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Rabbit Semiconductor 101-0505 Datasheet

1. Ethernet define MY_IP_ADDRESS 10 1 1 2 crossover cable define MY_NETMASK 255 255 255 248 Direct Connection PC to OP6800 38 MiniCom OP6800 5 2 3 Run the PINGME c Demo In order to run this program edit the IP address and netmask in the PINGME C program SAMPLES TCPIP ICMP to the values given above 10 1 1 2 and 255 255 255 248 Compile the program and start it running under Dynamic C The crossover cable is con nected from your computer s Ethernet adapter to the OP6800 s RJ 45 Ethernet connector When the program starts running the green LNK light on the OP6800 should be on to indi cate an Ethernet connection is made Note If the LNK light does not light you may not have a crossover cable or if you are using a hub perhaps the power is off on the hub The next step is to ping the board from your PC This can be done by bringing up the MS DOS window and running the ping program ping 10 1 1 2 or by Start gt Run and typing the command ping 10 1 1 2 Notice that the orange ACT light flashes on the OP6800 while the ping is taking place and indicates the transfer of data The ping routine will ping the board four times and write a summary message on the screen describing the operation 5 2 4 Running More Demo Programs With a Direct Connection The program SSI C SAMPLES OP6800 TCPIP demonstrates how to make the OP6800 a Web server This program allows you to turn the LED
2. 0 0 0 0 O keyConfig 1 U 0 0 0 0 O keyConfig 5 0 0 0 0 O keyConfig 0 L 0 0 0 0 O Characters are returned upon keypress with no repeat RETURN VALUE None SEE ALSO keyConfig keyGet keyProcess Writes 1 to each row and reads the value The position of a keypress is indicated by a zero value in a bit position PARAMETER pcKeys is the address of the value read RETURN VALUE None SEE ALSO keyConfig keyGet keypadDef keyProcess 94 MiniCom OP6800 APPENDIX E PROGRAMMING CABLE Appendix E provides additional information for the Rabbit 2000 microprocessor when using the DIAG and PROG connec tors on the programming cable The PROG connector is used only when the programming cable is attached to the program ming connector header J1 on the OP6800 module while a new application is being developed Otherwise the DIAG connector on the programming cable allows the programming cable to be used as an RS 232 to CMOS level converter for serial communi cation which is appropriate for monitoring or debugging a OP6800 system while it is running User s Manual 95 The programming port which is shown in Figure E 1 can serve as a convenient commu nications port for field setup or other occasional communication need for example as a diagnostic port If the port is simply to perform a setup function that is write setup infor mation to flash memory then the controller
3. ALPHANUM C Demonstrates how to create messages using the keypad and then dis playing them on the LCD display e COFTERMA C Demonstrates cofunctions the cofunction serial library and using a serial ANSI terminal such as Hyperterminal from an available COM port connection e DISPPONG C Demonstrates output to LCD display e DKADEMO1 C Demonstrates some of the LCD keypad module font and bitmap manipulation features with horizontal and vertical scrolling and using the GRAPHIC LIB library e FUN C Demonstrates drawing primitive features lines circles polygons using the GRAPHIC LIB library User s Manual 31 KEYBASIC C Demonstrates the following keypad functions in the STDIO display window default ASCII keypad return values custom ASCII keypad return values keypad repeat functionality KEYMENU C Demonstrates how to implement a menu system using a highlight bar on a graphic LCD display The menu options for this sample are as follows 1 Set Date Time 2 Display Date Time 3 Turn Backlight OFF 4 Turn Backlight ON 5 Toggle LEDs 6 Increment LEDs 7 Disable LEDs LED C Demonstrates how to toggle the LEDs on the LCD keypad module SCROLLING c Demonstrates scrolling features of the GRAPHIC LIB library TEXT C Demonstrates the text functions in the GRAPHIC LIB library Here is a list of what is demonstrated 1 Font initialization 2 Text window initialization 3 Text window
4. cable network Hub Direct Connection ow elements Network of 2 computers Direct Connection Using a Hub Figure 19 Ethernet Connections User s Manual 35 3 Apply Power Plug in the AC adapter The OP6800 is now ready to be used NOTE A hardware RESET is accomplished by unplugging the AC adapter then plug ging it back in or by momentarily grounding the board reset input at pin 9 on screw ter minal header J2 The green LNK light on the OP6800 Rabbitcore module is on when the OP6800 is prop erly connected either to an Ethernet hub or to an active Ethernet card The orange ACT light flashes each time a packet is received 36 MiniCom OP6800 5 2 TCP IP Sample Programs We have provided a number of sample programs demonstrating various uses of TCP IP for networking embedded systems These programs require that you connect your PC and the OP6800 together on the same network This network can be a local private network pre ferred for initial experimentation and debugging or a connection via the Internet 5 2 1 How to Set IP Addresses in the Sample Programs With the introduction of Dynamic C 7 30 we have taken steps to make it easier to run many of our sample programs You will see a TCPCONFIG macro This macro tells Dynamic C to select your configuration from a list of default configurations You will have three choices when you encounter a sample program with the TCPCONF
5. marked as read A log of all e mail actions is kept and can be displayed in the Web browser All current e mails can also be read with the Web browser When using MBOXDEMO C connect the OP6800 and a PC or other device with a Web Browser to an Ethernet If you connect the PC and the OP6800 directly be sure to use a crossover Ethernet cable straight through Ethernet cables and a hub may be used instead e TCP_RESPOND C This program and TCP_SEND C are executed on two separate sin gle board computers to demonstrate how the two boards communicate with each other Use PCSEND EXE on the PC console side at the command prompt if you do not have a second board PCSEND EXE is located with source code in the SAMPLES LCD_Keypad Windows directory TCP_RESPOND C waits for a message from another single board computer The mes sage received is displayed on the LCD and you may respond by pressing a key on the keypad The response is then sent to the remote single board computer e TCPSEND C This program and TCP_RESPOND C are executed on two separate single board computers to demonstrate how the two boards communicate with each other Use PCRESPOND EXE on the PC console side at the command prompt if you do not have a second board PCRESPOND EXE is located with source code in the SAMPLES LCD_Keypad Windows directory When a key on the keypad is pressed a message associated with that key is sent to a specified destination address a
6. E Misc I O L_Slave Port LL ClockDoubier __ Doubler Bacau eee eee ee oe Port B PEO PE1 PE7 PE4 PE5 A0 A3 IORD IOWR Figure A 5 OP6800 Rabbit Based Subsystems Table A 4 lists the Rabbit 2000 parallel ports and their use in the OP6800 Table A 4 Use of Rabbit 2000 Parallel Ports Port 1 0 Signal Output Function State PAO Input INOO Pulled up PAI Input INO1 Pulled up PA2 Input IN02 Pulled up PA3 Input IN03 Pulled up PA4 Input IN04 Pulled up PAS Input IN05 Pulled up PA6 Input IN06 Pulled up PA7 Input IN07 Pulled up PBO Input INO8 Pulled up PB1 Input Not Used Pulled up PB2 Input IN09 Pulled up PB3 Input IN10 Pulled up User s Manual 53 Table A 4 Use of Rabbit 2000 Parallel Ports continued Port 1 0 Signal Output Function State PB4 Input IN11 Pulled up PB5 Input Connected to PB7 Driven by PB7 PB6 Output Not Used Low PB7 Output Connected to PB5 Low PCO Output TXD RS 485 Inactive high Serial Port D PC1 Input RXD RS 485 Inactive high PC2 Output RTS TXC RS 232 Inactive high Serial Port C PC3 Input CTS RXC RS 232 Inactive high PC4 Output TPOUT Realtek reset Initialized by sock_init PCS Input TPOUT Realtek INTO Pulled up PC6 Output TXA Programming Port Inactive high Serial Port A PC
7. are two standards for numbering the pins on this connector the convention used here and numbering in reverse to that shown Regardless of the numbering convention followed the pin positions relative to the spring tab position located at the bottom of the RJ 45 jack in Figure 13 are always absolute and the RJ 45 connector will work properly with off the shelf Ethernet cables ETHERNET RJ 45 Plug Figure 13 RJ 45 Ethernet Port Pinout RJ 45 pinouts are sometimes numbered opposite to the way shown in Figure 13 Two LEDs are placed next to the RJ 45 Ethernet jack one to indicate an Ethernet link LNK and one to indicate Ethernet activity ACT The transformer connector assembly ground is connected to the BL2100 module printed circuit board digital ground via a 0 Q resistor jumper R29 as shown in Figure 14 RJ 45 Ethernet Plug T R2 v Board Chassis Ground Ground Figure 14 Isolation Resistor R29 The factory default is for the 0 Q resistor jumper at R29 to be installed In high noise environments remove R29 and ground the transformer connector assembly directly through the chassis ground This will be especially helpful to minimize ESD and or EMI problems 22 MiniCom OP6800 3 4 Memory 3 4 1 SRAM The OP6800 module is designed to accept 128K to 512K of SRAM packaged in an SOIC case The standard OP6800 modules come with 128K of SRAM 3 4 2 Flash Memory The
8. cesccsssceecscoucsdsadsaestetes ie cvadeeetetes festevedcadeativer tase EEEE EEREN i iia 32 4 4 Font and Bitmap Converter cccccccssessscssseecesceseeeesesesenceseeceecaeeeaeseaeeseseeecaeesaecaeceaecaesaeeaeseesenseaeeeaes 33 User s Manual Chapter 5 Using the TCP IP Features 35 5 1TEPAP Connections 23s ach isl ici enti ai aac Rise eh IS 35 5 2 TEP IP Sample Programs sensia a e hatenns dates E E E eee tai wee eee ee 37 5 2 1 How to Set IP Addresses in the Sample Programs ccccccscccsecssesecsecesceseeeeenseeeeeeeceneeeseeneeaes 37 5 2 2 How to Set Up your Computer s IP Address for a Direct Connection cceeeceeceeeneeneeeeenes 38 5 23 Rum thesPINGME Demo prenei penecar aise EE tees eee usa E GE aves 39 5 2 4 Running More Demo Programs With a Direct Connection 0 0 0 ccecceceeseeeeeceeceeeseeeeseeeeeeeeaeeee 39 5 2 5 LCD Keypad Sample Programs Showing TCP IP Features cccccsccssssseceseeseceeeeteeseenseeereees 40 5 3 Where Do GovFrom Here sis ictce E E sacs cis gad odedse cdedyctsdh sanguchanade ETE 41 Chapter 6 Installation and Mounting Guidelines 43 6 1 Installation Guidelines griteria ianari teste iio ge ees patted Saeed Dees 43 6 2 gt Mounting Ins tructions scsiscscetescatve ccdacesvigelectuas r a toesestess abba ae health toes aes 44 6 2 1 Bezel Mouiit Installation i 8 03 cete tte esters vod ease nce Lionas ih 44 Appendix A Specifications 47 A l Electrical an
9. components necessary to demonstrate the operation of the OP6800 Four LEDs DS1 DS4 are connected to OUTO7 OUT10 and four switches S1 S4 are connected to IN00 IN03 to demonstrate the interface to the OP6800 The Demonstration Board has a buzzer that is normally off The buzzer can be enabled to be on by setting the jumper across pins 1 2 on header JP1 on the Demonstration Board as shown in Figure C 4 When enabled on the buzzer will sound whenever the OUTO digital output on the OP6800 is on Factory Default og oe oj fo olie oj S3 S4 IO S2 oJ o S1 oO RP1 O DS4 DS3 DS2 DS1 VCSVKVCGVCDGVEVSEVs ND RAW De BxB Ix Bx SaaS fro OUTOS OUTOS OUT04 OUTOS Figure C 4 Demonstration Board Header JP1 Buzzer On Off User s Manual 65 The Demonstration Board provides the user with OP6800 connection points brought out conveniently to labeled points at headers J4 J5 J6 and J8 on the Demonstration Board Small to medium circuits can be prototyped using point to point wiring with 20 to 30 AWG wire on the prototyping area The holes are spaced at 0 1 2 5 mm The pinouts for headers J4 J5 J6 and J8 are shown in Figure C 5 Sa zsa sq psa SOOO eo cs CD N N A a oN QCSVOVCAGCSVSEVS oN Oa F OUN CSVVVDYGAG IOS OSOA SSY Ger CSVGVKDVO Figure C 5 OP680
10. d riaal P ok Mounting P E z Mounting tabs tabs Figure 16 Removing LCD Keypad Module from Plastic Bezel To replace the keypad legend remove the old legend and insert your new legend prepared according to the template in Figure 15 The keypad legend is located under the blue keypad matte and is accessible from either the left side or the right side as shown in Figure 17 A small screwdriver or a similar small pointed objectcan be used to nudge the keypad legend in or out 24 MiniCom OP6800 Keypad label is located under the blue keypad matte O eaeooO O Figure 17 Removing and Inserting Keypad Label Once you have replaced the keypad label re insert the LCD keypad module circuit board under the mounting tabs in the plastic bezel as shown in Figure 16 Secure the LCD key pad module circuit board with the two screws User s Manual 25 26 MiniCom OP6800 4 SOFTWARE Dynamic C is an integrated development system for writing embedded software It runs on an IBM compatible PC and is designed for use with Z World single board computers and other devices based on the Rabbit microprocessor Chapter 4 provides the libraries function calls and sample pro grams related to the OP6800 You have a choice of doing your softw
11. glPlotPolygon glPlotCircle Blanks the LCD display screen sets LCD display screen to white RETURN VALUE None SEE ALSO glFillScreen glBlock glPlotPolygon glPlotCircle Draws a rectangular block in the page buffer and on the LCD if the buffer is unlocked Any portion of the block that is outside the LCD display area will be clipped PARAMETERS x is the x coordinate of the top left corner of the block y is the y coordinate of the top left corner of the block bmWidth is the width of the block bmWidth is the height of the block RETURN VALUE None SEE ALSO glFillScreen glBlankScreen glPlotPolygon glPlotCircle 76 MiniCom OP6800 Plots the outline of a polygon in the LCD page buffer and on the LCD if the buffer is unlocked Any portion of the polygon that is outside the LCD display area will be clipped If fewer than 3 vertices are specified the function will return without doing anything PARAMETERS n is the number of vertices pFirstCoord is a pointer to array of vertex coordinates x1 y1 x2 y2 x3 y3 RETURN VALUE None SEE ALSO glPlotPolygon glFillPolygon glFillVPolygon Plots the outline of a polygon in the LCD page buffer and on the LCD if the buffer is unlocked Any portion of the polygon that is outside the LCD display area will be clipped If fewer than 3 vertices are specified the function will return without doing anything PARAMETERS n is the number of vertices y1 is th
12. is its higher cost LINEAR POWER SUPPLY Vcc J5 7805 J2 RAW if u if zz f C2 O 1 L C1 2 a T 10 pF ee ete Figure C 3 Demonstration Board Power Supply Capacitor C1 provides surge current protection for the voltage regulator and allows the external power supply to be located some distance away Be careful to limit the current draw in any prototype circuits you build on the prototyping area of the Demonstration Board to avoid operating the linear regulator outside its recom mended limits The LEDs and buzzer together can draw up to 70 mA which still leaves some current capacity for your own circuits see Table C 1 if you plan to use them with the LEDs and the buzzer If you need additional current from the linear regulator beyond that specified in Table C 1 consider adding a heat sink to the linear regulator remember to use silicone grease between the tab and the heat sink or use a lower voltage power supply 64 MiniCom OP6800 C 3 Using the Demonstration Board The Demonstration Board is actually both a demonstration board and a prototyping board As a demonstration board it can be used to demonstrate the functionality of the OP6800 right out of the box without any modifications to either board There are no jumpers or dip switches to configure or misconfigure on the Demonstration Board so that the initial setup is very straightforward The Demonstration Board comes with the basic
13. pixels The window must be byte aligned Parameters will be verified for the following 1 The left and cols parameters will be verified that they are evenly divisible by 8 If not they will be truncated to a value that is a multiple of 8 2 Parameters will be checked to verify that the scrolling area is valid The minimum scrolling area is a width of 8 pixels and a height of one row PARAMETERS left is the top left corner of bitmap must be evenly divisible by 8 top is the top left corner of the bitmap cols is the number of columns in the window must be evenly divisible by 8 rows is the number of rows in the window nPix is the number of pixels to scroll within the defined window a negative value will produce a scroll to the left RETURN VALUE None SEE ALSO glvScroll User s Manual 87 Scrolls up or down within the defined window by x number of pixels The opposite edge of the scrolled window will be filled in with white pixels The window must be byte aligned Parameters will be verified for the following 1 The left and cols parameters will be verified that they are evenly divisible by 8 If not they will be truncated to a value that is a multiple of 8 2 Parameters will be checked to verify that the scrolling area is valid The minimum scrolling area is a width of 8 pixels and a height of one row PARAMETERS left is the top left corner of bitmap must be evenly divisible by 8 top is the top left corner of
14. string are formatted string conversion parameter s EXAMPLE glprintf 0 0 amp 112x16 Test d n count RETURN VALUE None SEE ALSO glXFontInit 82 MiniCom OP6800 Increments LCD screen locking counter Graphic calls are recorded in the LCD memory buffer and are not transferred to the LCD if the counter is non zero NOTE glBuffLock and g1Buff Unlock can be nested up to a level of 255 but be sure to balance the calls It is not a requirement to use these procedures but a set of gl1BuffLock and g1Buff Unlock bracketing a set of related graphic calls speeds up the rendering significantly RETURN VALUE None SEE ALSO glBuffUnlock glSwap Decrements the LCD screen locking counter The contents of the LCD buffer are transferred to the LCD if the counter goes to zero RETURN VALUE None SEE ALSO glBuffLock glSwap Checks the LCD screen locking counter The contents of the LCD buffer are transferred to the LCD if the counter is zero RETURN VALUE None SEE ALSO glBuffUnlock glBuffLock _glSwapData located in the library specifically for the LCD that you are using User s Manual 83 Sets the drawing method or color of pixels drawn by subsequent graphic calls PARAMETER type value can be one of the following macros PIXBLACK draws black pixels turns pixel on PIXWHITE draws white pixels turns pixel off PIXXOR draws old pixel XOR ed with the new pixel RETURN VALUE
15. the programming cable does not have to be connected for this demonstration This demonstration will be replaced by a new program when the programming cable is attached and the new program is compiled and run The demonstration is available for future reference in the Dynamic C SAMPLES LCD_KEYPAD 122x32_1x7 directory as FUN C 2 3 Display Contrast Adjustment The LCD contrast is preset at the factory If you need to adjust the contrast for optimum display of graphics and messages you may adjust the potentiometer at R4 located as shown in Figure 5 Note that OP6800 units sold before 2004 did not have any provision to adjust the contrast Contrast Adjustment Figure 5 LCD Contrast Adjustment 10 MiniCom OP6800 2 4 Programming Cable Connections 1 Connect the programming cable to download programs from your PC and to program and debug the OP6800 Connect the 10 pin PROG connector of the programming cable to header J1 on the OP6800 RabbitCore module Ensure that the colored edge lines up with pin 1 as shown Do not use the DIAG connector which is used for monitoring only as explained in Appendix E Programming Cable Connect the other end of the programming cable to a COM port on your PC Make a note of the port to which you connect the cable as Dynamic C w
16. to test your programming connections by running a sample program Find the file PONG C which is in the Dynamic C SAMPLES folder To run the program open it with the File menu if it is not still open compile it using the Compile menu and then run it by selecting Run in the Run menu The STDIO window will open and will dis play a small square bouncing around in a box This program shows that the CPU is working The sample program described in Section 5 2 3 Run the PINGME C Demo tests the TCP IP portion of the board if you have the OP6800 model the OP6810 does not have an Ethernet capability 2 8 Where Do I Go From Here NOTE If you purchased your OP6800 through a distributor or Z World partner contact the distributor or Z World partner first for technical support If there are any problems at this point e Check the Z World Technical Bulletin Board at www zworld com support bb e Use the Technical Support e mail form at www zworld com support support_submit html If the sample program ran fine you are now ready to go on to explore other OP6800 fea tures and develop your own applications The following sample programs illustrate the features and operation of the OP6800 OP6800 Demonstration Board SAMPLES LCD_KEYPAD 122x32_1x7 SAMPLES OP 6800 DEMO_BD KEYBASIC C KEYPAD C KEYMENU C SWITCHES C SCROLLING C TEXT C These sample programs can be used as templates for applications you may wish
17. two functions Sets pin 3 DE high to enable the RS 485 transmitter Remember to call serMode before calling ser485Tx SEE ALSO serMode ser485Rx 72 MiniCom OP6800 Resets pin 3 DE low to disable the RS 485 transmitter Remember to call serMode before calling ser485Rx SEE ALSO serMode ser485Tx serCflowcontrolOn serCflowcontrolOff User s Manual 73 D 4 LEDs OP68xx LIB When power is applied to the OP6800 for the first time the red LED DS1 will come on indicating that power is being applied to the OP6800 The red LED is turned off when the brdInit function executes The LEDs are in series with the open ouput collector that drives digital outputs OUTO0 OUTO06 and so the same function call that turns on one of these digital outputs will also turn on the corresponding LED LED on off control A runtime error will occur ifbrdInit was not executed before executing LedOut or when led or value is out of range NOTE The LEDs and digital outputs OUTO0O OUT06 are driven by the same driver chip Do not use both ledOut and digOut to control the same LED or digital output in a given application PARAMETERS led is the LED to control 0 LED DS1 1 LED DS2 2 LED DS3 3 LED DS4 4 LED DS5 5 LED DS6 6 LED DS7 value is the value used to control whether the LED is on or off 0 or 1 0 off 1 on RETURN VALUE None SEE ALSO brdInit digOut 74 MiniCom OP6800 D 5 LCD Display The fu
18. 0 C Prototyping Area 1 7 x 2 1 43 mm x 53 mm through hole 0 1 spacing Standoffs Spacers 4 accept 4 40 x 11 8 screws 62 MiniCom OP6800 C 2 Power Supply The OP6800 requires an unregulated RAW power input of 9 V to 36 V DC which can be supplied from the Demonstration Board through the ribbon cable connection The OP6800 has its own switching voltage regulator Figure C 2 shows the distribution of the RAW input power to the OP6800 through the Demonstration Board The reference grounds on the OP6800 GND and on the Demon stration Board 0 V are tied together at one connection point only to avoid creating a ground loop which could lead to considerable electromagnetic interference Demonstration Board Linear Regulator OP6800 Switching Regulator Figure C 2 Power Distribution to OP6800 and Demonstration Board User s Manual 63 The Demonstration Board has an onboard LM7805 linear regulator for the circuits on the Demonstration Board only Its major drawback is its inefficiency which is directly propor tional to the voltage drop across it The voltage drop creates heat and wastes power You may wish to use a switching power supply in your applications where better effi ciency is desirable The LM2575 is an example of an easy to use switching voltage regu lator This part greatly reduces the heat dissipation of the regulator The drawback in using a switching voltage regulator
19. 0 Demonstration Board Pinout 66 MiniCom OP6800 The Demonstration Board can then be rotated and mounted behind the OP6800 as shown in Figure C 6 to allow the Demonstration Board and the OP6800 to be used together ISSCOGKDO HOSS NOCD SSSSG6 S e Da 0 e o sOSCNSOSA OCKSDSSGE9Gg Figure C 6 Mounting Demonstration Board on OP6800 NOTE Remove the standoffs behind the OP6800 before attempting to mount the Dem onstration Board The OP6800 may also be panel mounted with the Demonstration Board attached Follow the instructions in Chapter 6 Installation and Mounting Guidelines Use 4 40 screws that are 1 3 16 plus the thickness of the panel in length Note that the Demonstration Board and the OP6800 end up on opposite sides of the panel as shown in Figure C 7 OP6800 Bezel Gasket Demonstration Board ecoco000000000000000 0000000000000000000m Oo oo o of E oom 5 80 80 0 90 O o 02 oO o o o Ooo o oO 08 2 O o oO Panel T 38 o Leo o 80 0 o0 F E a o 08 68 o9 20 o 8 o 8 o o o oS 3 0 j oF So b mo0o00000 J Ko Figure C 7 OP6800 with Demonstration Board Mounted in Panel rear view User s Manual 67 68 MiniCom OP6800 APPENDIX D OP6800 FUNCTION APIs Appendix D provides the function calls related to the operation of t
20. 31 glFontCharAddr 80 R SLAVE C isas 31 glGetBrushType 84 Rabbit 2000 TEP IP iaaa 32 37 glGetPfStep oe 81 parallel ports innnan 53 PINGME C 1 essences 39 glHScroll TEE A 87 remote keypad operation 17 SSi Cinnan eae 39 EUNT coena 75 PAN Ty nn noe het 9 TELNET C baeet 39 fal d E 85 S AGA RE cece teterac cect yo 9 serial communication 19 glPlotCircle eee 79 reset generator u 59 programming port 21 glPlotDot wo 84 RS232 ooo ooo 19 RS 232 description 19 glPlotLine we 85 RS485 ooo 19 RS 485 description 19 glPlotPolygon 77 RS eS etwi L tee 20 RS 485 network 20 glPlotVPolygon 77 eivination and bidstesis RS 485 termination and bias SIPrinth aiiin 82 7 er ede 20 FESISLOTS csi nde At 20 glPutChar oossoo 82 Bil MOE a 28 serial ports glPutFont wo 81 Ethernet port ceeee 22 gIRight oe 85 S Setup ooseseeseseesessesesseseseesesrereseesee 7 glSetBrushType 84 power supply connections 9 glSetContrast 76 sample programs 30 programming cable connec glSetPfStep enaena 81 BOARD_ID C woes 30 CONS 335 en ae es 11 BIS Wap enni 83 Demonstration Board 13 remove RabbitCore module 11 ep ra Renee aoe 86 BUZZER C seee 30 SOWAT ana 3 glVScroll wee 88 KEYPAD C ossis 30 board initialization 70 glXFontlnit 0 0 0 0 33 80 SWITCHES C 30 brdlnit seca hecn
21. 7 Input RXA Programming Port Pulled up PDO Input Realtek CLK OP6800 Initialized by sock_init Output Not used OP6810 Low PDI Input Realtek SDO OP6800 Initialized by sock_init Output Not used OP6810 Low PD2 Output Not used Low PD3 Output OUT07 Low output driver off PD4 Output ATXB RS 232 Inactive high Serial Port B PD5 Input ARXB RS 232 Inactive high PD6 Output Not used Low PD7 Output Not used Low PEO Output RS 485 control register Low Tx disabled PEl Output OUT08 Low output driver off PE N A Realtek IORB strobe OP6800 Initialized by sock_init Output Not used OP6810 Low PE3 N A Realtek SDI line OP6800 Initialized by sock_init Output Not used OP6810 Low PE4 Input OUT09 Low output driver off PES Input OUT10 Low output driver off PE6 N A Realtek IOWB strobe OP6800 Initialized by sock_init Output Not used OP6810 Low PE7 Output LCD_KEYPAD strobe Inactive high 54 MiniCom OP6800 Table A 5 Display and Keypad Output Addresses A 5 I O Address Assignments Table A 5 lists the external I O addresses for the display and keypad I O Paasio Name Function E000 E007 LCD LCD control E008 EN Output enable for LEDs E00A KPEN Read keypad and IN12 E00B LED LED0 LED6 and LCD backlight PE7 serves as a system enable control and LCD keypad strobe When PE7 is high or in a high impedance status all OP6800 outputs are disabled digital outputs and display out puts are disabl
22. ESD e EN61000 4 3 Radiated Immunity e EN61000 4 4 EFT e EN61000 4 6 Conducted Immunity Additional shielding or filtering may be required for a heavy industrial environment Emissions The OP6800 operator interfaces meet the following emission standards emission stan dards with the Rabbit 2000 spectrum spreader turned on and set to the normal mode The spectrum spreader is only available with Rev C or higher of the Rabbit 2000 microproces sor This microprocessor is used on the OP6800 operator control panels that carry the CE mark e EN55022 1998 Class B e FCC Part 15 Class B Your results may vary depending on your application so additional shielding or filtering may be needed to maintain the Class B emission qualification 4 MiniCom OP6800 1 4 1 Design Guidelines Note the following requirements for incorporating the OP6800 operator interfaces into your application to comply with CE requirements General The power supply provided with the Tool Kit is for development purposes only It is the customer s responsibility to provide a CE compliant power supply for the end product application When connecting the OP6800 to outdoor cables the customer is responsible for provid ing CE approved surge lightning protection Z World recommends placing digital I O or analog cables that are 3 m or longer in a metal conduit to assist in maintaining CE compliance and to conform to good cable design practices Z World also r
23. IG macro 1 You can replace the TCPCONFIG macro with individual MY_IP_ADDRESS MY_NETMASK MY_GATEWAY and MY_NAMESERVER macros in each program 2 You can leave TCPCONF1IG at the usual default of 1 which will set the IP configurations to 10 10 6 100 the netmask to 255 255 255 0 and the nameserver and gateway to 10 10 6 1 If you would like to change the default values for example to use an IP address of 10 1 1 2 for the Coyote board and 10 1 1 1 for your PC you can edit the values in the section that directly follows the General Configuration comment in the TCP_CONFIG LIB library You will find this library in the LIB TCPIP directory 3 You can create a CUSTOM_CONFIG LIB library and use a TCPCONFIG value greater than 100 Instructions for doing this are at the beginning of the TCP_CONFIG LIB library in the LIB TCPIP directory There are some other standard configurations for TCPCONFIG that let you select differ ent features such as DHCP Their values are documented at the top of the TCP_CONF IG LIB library in the LIB TCPIP directory More information is available in the Dynamic C TCP IP User s Manual IP Addresses Before Dynamic C 7 30 Most of the sample programs use macros to define the IP address assigned to the board and the IP address of the gateway if there is a gateway define MY_IP_ADDRESS 216 112 116 155 define MY_NETMASK 255 255 255 248 define MY_GATEWAY 216 112 116 153 In order to do a dire
24. LUE The x step is returned in the MSB and the y step is returned in the LSB of the integer result SEE ALSO Use g1GetP Step to control the x and y printing step direction User s Manual 81 Provides an interface between the STDIO string handling functions and the graphic library The STDIO string formatting function will call this function one character at a time until the entire formatted string has been parsed Any portion of the bitmap character that is outside the LCD display area will be clipped PARAMETERS ch is the character to be displayed on the LCD ptr is not used but is a place holder for STDIO string functions cnt is not used is a place holder for STDIO string functions pInst is a font descriptor pointer RETURN VALUE None SEE ALSO glPrintf glPutFont doprnt Prints a formatted string much like print f on the LCD screen Only the character codes that exist in the font set are printed all others are skipped For example b t n and r ASCII backspace tab new line and carriage return respectively will be printed if they exist in the font set but will not have any effect as control characters Any portion of the bitmap character that is outside the LCD display area will be clipped PARAMETERS x is the x coordinate column of the top left corner of the text y is the y coordinate row of the top left corner of the text pInfo is a font descriptor pointer fmt is a formatted
25. None SEE ALSO glGetBrushType Gets the current method or color of pixels drawn by subsequent graphic calls RETURN VALUE The current brush type SEE ALSO glSetBrushType Draws a single pixel in the LCD buffer and on the LCD if the buffer is unlocked If the coordinates are outside the LCD display area the dot will not be plotted PARAMETERS x is the X coordinate of the dot y is the y coordinate of the dot RETURN VALUE None SEE ALSO glPlotline glPlotPolygon glPlotCircle 84 MiniCom OP6800 Draws a line in the LCD buffer and on the LCD if the buffer is unlocked Any portion of the line that is beyond the LCD display area will be clipped PARAMETERS x0 is the x coordinate of one endpoint of the line y0 is the y coordinate of one endpoint of the line x1 is the x coordinate of the other endpoint of the line y1 is the y coordinate of the other endpoint of the line RETURN VALUE None SEE ALSO glPlotDot glPlotPolygon glPlotCircle Scrolls byte aligned window left one pixel right column is filled by current pixel type color PARAMETERS left is the top left corner of bitmap must be evenly divisible by 8 otherwise truncates top is the top left corner of the bitmap cols is the number of columns in the window must be evenly divisible by 8 otherwise truncates rows is the number of rows in the window RETURN VALUE None SEE ALSO glHScroll glRight1 Scrolls byte aligned window right one
26. OP6800 is also designed to accept 128K to 512K of flash memory The standard OP6800 modules comes with one 256K flash memory NOTE Z World recommends that any customer applications should not be constrained by the sector size of the flash memory since it may be necessary to change the sector size in the future A Flash Memory Bank Select jumper configuration option based on 0 Q surface mounted resistors exists at header JP2 on the RabbitCore module This option used in conjunction with some configuration macros allows Dynamic C to compile two different co resident programs for the upper and lower halves of the 256K flash in such a way that both pro grams start at logical address 0000 This is useful for applications that require a resident download manager and a separate downloaded program See Technical Note TN218 Implementing a Serial Download Manager for a 256K Flash for details User s Manual 23 3 5 Keypad Labeling The keypad may be labeled according to your needs A template is provided in Figure 15 to allow you to design your own keypad label insert lt 2 35 gt 60 Figure 15 Keypad Template Before you can replace the keypad legend you will have to remove the LCD keypad mod ule from the plastic bezel The LCD keypad module circuit board is held down with two screws and two tabs as shown in Figure 16 Mounting i Mounting screws a ae 5 screws m Ws al oo is a 7 oo ol B suz cal 5
27. TIP Save the jumpers for possible future use by parking them across pins 1 3 and 4 6 of header JP1 Pins 3 and 4 are not otherwise connected to the OP6800 20 MiniCom OP6800 3 3 3 Programming Port The RabbitCore module on the OP6800 has a 10 pin programming header The program ming port uses the Rabbit 2000 s Serial Port A for communication and is used for the fol lowing operations e Programming debugging e Cloning e Remote program download debug over an Ethernet connection via the RabbitLink EG2100 The programming port is used to start the OP6800 in a mode where the OP6800 will download a program from the port and then execute the program The programming port transmits information to and from a PC while a program is being debugged The Rabbit 2000 startup mode pins SMODE0 SMODE 1 are presented to the program ming port so that an externally connected device can force the OP6800 to start up in an external bootstrap mode The OP6800 can be reset from the programming port via the EXT_RSTIN line The Rabbit 2000 status pin is also presented to the programming port The status pin is an output that can be used to send a general digital signal NOTE Refer to the Rabbit 2000 Microprocessor User s Manual for more information related to the bootstrap mode User s Manual 21 3 3 4 Ethernet Port OP6800 models only Figure 13 shows the pinout for the Ethernet port J2 on the OP6800 module Note that there
28. When the OP6800 is powered normally and Vcc is within operating limits the SRAM and the real time clock are powered from Vcc If power to the board is lost or falls below 4 63 V the VRAM and real time clock power must come from a backup battery in your system which you would connect to pin 40 of header J1 on the OP6800 via the ribbon cable The backup battery should be able to supply 2 85 V 3 15 Vat 10 WA The reset generator circuit controls the source of power by way of its RESET output signal B 2 1 Battery Backup Circuit Figure B 1 shows the battery backup circuit located on the OP6800 module External Battery D3 l VBAT Q gt J1 40 R37 22 kQ Figure B 1 OP6800 Backup Battery Circuit The battery backup circuit serves three purposes e It reduces the battery voltage to the SRAM and to the real time clock thereby limiting the current consumed by the real time clock and lengthening the battery life e It ensures that current can flow only out of the battery to prevent charging the battery e A voltage VOSC is supplied to U6 which keeps the 32 768 kHz oscillator working when the voltage begins to drop VRAM and Vcc are nearly equal lt 100 mV typically 10 mV when power is supplied to the OP6800 58 MiniCom OP6800 B 2 2 Power to VRAM Switch The VRAM switch on the OP6800 module shown in Figure B 1 allows the battery backup to provide power when the external power goes off The s
29. Z WWORLD MiniCom OP6800 C Programmable Operator Interface User s Manual 019 0106 040115 C MiniCom OP6800 User s Manual Part Number 019 0106 040115 C Printed in U S A 2002 2004 Z World Inc All rights reserved Z World reserves the right to make changes and improvements to its products without providing notice Trademarks Rabbit and Rabbit 2000 are registered trademarks of Rabbit Semiconductor RabbitCore is a trademark of Rabbit Semiconductor Dynamic C is a registered trademark of Z World Inc Z World Inc 2900 Spafford Street Davis California 95616 6800 USA Telephone 530 757 3737 Fax 530 757 3792 www zworld com MiniCom OP6800 TABLE OF CONTENTS Chapter 1 Introduction 1 Tel DeschptiO tin ici Sioviiict ean siiensieesrem een EEEE KEE EEEE EEE ENERE cae neem 1 K hor A esc ender operate re areca tear peer erent A rere tee cye tie tree E E E etter eet cnet eerie tne 1 1 3 Development and Evaluation Tools eceseccssceessesssecseeseeseeseceeeeceaesaeeessecnecaesaeeeesaecateeesacaeeaeareetenes 2 Fe Med goto Il Sri neeyraeeeeneree merece rer E E etnnrr Crit ste never ere E rtecsetvere ter ttre rere 2 L3 2 S ON W ANS rerna r E oocegterienenucuseectuvecouncxaex ave E EET 3 TA CE Compliance 452 05 eree eene aaen TEA EEEa AERE ER ANa RAEE Era EAE S EEEE 4 1 4 1 D sign Guidelines sssrinin nane EEEa E EE EKEN E EEEO SEAE E ER Ari EE PEES 5 1 4 2 Interfacing the OP6800 to Oth
30. a T 65 battery backup P 58 installation ccssssecee 12 JP1 RS 485 bias and termina as ae anni n i Connections 00 0 eeeeeeeeeees 9 starting ceresc 12 tion resistors 20 52 distributi jumper locations 52 Power istribution 63 telephone based technical switching voltage regulator 57 SUPPOTt oe eee cece 3 K VRAM switch cescoscecccsescec 59 power up keypad template oe 24 demonstration program 10 removing and inserting la Program Mode onses 28 Deletes eee 25 User s Manual 99 programming LCD keypad module with LCD display flash vs RAM eee 27 TCP IP glBackLight 0 0 0 0 75 programming cable 2 MBOXDEMO _C 40 glBlankScreen 76 programming port s s s 21 TCP_RESPOND C 40 BIBLOCK wees 76 programming cable 2 TCPSEND C eee eee 40 glBuffLock we 83 CONNECTIONS 0 0 eeeeeeeeees 11 OP6800 features 0 13 glBuffUnlock 83 DIAG connector 05 96 PONG G cainnean 13 glDispOnOff 0 75 switching between Program power up demonstration pro glDown oo eee 86 Mode and Run Mode 28 BTA hitches dee 10 glFillCircle oe 79 programming port sesse 21 serial communication glFillPolygon oe 78 pouta neseniai 96 MASTER C uo ceeeeeeeees 31 glFillScreen oe 76 used as diagnostic port 96 PUTS e ii ieee het 31 glFillVPolygon 78 RELAYCHR C 4
31. able to all devices based on the Rabbit 2000 microprocessor are described in the Dynamic C User s Manual User s Manual 29 4 3 Sample Programs Sample programs are provided in the Dynamic C Samples folder The sample program PONG C demonstrates the output to the STDIO window The various directories in the Samples folder contain specific sample programs that illus trate the use of the corresponding Dynamic C libraries The 0P6800 folder provides sample programs specific to the OP6800 Each sample pro gram has comments that describe the purpose and function of the program Follow the instructions at the beginning of the sample program To run a sample program open it with the File menu if it is not still open compile it using the Compile menu and then run it by selecting Run in the Run menu The OP6800 must be in Program mode see Section 4 1 Programming Cable and must be con nected to a PC using the programming cable as described in Section 2 1 Connections More complete information on Dynamic C is provided in the Dynamic C User s Manual TCP IP specific functions are described in the Dynamic C TCP IP User s Manual Infor mation on using the TCP IP features and sample programs is provided in Section 5 Using the TCP IP Features 4 3 1 Board ID The following sample program can be found in the SAMPLES OP6800 subdirectory BOARD_ID C Detects the type of single board computer and displays the inf
32. amming port Serial Rate Max burst rate CLK 32 Max sustained rate CLK 64 Connectors ee ane one 2 x 20 0 1 pitch IDC header one 2 x 20 0 1 pitch IDC header Real Time Clock Yes Five 8 bit timers one 10 bit timer with two match registers five iets timers are cascadable Watchdog Supervisor Yes Power 9 V to 36 V DC 1 5 W max Operating Range 0 C to 50 C Temperaire Storage Range 40 C to 85 C Humidity 5 to 95 noncondensing 2 60 x 3 00 x 1 10 Board aig 66 mm x 76 mm x 28 mm Bezel Siz 4 50 x 3 60 x 0 23 oe S 114 mm x 91 mm x 6 mm 50 MiniCom OP6800 A 2 Conformal Coating The areas around the crystal oscillator and the battery backup circuit on the OP6800 mod ule have had the Dow Corning silicone based 1 2620 conformal coating applied The con formally coated areas are shown in Figure A 3 The conformal coating protects these high impedance circuits from the effects of moisture and contaminants over time Conformally Lae coated area Figure A 3 OP6800 Areas Receiving Conformal Coating Any components in the conformally coated area may be replaced using standard soldering procedures for surface mounted components A new co
33. an SSCCGDG GHGS GV VG ANONS SS on r Bii sie j __ s ir pos Q Sook Si RO a Hom en c2 id cs o 33 m LLSSSOGOQ L P Figure 4 Power Supply Connections NOTE The OP6800 itself has reverse polarity protection but the Demonstration Board does not Be careful to connect the positive and negative leads as shown to avoid damag ing the Demonstration Board NOTE Ifyou are using your own power supply Z World recommends using a 9 V to 25 V DC power supply The linear regulator on the Demonstration Board can handle up to 35 V but can get extremely hot 4 Apply power Plug in the AC adapter NOTE A hardware RESET is done by unplugging the AC adapter then plugging it back in User s Manual 9 2 2 Demonstration Program on Power Up A repeating sequence of graphics and messages in various languages will be displayed on the LCD and the LEDs will flash on and off in sequence when power is first applied to the OP6800 Try pressing the buttons on the keypad The LED immediately above that button will light up and if you pressed one of the keys in the top row of the keypad the corre sponding LED on the Demonstration Board will light up Similarly if you press one of the switches on the Demonstration Board the corresponding LED on the Demonstration Board and on the OP6800 will light up Note that
34. ansistors Q3 and Q4 are of opposite polarity so that a rail to rail voltage can be passed When the CS1 voltage is low Q3 will conduct When the CS1 voltage is high Q4 con ducts It takes time for the transistors to turn on creating a propagation delay This propa gation delay is typically very small about 10 ns to 15 ns 60 MiniCom OP6800 APPENDIX C DEMONSTRATION BOARD Appendix C describes the features and accessories of the Dem onstration Board and explains the use of the Demonstration Board to demonstrate the OP6800 and to build prototypes of your own circuits User s Manual 61 C 1 Mechanical Dimensions and Layout Figure C 1 shows the mechanical dimensions and layout for the OP6800 Demonstration Board o ISS VV OV AOSV SSY Sper oO Oyo O O oj S4 O oj oj jo S2 St OF FO 3 RP1 f0 o oy ja a N D la 130 2 A a Figure C 1 OP6800 Demonstration Board Dimensions Table C 1 lists the electrical mechanical and environmental specifications for the Dem onstration Board Table C 1 Demonstration Board Specifications Parameter Specification Board Size 3 40 x 4 20 x 1 19 87 mm x 107 mm x 30 mm Operating Temperature 40 C to 70 C Humidity 5 to 95 noncondensing Input Voltage 7 5 V to 25 V DC Maximum Current Draw including user added circuits 140 mA at 12 V and 25 C 100 mA at 12 V and 7
35. ard Initialization OP68XX LIB cccccccessessesseceeceseeeceseeseceseeseceseeseeeaceseeeaeeseeeaecaeeeaeceeeaeeseeeeeees 70 D 2 Digital I O OP68XX LIB J ieaiai ananin ae a R i iaaa aaa iaaa aoina 71 D 3 Serial Communication OP 68x LIB oeron onio e E KEE E E E OR 72 Didi LEDS OP 68x LIB enn EE i E A bones sours EE AE ERE RA 74 DS LCD Display ernro ee a EE E Bhs ded Bove a AGRO AA heen aa BO 75 DER Rey pad 2 32 sc teens esc A tee iat sedis tes del E cctcadie ose E divoaas tdgubage ne sesen te 92 Appendix E Programming Cable 95 Notice to Users 97 Index 99 Schematics 103 MiniCom OP6800 1 INTRODUCTION The OP6800 intelligent terminal interface is a small high performance C programmable terminal interface that offers built in I O and Ethernet connectivity A Rabbit 2000 micropro cessor operating at 22 1 MHz provides fast data processing 1 1 Description The OP6800 intelligent terminal interface incorporates the powerful Rabbit 2000 micro processor flash memory static RAM digital I O ports RS 232 RS 485 serial ports and a 10Base T Ethernet port 1 2 Features 122 x 32 graphic display 7 key keypad 7 LEDs 24 digital I O 13 filtered digital inputs and 11 sinking high current outputs 7 outputs with LED indicators and 4 high current digital outputs with transient protection to drive inductive loads Rabbit 2000 microprocessor operating at 22 1 MHz 128K static RAM and 256K flash memory standard ma
36. are development in the flash memory or in the static RAM included on the OP6800 The advantage of working in RAM is to save wear on the flash memory which is limited to about 100 000 write cycles NOTE An application can be developed in RAM but cannot run standalone from RAM after the programming cable is disconnected All standalone applications can only run from flash memory The disadvantage of using flash memory for debug is that interrupts must be disabled for approximately 5 ms whenever a break point is set in the program This can crash fast inter rupt routines that are running while you stop at a break point or single step the program Flash memory or RAM is selected on the Options gt Compiler menu Dynamic C provides a number of debugging features You can single step your program either in C statement by statement or in assembly language instruction by instruction You can set break points where the program will stop on any statement You can evaluate watch expressions A watch expression is any C expression that can be evaluated in the context of the program If the program is at a break point a watch expression can view any expression using local or external variables User s Manual 27 4 1 Programming Cable The programming cable has a level converter board in the middle of the cable since the OP6800 programming port supports CMOS logic levels and not the higher voltage RS 232 levels that are used by PC serial port
37. can be reset through the programming port and a cold boot performed to start execution of a special program dedicated to this func tionality PROGRAMMING PORT PIN ASSIGNMENTS Rabbit PQFP pins are shown in parenthesis mies STATUS output 38 soko SMODEO 36 GND 50 kQ SMODE1 35 GND Programming Port Pin Numbers 50 kQ m TERANO E E 30 4 2 GND ET ie ok a a ae 10 KQ Sd DERESE T UR lt 3 ESAS r 6 TXA 54 T 8 9 0 Figure E 1 Programming Port Pin Assignments When the PROG connector is used the RESET line can be asserted by manipulating DTR and the STATUS line can be read as DSR on the serial port The target can be restarted by pulsing reset and then after a short delay sending a special character string at 2400 bps To simply restart the BIOS the string 80h 24h 80h can be sent When the BIOS is started it can tell whether the programming cable is connected because the SMODE and SMODED pins are sensed as being high Alternatively the DIAG connector can be used to connect the programming port The RESET line and the SMODE1 and SMODEO pins are not connected to this connector The programming port is then enabled as a diagnostic port by polling the port periodically to see if communication needs to begin or to enable the port and wait for interrupts The pull up resistors on RXA and CLKA prevent spurious data recep
38. ct connection the following IP addresses can be used for the OP6800 define MY_IP_ADDRESS 10 1 1 2 define MY_NETMASK 255 255 255 248 define MY_GATEWAY 216 112 116 153 In this case the gateway is not used and is commented out The IP address of the board is defined to be 10 1 1 2 The IP address of your PC can be defined as 10 1 1 1 User s Manual 37 5 2 2 How to Set Up your Computer s IP Address for a Direct Connection When your computer is connected directly to the OP6800 via an Ethernet connection you need to assign an IP address to your computer To assign the PC the address 10 1 1 1 with the subnetmask 255 255 255 248 under Windows 98 do the following Click on Start gt Settings gt Control Panel to bring up the Control Panel and then double click the Network icon Depending on which version of Windows you are using look for the TCP IP Protocol Network gt Dial Up Connections Network line or tab Double click on this line or select Properties or Local Area Connections gt Properties to bring up the TCP IP properties dialog box You can edit the IP address and the subnet mask directly Disable obtain an IP address automatically You may want to write down the existing values in case you have to restore them later It is not necessary to edit the gateway address since the gateway is not used with direct connect OP6800 IP 10 1 1 1 Board Subnet mask 255 255 255 248 J Jser s PC
39. d Mechanical Specifications cccecccecceeseesceceesceseeesecacesseeseeeceseeeceseeneeeaseseeeneeaeeeaees 48 A 2 Conformal Coatin grasse i n E E E t cesta wis hate EEE TENGT 51 A 3 Jumper Configurations peenes eerie iei ie rir s EE EE dds EE EEE Es E E EEEE SEE eiee Tipis 52 Av4 Use of Rabbit 2000 Parallel Ports niienosngen vaesciay sent e use sesubeyassabevdeneeess tees 53 A 5 I O Address Assignment r oineosi irigi iEn E E hock cess ed R S e A E EE E i 55 Appendix B Power Supply 57 Bil Power Supplies eeni ae E E T E cash E EAE O Reding eee E 57 B 2 Batteries and External Battery Comnections cceccescceccsseseeceseeseceseeceeeecenseeaeessecsecaaeeseeesecseenaeereees 58 B 2 1 Battery Backup Circuit cee ass heck a EE oe he E A a AE LR aE 58 B 2 2 Power to VRAM Switch ccc ces dacis aces odsatecengsidoseozsnte dav ecsentiga a REES TAR EAEra a aE Ea EA an teases 59 B 2 3 Reset Generator seie a a E a toh NP tet seat AE A 59 B 3 Chip S lect Circ itce nenna iin canton eh eee ent we erie NE aed ee eT R 60 Appendix C Demonstration Board 61 C 1 Mechanical Dimensions and Layout ccccccssessesseceseeecseesececeseceeeeeeeacesseeaeeseecaecaeeaecseenaeenesereaes 62 C2 Power Suppl DAAE EE tan alec eles A A EA E ths catica cathe Pathe Habe leb coeees 63 C 3 Using the Demonstration Board cccccccccsseeseesseesecseesecsecseeseceeceseceeeeseseacesseeaeeseecaecaeeaeceeeaeeeeenneaes 65 Appendix D OP6800 Function APIs 69 D 1 Bo
40. e CMOS serial channel that serves as the programming port All four serial ports operate in an asynchronous mode An asynchronous port can handle 7 or 8 data bits A 9th bit address scheme where an additional bit is sent to mark the first byte of a message is also supported Serial Port A the programming port can be operated alternately in the clocked serial mode In this mode a clock line synchronously clocks the data in or out Either of the two communicating devices can supply the clock The OP6800 boards typically use all four ports in the asynchronous serial mode Serial Ports B and C are used for RS 232 communication and Serial Port D is used for RS 485 communica tion The OP6800 uses an 11 0592 MHz crystal which is doubled to 22 1184 MHz At this frequency the OP6800 supports standard asynchronous baud rates up to a maximum of 230 400 bps 3 3 1 RS 232 The OP6800 RS 232 serial communication is supported by an RS 232 transceiver This transceiver provides the voltage output slew rate and input voltage immunity required to meet the RS 232 serial communication protocol Basically the chip translates the Rabbit 2000 s CMOS TTL signals to RS 232 signal levels Note that the polarity is reversed in an RS 232 circuit so that a 5 V output becomes approximately 10 V and 0 V is output as 10 V The RS 232 transceiver also provides the proper line loading for reliable commu nication RS 232 can be used effectively at the OP6800 s max
41. e font or bitmap to your application using the glxFont Init or the glXPutBitmap function calls User s Manual 33 34 MiniCom OP6800 5 USING THE TCP IP FEATURES Chapter 5 discusses using the TCP IP features on the OP6800 boards The TCP IP feature is not available on OP6810 versions 5 1 TCP IP Connections Before proceeding you will need to have the following items e If you don t have an Ethernet connection you will need to install a 10Base T Ethernet card available from your favorite computer supplier in your PC e Two RJ 45 straight through Ethernet cables and a hub or an RJ 45 crossover Ethernet cable The Ethernet cables and Ethernet hub are available from Z World in a TCP IP tool kit More information is available at www zworld com 1 Connect the AC adapter and the programming cable as shown in Chapter 2 Getting Started 2 Ethernet Connections e Ifyou do not have access to an Ethernet network use a crossover Ethernet cable to con nect the OP6800 to a PC that at least has a 10Base T Ethernet card e Ifyou have an Ethernet connection use a straight through Ethernet cable to establish an Ethernet connection to the OP6800 from an Ethernet hub These connections are shown in Figure 19 OP6800 Board OP6800 Board User s PC Ethernet r Ethernet cables 7 crossover J To additional
42. e y coordinate of the first vertex x1 is the x coordinate of the first vertex y2 is the y coordinate of the second vertex x2 is the x coordinate of the second vertex are the coordinates of additional vertices RETURN VALUE None SEE ALSO glPlotVPolygon glFillPolygon gl1FillVPolygon User s Manual 77 Fills a polygon in the LCD page buffer and on the LCD screen if the buffer is unlocked Any portion of the polygon that is outside the LCD display area will be clipped If fewer than 3 vertices are specified the function will return without doing anything PARAMETERS n is the number of vertices pFirstCoord is a pointer to array of vertex coordinates x1 y1 x2 y2 x3 y3 RETURN VALUE None SEE ALSO glFillPolygon glPlotPolygon glPlotVPolygon Fills a polygon in the LCD page buffer and on the LCD if the buffer is unlocked Any portion of the poly gon that is outside the LCD display area will be clipped If fewer than 3 vertices are specified the func tion will return without doing anything PARAMETERS n is the number of vertices x1 is the x coordinate of the first vertex y1 is the y coordinate of the first vertex X2 is the x coordinate of the second vertex y2 is the y coordinate of the second vertex are the coordinates of additional vertices RETURN VALUE None SEE ALSO glFillvVPolygon glPlotPolygon glPlotVPolygon 78 MiniCom OP6800 Draws the outline of a circle in the LCD page bu
43. ecommends using properly shielded I O cables in noisy electromagnetic environments While the OP6800 meets the EN61000 4 2 ESD requirements in that it can withstand contact discharges of 4 kV and air discharges of 8 kV it is the responsibility of the end user to use proper ESD precautions to prevent ESD damage when installing or ser vicing the OP6800 Safety For personal safety all inputs and outputs to and from the OP6800 must not be con nected to voltages exceeding SELV levels 42 4 V AC peak or 60 V DC Damage to the Rabbit 2000 microprocessor may result if voltages outside the design range of 0 V to 40 V DC are applied directly to any of its digital inputs The lithium backup battery circuit on the OP6800 has been designed to protect the bat tery from hazardous conditions such as reverse charging and excessive current flows Do not disable the safety features of the design 1 4 2 Interfacing the OP6800 to Other Devices Since the OP6800 operator control panels are designed to be connected to other devices good EMC practices should be followed to ensure compliance CE compliance is ulti mately the responsibility of the integrator Additional information tips and technical assistance are available from your authorized Z World distributor and are also available on our Web site at www zworld com User s Manual 5 MiniCom OP6800 2 GETTING STARTED Chapter 2 explains how to connect the programming cable a
44. ed and RS 485 is at listen status User s Manual 55 56 MiniCom OP6800 APPENDIX B POWER SUPPLY Appendix B describes the power circuitry provided on the OP6800 B 1 Power Supplies Power is supplied to the OP6800 via pins 20 and 21 of header J1 which is connected by a ribbon cable to either the Demonstration Board or to your system The OP6800 is pro tected against reverse polarity by a diode at D6 as shown in Figure B 1 SWITCHING POWER REGULATOR Me J1 D6 w RAW VIN uo on aa U4 4 Z C40 22 21 Sz F AAN 039 A H 47 uH 47 uF L LM2675 5 C36 L1 a L D14 10nF 4 1N5819 Figure B 1 OP6800 Power Supply The input voltage range is from 9 V to 36 V A switching power regulator is used to pro vide a Vcc of 5 V for the OP6800 logic circuits Vcc is not accessible to the user NOTE In addition to supplying RAW to the OP6800 switching power regulator the Demonstration Board has its own independent linear power regulator to supply the electronics in the demonstration area of the Demonstration Board See Appendix C for more information User s Manual 57 B 2 Batteries and External Battery Connections The SRAM and the real time clock have provision for battery backup Power to the SRAM and the real time clock VRAM is provided by two different sources depending on whether the main part of the OP6800 is powered or not
45. eescecsecsaecseceaesaecaeseseeseseeserseaeeaeeeaeseenaees 21 3 3 4 Ethernet Port OP6800 models OnLy 0 eeeeeceeeeseesseesceseecsecseeceeceaenseensceseeeeeeeeeeeseeneeeaeeeneenees 22 34 MGM ORY e oe e bec sied nce E RE EEEE A E AE EETA 23 IA SRAM ea E E A E E E EA 23 34 2 Flash Memory ciiir E EEEE R ER ERE E i EiS 23 3 5 Keypad Labeling cccccccsessessecsseeseceecesesseceseesesesesseceaecsaecaecseecaecsaecsecaaesaeceesseseneseesaeesaecaeeeaesaeeaees 24 Chapter 4 Software 27 4 1 Programming Cable meeririenin eo aA E E R EREE R ES 28 4 1 1 Switching Between Program Mode and Run Mode ecccceececeseesecseceecesecseceaeceeeneesesnseeeeeneeeaes 28 4 1 2 Detailed Instructions Changing from Program Mode to Run Mode 28 4 1 3 Detailed Instructions Changing from Run Mode to Program Mode 28 42 OP6800 LiDrANIE Sironen r E E EE EAE E E R tee 29 AS Sample Protas ere E R E E EEE AO E EE E EER A 30 43 1 Board IDs aa r a EE wr a ena EEEO 30 4 3 2 Demonstration Board cccccescesseesseeseescesseceecaeecsecssesaecaecsaeceessaessesesseeceseseeecaeesaecaeesaeceeeeeseeeeaes 30 4 3 3 Digital T O ais rnrn easken oe arip Eeee EEEE E EA EEan atensoniysstovelastextexteabes tuurceeenestenecs 31 4 3 4 Seral Comm micatiofi eegee peee oa eesis eiia s ce sence ace chan e Rea OEN ii iaaa aai aeisi 31 4 3 5 LCD Keypad Module Sample Programs 0 ccsescseesesecesseeseesecseeeceeceaeneeseceecaeeaeeseeaesateeeeaes 31 4 3 6 TCP IP Sample Programs csc
46. eight is the height of the bitmap bitmap is the address of the bitmap in xmem RETURN VALUE None SEE ALSO glXPutBitmap glPrintf Defines a text only display window This function provides a way to display characters within the text window using only character row and column coordinates The text window feature provides end of line wrapping and clipping after the character in the last column and row is displayed NOTE Execute the TextWindowFrame function before other Text functions PARAMETERS window is a window frame descriptor pointer pFont is a font descriptor pointer x is the x coordinate of the top left corner of the text window frame y is the y coordinate of the top left corner of the text window frame winWidth is the width of the text window frame winHeight is the height of the text window frame RETURN VALUE 0 window frame was successfully created 1 x coordinate width has exceeded the display boundary 2 y coordinate height has exceeded the display boundary User s Manual 89 Sets the cursor location to where the next character will be displayed The display location is based on the height and width of the character to be displayed NOTE Execute the TextWindowFrame function before using this function PARAMETERS window is a pointer to a font descriptor col isa character column location row is a character row location RETURN VALUE None SEE ALSO TextPutChar TextPri
47. end of line wraparound end of text window clipping line feed and carriage return 4 Creating 2 different TEXT windows for display 5 Displaying different FONT sizes 4 3 6 TCP IP Sample Programs TCP IP sample programs are described in Chapter 5 32 MiniCom OP6800 4 4 Font and Bitmap Converter A Font and Bitmap Converter tool is available to convert Windows fonts and mono chrome bitmaps to a library file format compatible with Z World s Dynamic C applica tions and graphical displays Non Roman characters can also be converted by applying the monochrome bitmap converter to their bitmaps Start the Font and Bitmap Converter tool by double clicking on the fbmenvtr exe file in the Dynamic C directory You then select and convert existing fonts or bitmaps Com plete instructions are available via the Help menu that is in the Font and Bitmap Con verter tool Once you are done the converted file is displayed in the editing window Editing may be done but should not be necessary Save the file as libraryfilename 1ib where libraryfilename is a file name of your choice Add the library file s to applications with the statement use libraryfilename 1ib or by cutting and pasting from the library file s you created into the application program TIP Ifyou used the Huse libraryfilename 1ib statement remember to enter libraryfilename 1ib into 1ib dir which is located in your Dynamic C directory You are now ready to add th
48. er used to power the OP6800 An AC adapter is supplied with tool kits sold in the North American market If you are using your own power supply it must pro vide 9 to 36 V DC e Demonstration Board with prototyping area pushbutton switches and LEDs The Demonstration Board can be hooked up to the OP6800 to demonstrate the I O and the prototyping area can be used for custom circuits e Ribbon cable to connect Demonstration Board to OP6800 e Screwdriver e Rabbit 2000 Processor Easy Reference poster e Registration card 2 MiniCom OP6800 Programming ae AC Adapter Cable a North American kits only Screwdriver Demonstration Board Ribbon Cable AY ZWORLD p AAAA AAA E UCC ALALLE A Minicom OP6800 Programmable Operator interface User s Manual Demonstration Board Figure 1 OP6800 Tool Kit 1 3 2 Software The OP6800 is programmed using version 7 06 or later of Z World s Dynamic C A com patible version is included on the Tool Kit CD ROM Library functions provide an easy to use interface for the OP6800 Software drivers for the display and keypad TCP IP I O and serial communication are included with Dynamic C Web based technical support is included at no extra charge Z World also offers add on Dynamic C modules containing the popular wC OS II real time operating system as well as PPP Advanced Encrypti
49. er Devices ssseessssesssrssssessessestsrestsrsseeseseesessessesessesesseeneserseses 5 Chapter 2 Getting Started 7 2 1 Connections wii E cenit cent E eid anne ooo nage 7 2 2 Demonstration Program on Powet Up cesssssceseseeeeeecseeseesceaecaeeeceaesaeeevseceecaeeateaecnecaeeaesaeeaeeateerered 10 2 3 Display Contrast Adjustment 0 0 cceessesceeeceeceeeseeseesecaeeeessceaecaeeeceaesaesessecnecaeeaeeseceesaeeaseesetenaeaeeeted 10 2 4 Programming Cable Connections cccscescesessecseeeceseeseeeeeeceecseeeesecaecateecsaecaesecessaeaaeeeseesneeaeeateeeeaes 11 2 5 Installing Dynamic Cresen cae onisaertnscsieeceerna avix E EET 12 2 0 Startins Dy marie Ci ys vaksnci sce extevaneviesisvanesiegceaeRiseen no EREEREER EEES E EEEE ease AEREE EERTE 12 2 7 PONG O E E ai awntaidiinanldhtadiaiser hii E E E 13 2 8 Where Do I Go From Here ccccccesesssssseeseceseeseeeseseeecceseeeecaeeececaessaecaecsaecaeceaeeaeseeseeeseseseesenseaeeeaes 13 Chapter 3 Subsystems 15 Sol POUS enice ea e E E E E E E E E E a S 16 DD Dicta O an tee feces e a E A a E R A ei esetasterees 17 3 2 1 Digital INPUt Sisira Ea EEA E E E RRE RE 17 3 2 2 Digital OUPUtS isinisi ni enean si sE Era i EE ERE SR Ri REE EEES EE 18 3 3 Serdal Communication seene A E A E E E anes 19 Ses J RS aa E EE E R 19 3 3 2 RSA BS narioa spe iesieta Esrar EEEE TEA EEEE ES A EAA EAN EA EAEE AAEE EEEE Ea 19 3 3 3 Programming POrt ccccesccssessesssceseeeeceseesseseeeceeeeseses
50. erature 0 0 50 subsystems 0 eceeeeeeteeeeees 15 T TCP IP connections 35 10Base T Ethernet card 35 additional resources 41 Ethernet hub 0 0 0 35 SLEDS ainin eeii 35 TOOL Kitre 2 AC adapter osese 2 DC power supply 2 programming cable 2 User s Manual eee 2 wire assembly ceee 2 User s Manual 101 102 MiniCom OP6800 SCHEMATICS 090 0134 OP6800 Schematic www zworld com documentation schemat 090 0134 pdf 090 0120 RCM2200 Schematic www zworld com documentation schemat 090 0120 pdf 090 0119 RCM2300 Schematic www zworld com documentation schemat 090 0119 pdf 090 0140 OP6800 Demonstration Board Schematic www zworld com documentation schemat 090 0140 pdf 090 0128 Programming Cable Schematic www zworld com documentation schemat 090 0128 pdf The schematics included with the printed manual were the latest revisions available at the time the manual was last revised The online versions of the manual contain links to the latest revised schematic on the Web site You may also use the URL information provided above to access the latest schematics directly User s Manual 103
51. esriieer 70 glXPutBitmap 33 88 digital I O digital I O glXPutFastmap 89 DIGIN G nessis 31 dilh eese 71 TextCursorLocation 90 DIGOUT C onssas 31 digOut snc traci acta 71 TextGotoXY vocceecceeeessees 90 how to set IP address 37 keypad TextPrint 0 91 ICOMDEMOLC eee 10 keyConfig seroraren 92 TextPutChar nisinsin 91 LCD keypad module 31 KeyGets ccneina eed 93 TextWindowFrame 89 ALPHANUNLC nosses 31 Key Init erore 92 LCD keypad module COFTERMA C ssee 31 keypadDef oe 94 ledOut wo 74 DISPPONG C seeee 31 keyProcess eee 93 branes E 29 DKADEMOLC 45 31 keyScan voces 94 PACKET LIB ooeeesseesssees 72 FUN C soosis 10 31 keyUnget ssscsssssocennseorseon 93 RS232 LIB ccesicace 72 KEYBASIC C ou 32 TOP IP ce in 29 KEYMENU C sesse 32 sample programs 30 LED a veckauenmtnwm 32 PONG C foots 13 SCROLLING C nesese 32 TEXT C eberan 32 100 MiniCom OP6800 serial communication flow control ee 72 SCT485RX oroc pien iesms 73 ser485Tx ooeeeeccecsseeeeerees 72 serCflowcontrolOff 72 serCflowcontrolOn 72 serMode ceceeecsesseceeeees 72 specifications Demonstration Board dimensions ceeee 62 electrical nianna 62 mechanical c00 62 temperature cee 62 OP6800 dimensions ccceee 48 electrical ceeeeeees 50 exclusion ZONE s s 49 mechanical 1 0 50 temp
52. ffer and on the LCD if the buffer is unlocked Any por tion of the circle that is outside the LCD display area will be clipped PARAMETERS xc is the x coordinate of the center of the circle yc is the y coordinate of the center of the circle rad is the radius of the center of the circle in pixels RETURN VALUE None SEE ALSO glFillCircle glPlotPolygon glFillPolygon Draws a filled circle in the LCD page buffer and on the LCD if the buffer is unlocked Any portion of the circle that is outside the LCD display area will be clipped PARAMETERS xc is the x coordinate of the center of the circle yc is the y coordinate of the center of the circle rad is the radius of the center of the circle in pixels RETURN VALUE None SEE ALSO glPlotCircle glPlotPolygon glFillPolygon User s Manual 79 Initializes the font descriptor structure where the font is stored in xmem PARAMETERS pInfo is a pointer to the font descriptor to be initialized pixWidth is the width in pixels of each font item pixHeight is the height in pixels of each font item startChar is the value of the first printable character in the font character set endChar is the value of the last printable character in the font character set xmemBuffer is the xmem pointer to a linear array of font bitmaps RETURN VALUE None SEE ALSO glPrinf Returns the xmem address of the character from the specified font set PARAMETERS pInfo is t
53. gital Outputs The OP6800 has 11 digital outputs OUTOO OUT 10 which can each sink up to 200 mA Figure 10 shows a wiring diagram for using the digital outputs OUT00 OUT06 can switch up to 40 V and the corresponding LEDs when the outputs are on OUT07 OUT 10 offer protection for inductive loads when K is connected to an exter nal power supply OUTO7 OUT10 are not connected to the LEDs OUT00 OUT06 Vcc iq LOAD External Vv Power Supply A OUT K 2 0 40 V Pha GND 6 D OUT07 OUT10 K A LOAD External OUT Power Supply 0 40 V GND Figure 10 OP6800 Digital Outputs It is possible to use an external open collector driver to control the LEDs associated with OUTO00 OUT06 Connect the external driver to the output corresponding to the LED you wish to control but keep the internal driver turned off The external driver will then con trol the LED 18 MiniCom OP6800 3 3 Serial Communication The OP6800 has two RS 232 serial ports which can be configured as one RS 232 serial channel with RTS CTS or as two RS 232 3 wire channels using the serMode software function call Table 3 summarizes the options Table 3 Serial Communication Configurations Serial Port Mode B G D 0 RS 232 3 wire RS 232 3 wire RS 485 1 RS 232 5 wire CTS RTS RS 485 The OP6800 also has one RS 485 serial channel and on
54. grounding the inputs e DIGOUT c Demonstrates the use of the sinking high current outputs By pressing a pushbutton switch on the Demonstration Board you can view an output channel toggle the corresponding LEDs on off The four pushbutton switches correspond to OUT07 OUT10 4 3 4 Serial Communication The following sample programs are found in the RS232 subdirectory in SAMPLES OP 6800 e PUTS C Transmits and then receives an ASCII string on Serial Ports B and C It also displays the serial data received from both ports in the STDIO window e RELAYCHR C This program echoes characters over Serial Port B to Serial Port C It must be run with a serial utility such as Hyperterminal The following sample programs are found in the RS485 subdirectory in SAMPLES OP 6800 e MASTER C This program demonstrates a simple RS 485 transmission of lower case letters to a slave OP6800 The slave will send back converted upper case letters back to the master OP6800 and display them in the STDIO window Use SLAVE C to program the slave OP6800 e SLAVE C This program demonstrates a simple RS 485 transmission of lower case letters to a slave OP6800 The slave will send back converted upper case letters back to the master OP6800 and display them in the STDIO window Use MASTER C to program the master OP6800 4 3 5 LCD Keypad Module Sample Programs The following sample programs are found in the 122x32_1x7 subdirectory in SAMPLES LCD_Keypad
55. he OP6800 board I O serial channels display and keypad User s Manual 69 D 1 Board Initialization OP68xx LIB Call this function at the beginning of your program This function initializes the system I O ports This function also turns off LED DS1 to indicate that the initialization was successful The ports are initialized according to Table A 4 SEE ALSO digIn digOut serMode ledOut 70 MiniCom OP6800 D 2 Digital I O OP68xx LIB Reads the state of an input channel A runtime error will occur ifbrdInit was not executed before executing digIn or when channel is out of range PARAMETER channel is the input channel number 0 12 where IN00 IN12 are the normal user digital inputs RETURN VALUE The state of the input 0 or 1 SEE ALSO brdiInit digOut ledOut Sets the state of a digital output OUT00 OUT 10 Remember to call the brdInit function before executing this function A runtime error will occur ifbrdInit was not executed before executing digOut or when channel or value is out of range NOTE The LEDs and digital outputs OUTO00 OUT06 are driven by the same driver chip Do not use both ledOut and digOut to control the same LED or digital output in a given application PARAMETERS channel is the output channel number 0 10 value is the output value 0 or 1 SEE ALSO brdiInit digIn ledOut User s Manual 71 D 3 Serial Communication OP68xx LIB Library files included
56. he xmem address of the bitmap font set letter is an ASCII character RETURN VALUE xmem address of bitmap character font column major and byte aligned SEE ALSO glPutFont glPrintf 80 MiniCom OP6800 Puts an entry from the font table to the page buffer and on the LCD if the buffer is unlocked Each font character s bitmap is column major and byte aligned Any portion of the bitmap character that is outside the LCD display area will be clipped PARAMETERS x is the x coordinate column of the top left corner of the text y is the y coordinate row of the top left corner of the text pInfo is a pointer to the font descriptor code is the ASCH character to display RETURN VALUE None SEE ALSO glFontCharAddr glPrintf Sets the gLPrintf printing step direction The x and y step directions are independent signed values The actual step increments depend on the height and width of the font being displayed which are multiplied by the step values PARAMETERS stepxX is the g 1Printf x step value stepyY is the g1Printf y step value RETURN VALUE None SEE ALSO Use g1GetP Step to examine the current x and y printing step direction Gets the current 9 LPrintf printing step direction Each step direction is independent of the other and is treated as an 8 bit signed value The actual step increments depends on the height and width of the font being displayed which are multiplied by the step values RETURN VA
57. ill need to have this parameter configured Note that COM1 on the PC is the default COM port used by Dynamic C DIAG Colored edge gt Programming Cable To PC COM port Figure 6 Programming Cable Connections 2 Apply power Reset the OP6800 by unplugging the AC adapter then plugging it back in The OP6800 is now ready to be used User s Manual 11 2 5 Installing Dynamic C If you have not yet installed Dynamic C version 7 06P2 or a later version do so now by inserting the Dynamic C CD in your PC s CD ROM drive The CD will auto install unless you have disabled auto install on your PC If the CD does not auto install click Start gt Run from the Windows Start button and browse for the Dynamic C setup exe file on your CD drive Click OK to begin the installation once you have selected the setup exe file The Dynamic C User s Manual provides detailed instructions for the installation of Dynamic C and any future upgrades NOTE If you have an earlier version of Dynamic C already installed the default instal lation of the later version will be in a different folder and a separate icon will appear on your desktop 2 6 Starting Dynamic C Once the OP6800 is connected to your PC and t
58. imum baud rate for distances of up to 15 m 3 3 2 RS 485 The OP6800 has one RS 485 serial channel which is connected to the Rabbit 2000 Serial Port D through an RS 485 transceiver The half duplex communication uses the Rabbit 2000 s PB6 pin to control the transmit enable on the communication line The OP6800 can be used in an RS 485 multidrop network Connect the 485 to 485 and 485 to 485 using single twisted pair wires nonstranded tinned as shown in Figure 11 Note that a common ground is recommended User s Manual 19 Figure 11 OP6800 Multidrop Network The OP6800 comes with a 220 Q termination resistor and two 681 Q bias resistors installed and enabled with jumpers across pins 1 2 and 5 6 on header JP1 as shown in Figure 12 bias F 5 y 2 Factory mooo termi Default E meee bias Ea Figure 12 RS 485 Termination and Bias Resistors For best performance the bias and termination resistors in a multidrop network should only be enabled on both end nodes of the network Disable the termination and bias resis tors on any intervening OP6800 units in the network by removing both jumpers from header JP1
59. l Y gt on your PC if Dynamic C is running The OP6800 is now ready to operate in the Program Mode 28 MiniCom OP6800 4 2 OP6800 Libraries With Dynamic C running click File gt Open and select Lib The following list of Dynamic C libraries and library directories will be displayed Look in I Lib z c AES Encryption CI FileSystem C 0p6800 J Bioslib 5 Gps Ppp zconsole Blz000 Glee C SLAVEPORT E Cofune lib B12100 E icom E Smrtstar E Costate lib F Crypt C Jrablib spi E3 Fft lib i E Keypads E Tcpip H Math lib gt Fiename T Files of type Source Files c lib Cancel Four library directories provide function calls that are specific to the OP6800 or to its fea tures e OP6800 libraries associated with OP6800 serial communication I O and initializa tion The functions in the OP 68xx LIB library are described in Appendix D OP6800 Function APIs e DISPLAYS GRAPHIC libraries associated with the LCD display The functions in these libraries are described in Appendix D OP6800 Function APIs e KEYPADS libraries associated with the keypad The functions in these libraries are described in Appendix D OP6800 Function APIs e TCPIP libraries specific to using TCP IP functions The functions in these libraries are described in the Dynamic C TCP IP User s Manual included in the manual set with the Dynamic C User s Manual Other generic functions applic
60. mended that you allow for an exclusion zone of 0 25 6 mm around the OP6800 in all directions when the OP6800 is incorporated into an assembly that includes other components This exclusion zone that you keep free of other components and boards will allow for sufficient air flow and will help to minimize any electrical or EMI interference between adjacent boards Figure A 2 shows this exclusion zone Exclusion Zone Figure A 2 OP6800 Exclusion Zone User s Manual 49 Table A 2 lists the electrical mechanical and environmental specifications for the OP6800 Table A 2 OP6800 Specifications Feature OP6800 OP6810 Microprocessor Rabbit 2000 at 22 1 MHz Ethernet Port 10Base T RJ 45 None Flash EPROM 256K SRAM 128K Backup Battery Connection for user supplied battery to support RTC and SRAM 122 x 32 pixel graphic LCD with programmable backlight Keypad Display user relegendable keypad with 7 key 7 LED interface LEDs 7 hardware or software driven 1 red 4 green 2 yellow Digital Inputs 13 total 8 protected to 36 V DC 5 protected to 25 V DC Digital Outputs i total sink 200 mA 40 V DC max 4 with built in inductive load protection diode 4 serial ports ee ee e two 3 wire RS 232 or one RS 232 with CTS RTS e one RS 485 onboard network termination and bias resistors e one 5 V CMOS compatible progr
61. nctions used to control the LCD display are contained in the GRAPHIC LIB library located in the Dynamic C DISPLAYS GRAPHIC library directory When x and y coordi nates on the display screen are specified x can range from 0 to 121 and y can range from 0 to 31 These numbers represent pixels from the top left corner of the display Initializes the display devices clears the screen RETURN VALUE None SEE ALSO glDispOnOFF glBacklight glSetContrast glPlotDot glBlock glPlotDot glPlotPolygon glPlotCircle glHScroll glVScroll glXFontInit glPrintf glPutChar glSetBrushType glBuffLock glBuffUnlock glPlotLine Turns the display backlight on or off PARAMETER onOff turns the backlight on or off 1 turn the backlight on 0 turn the backlight off RETURN VALUE None SEE ALSO glInit glDispOnoff glSetContrast Sets the LCD screen on or off Data will not be cleared from the screen PARAMETER onOf f turns the LCD screen on or off 1 1turn the LCD screen on 0 turn the LCD screen off RETURN VALUE None SEE ALSO glInit glSetContrast glBackLight User s Manual 75 Sets display contrast the circuitry is not installed on the LCD keypad module used with the OP6800 Fills the LCD display screen with a pattern PARAMETER The screen will be set to all black if pattern is OxFF all white if pattern is 0x00 and vertical stripes for any other pattern RETURN VALUE None SEE ALSO glBlock glBlankScreen
62. nd power supply to the OP6800 Once you run a sample program to demonstrate that you have connected everything correctly you will be ready to go on and finish developing your system 2 1 Connections 1 Screw in the four standoffs included with the Tool Kit into the four mounting threads on the OP6800 as shown in Figure 2 Figure 2 Screw In Standoffs Into OP6800 Mounting Threads User s Manual 2 Connect the OP6800 to the Demonstration Board from the Tool Kit using the ribbon cable connector as shown in Figure 3 First connect the ribbon cable to header J1 on the OP6800 Step 1 then turn the OP6800 over and connect the other end of the ribbon cable to header J1 on the Demonstration Board Step 2 By connecting the boards this way you have the option of placing the Demonstration Board behind your OP6800 in your final installation as explained in Appendix C e le 0 le QOG wJOSCOQDVLA WOSSCCGSeooog Figure 3 Connect the OP6800 to the Demonstration Board 8 MiniCom OP6800 3 Connect the power supply Connect the bare ends of the power supply to the RAW and GND positions on screw ter minal header J5 of the Demonstration Board as shown in Figure 4 Jarm
63. nd port The destination then responds to that message The response is displayed on the LCD Note that only the LEFT and UP scroll keys are set up to cause a message to be sent When using TCPSEND C and TCP_RESPOND C connect the OP6800 and the other single board computer to an Ethernet If you connect the them directly be sure to use a crossover Ethernet cable straight through Ethernet cables and a hub may be used instead 40 MiniCom OP6800 5 3 Where Do I Go From Here NOTE If you purchased your OP6800 through a distributor or Z World partner contact the distributor or Z World partner first for technical support If there are any problems at this point e Check the Z World Technical Bulletin Board at www zworld com support bb e Use the Technical Support e mail form at www zworld com support support_submit html If the sample programs ran fine you are now ready to go on Additional sample programs are described in the Dynamic C TCP IP User s Manual Refer to the Dynamic C TCP IP User s Manual to develop your own applications An Introduction to TCP IP provides background information on TCP IP and is available on Z World s Web site User s Manual 41 42 MiniCom OP6800 6 INSTALLATION AND MOUNTING GUIDELINES Chapter 6 describes some considerations for mounting the OP6800 in a panel and includes detailed mounting instructions 6 1 Installation Guidelines When possible following these g
64. nformal coating should then be applied to offer continuing protection against the effects of moisture and contaminants NOTE For more information on conformal coatings refer to Rabbit Semiconductor Technical Note 303 Conformal Coatings User s Manual 51 A 3 Jumper Configurations Figure A 4 shows the header locations used to configure the various OP6800 options via jumpers Figure A 4 Location of BL2100 Configurable Positions Table A 3 lists the configuration options Table A 3 OP6800 Jumper Configurations Header Description Pins Connected Factory Default 1 2 Bias and termination resistors x 5 6 connected RS 485 Bias and Termination Resistors JP1 Bias and termination resistors not 3 6 connected RR Although pins 1 3 and 4 6 of header JP1 are shown jumpered for the termination and bias resistors not connected pins 3 and 4 are not actually connected to anything and this configuration is a parking configuration for the jumpers so that they will be readily available should you need to enable the termination and bias resistors in the future 52 MiniCom OP6800 A 4 Use of Rabbit 2000 Parallel Ports Figure A 5 shows the Rabbit 2000 parallel ports PBO PB2 PDO PD1 PB4 PB5 PB7 PD5 PD3 PD4 rote mm RABBIT Real Time Clock I O Control Watchdog PA0 PA7 2 more inputs serial Pa A 4 Ethernet signals Emnerne IRESET
65. ntf TextWindowFrame Gets the current cursor location that was set by a Graphic Text function NOTE Execute the TextWindowFrame function before using this function PARAMETERS window is a pointer to a font descriptor col is a pointer to cursor column variable row is a pointer to cursor row variable RETURN VALUE Lower word Cursor Row location Upper word Cursor Column location SEE ALSO TextGotoXY TextPrintf TextWindowFrame TextCursorLocation 90 MiniCom OP6800 Displays a character on the display where the cursor is currently pointing If any portion of a bitmap character is outside the LCD display area the character will not be displayed The cursor increments to the next character position NOTE Execute the TextWindowFrame function before using this function PARAMETERS window is a pointer to a font descriptor ch is a character to be displayed on the LCD RETURN VALUE None SEE ALSO TextGotoXY TextPrintf TextWindowFrame TextCursorLocation Prints a formatted string much like print f on the LCD screen Only printable characters in the font set are printed also escape sequences r and n are recognized All other escape sequences will be skipped over for example b and t will print if they exist in the font set but will not have any effect as control characters The text window feature provides end of line wrapping and clipping after the character in the last col umn and
66. o a power source start Dynamic C by dou ble clicking on the Dynamic C icon or by double clicking on the exe file associated with DcRab in the Dynamic C directory Dynamic C assumes by default that you are using serial port COM1 on your PC If you are using COM1 then Dynamic C should detect the OP6800 and go through a sequence of steps to cold boot the OP6800 and to compile the BIOS If the error message Rabbit Pro cessor Not Detected appears you have probably connected to a different PC serial port such as COM2 COM3 or COM4 You can change the serial port used by Dynamic C with the OPTIONS menu then try to get Dynamic C to recognize the OP6800 by selecting Reset Target Compile BIOS on the Compile menu Try the different COM ports in the OPTIONS menu until you find the one you are connected to If you still can t get Dynamic C to recognize the target on any port then the hookup may be wrong or the COM port might not working on your PC If you receive the BIOS successfully compiled message after pressing lt Ctrl Y gt or starting Dynamic C and this message is followed by a communications error message it is possible that your PC cannot handle the 115 200 bps baud rate Try changing the baud rate to 57 600 bps as follows e Locate the Serial Options dialog in the Dynamic C Options gt Project Options gt Communications menu Change the baud rate to 57 600 bps 12 MiniCom OP6800 2 7 PONG C You are now ready
67. ogramming cable 11 PEACHES acae se shcsstetesecastiststdats 1 OP6800 oo eeeeeeeteeeeees 2 COMITASE oes cncscaresisacseneees 10 flash memory OP6810 woe eseeeeeeteees 2 liefetime write cycles 27 mounting and installation D flash memory bank select 23 Demonstration Board 67 Demonstration Board font and bitmap converter 33 OP6800 aeee 44 45 mounting and installation 67 H Oo PINOUE ee sedieneiaeiceses 66 prototyping area ss 66 headers OP6800 wire assembly 0000 2 JPA E 20 introduction eee 1 demonstration program 10 dieilal inpas oee 17 l P remote keypad operation 17 T O address assignments 55 pin 1 locations eee 48 switching threshold 17 installation guidelines 43 pinout digital outputs i eee 2 18 introduction ce eeeeeeeeeeeeees 1 Demonstration Board 66 dimensions IP addresses n s 38 Ethernet port wc 22 Demonstration Board 62 how to set sesse 37 OP6800 headers 16 LCD keypad template 24 how to set PC IP address 38 programming port 96 OP6800 preteens viststarusrennectees 48 power distribution 63 T C A 3 E J power management 57 add on modules 0 changing programming baud jumper configurations 52 slik ae ie ms 7 57 A rate in BIOS sseccseesee 12 Demonstration Board buzz ie aaa debugging features 27 e
68. on Standard AES and other select libraries In addition to the Web based technical support included at no extra charge a one year telephone based technical support module is also available for purchase Visit our Web site at www zworld com or contact your Z World sales representative or autho rized distributor for further information User s Manual 3 1 4 CE Compliance Equipment is generally divided into two classes CLASS A CLASS B Digital equipment meant for light industrial use Digital equipment meant for home use Less restrictive emissions requirement less than 40 dB V m at 10 m 40 dB relative to 1 V m or 300 uV m More restrictive emissions requirement 30 dB pV m at 10 m or 100 pV m These limits apply over the range of 30 230 MHz The limits are 7 dB higher for frequencies above 230 MHz Although the test range goes to 1 GHz the emissions from Rabbit based systems at frequencies above 300 MHz are generally well below background noise levels The OP6800 has been tested and was found to be in conformity with the following applicable immunity and emission standards The OP6810 is also CE qualified as it is a sub version of the OP6800 Boards that are CE compliant have the CE mark NOTE Earlier versions of the OP6800 sold before 2003 that do not have the CE mark are not CE complaint Immunity The OP6800 operator interfaces meet the following EN55024 1998 immunity standards e EN61000 4 2
69. ormation in the STDIO window For the OP6800 the STDIO window should show OP 6800 4 3 2 Demonstration Board The following sample programs are found in the DEMO_BD subdirectory in SAMPLES OP 6800 BUZZER C Demonstrates the use of the buzzer on the Demonstration Board Remem ber to set the jumper across pins 1 2 of header JP1 on the Demonstration Board see Figure C 4 to enable the buzzer on When you finish with BUZZER C it is recom mended that you reconnect the jumper across pins 2 3 of header JP1 on the Demonstra tion Board to disable the buzzer KEYPAD C Flashes the LED above a keypad button when the corresponding keypad button is pressed The corresponding LED on the Demonstration Board will also flash if a keypad button in the top row of the keypad is pressed A message is also displayed on the LCD e SWITCHES C Flashes the LED on the Demonstration Board and the OP6800 when the corresponding pushbutton switch on the Demonstration Board is pressed A mes sage is also displayed on the LCD 30 MiniCom OP6800 4 3 3 Digital I O The following sample programs are found in the I0 subdirectory in SAMPLES OP 6800 e DIGIN C Demonstrates the use of the digital inputs By pressing a pushbutton switch on the Demonstration Board you can view an input channel toggle from HIGH to LOW on your PC monitor The four pushbutton switches correspond to IN00 IN03 on the OP6800 INO4 IN12 can also be toggled by momentarily
70. peat 0 None 92 MiniCom OP6800 cCntLo is a low speed hold tick which is approximately one debounce period or 5 us How long to hold before going to high speed repeat 0 Slow Only cSpdHii is a high speed repeat tick which is approximately one debounce period or 5 us How many times to repeat after low speed repeat 0 None RETURN VALUE None SEE ALSO keyProcess keyGet keypadDef Scans and processes keypad data for key assignment debouncing press and release and repeat NOTE This function is also able to process an 8 x 8 matrix keypad RETURN VALUE None SEE ALSO keyConfig keyGet keypadDef Get next keypress RETURN VALUE The next keypress or 0 if none SEE ALSO keyConfig keyProcess keypadDef Push keypress on top of input queue PARAMETER cKey RETURN VALUE None SEE ALSO keyGet User s Manual 93 Configures the physical layout of the keypad with the desired ASCH return key codes Keypad physical mapping 1 x 7 L U D R E where D represents Down Scroll U represents Up Scroll R represents Right Scroll L represents Left Scroll represents Page Down represents Page Up E represents the ENTER key Example Do the followingfor the above physical vs ASCII return key codes keyConfig 3 R 0 0 0 0 O keyConfig 6 E 0 0 0 0 O keyConfig 2 D 0 0 0 0 O keyConfig 4
71. pixel left column is filled by current pixel type color PARAMETERS left is the top left corner of bitmap must be evenly divisible by 8 otherwise truncates top is the top left corner of the bitmap cols is the number of columns in the window must be evenly divisible by 8 otherwise truncates rows is the number of rows in the window RETURN VALUE None SEE ALSO glHScroll glLeft1l User s Manual 85 Scrolls byte aligned window up one pixel bottom column is filled by current pixel type color PARAMETERS left is the top left corner of bitmap must be evenly divisible by 8 otherwise truncates top is the top left corner of the bitmap cols is the number of columns in the window must be evenly divisible by 8 otherwise truncates rows is the number of rows in the window RETURN VALUE None SEE ALSO glvVScroll glDownl Scrolls byte aligned window down one pixel top column is filled by current pixel type color PARAMETERS left is the top left corner of bitmap must be evenly divisible by 8 otherwise truncates top is the top left corner of the bitmap cols is the number of columns in the window must be evenly divisible by 8 otherwise truncates rows is the number of rows in the window RETURN VALUE None SEE ALSO glvScroll glUp1 86 MiniCom OP6800 Scrolls right or left within the defined window by x number of pixels The opposite edge of the scrolled window will be filled in with white
72. row is displayed The cursor then remains at the end of the string NOTE Execute the TextWindowFrame function before using this function PARAMETERS window is a pointer to a font descriptor fmt is a formatted string are formatted string conversion parameter s EXAMPLE TextPrintf amp TextWindow Test d n count RETURN VALUE None SEE ALSO TextGotoXY TextPutChar TextWindowFrame TextCursorLocation User s Manual 91 D 6 Keypad The functions used to control the keypad are contained in the KEYPAD7 LIB library located in the Dynamic C KEYPADS library directory Initializes keypad process RETURN VALUE None SEE ALSO brdinit Assigns each key with key press and release codes and hold and repeat ticks for auto repeat and debouncing PARAMETERS cRaw is a raw key code index 1x7 keypad matrix with raw key code index assignments in brackets 0 1 2 3 4 5 6 User Keypad Interface cPress is a key press code An 8 bit value is returned when a key is pressed 0 Unused See keypadDef for default press codes cRelease is a key release code An 8 bit value is returned when a key is pressed 0 Unused cCntHold isa hold tick which is approximately one debounce period or 5 us How long to hold before repeating 0 No Repeat cSpdLo is a low speed repeat tick which is approximately one debounce period or 5 us How many times to re
73. s When the programming cable is connected Dynamic C running on the PC can hard reset the OP6800 and cold boot it The cold boot includes compiling and downloading a BIOS program that stays resident while you work If you crash the target Dynamic C will automatically reboot and recompile the BIOS if it senses that a target communication error occurred or that the BIOS source code has changed 4 1 1 Switching Between Program Mode and Run Mode The OP6800 is automatically in Program Mode when the programming cable is attached and is automatically in Run Mode when no programming cable is attached See Figure 18 Program Mode Run Mode sjoo0o0000000000 PLAsOOOd00000000 Colored edge gt Programming Cable To PC COM port RESET OP6800 when changing mode Remove then reapply power after removing or attaching programming cable Figure 18 OP6800 Program Mode and Run Mode Set Up 4 1 2 Detailed Instructions Changing from Program Mode to Run Mode 1 Disconnect the programming cable from header J1 of the OP6800 module 2 Reset the OP6800 by unplugging the AC adapter then plugging it back in The OP6800 is now ready to operate in the Run Mode 4 1 3 Detailed Instructions Changing from Run Mode to Program Mode 1 Attach the programming cable to header J1 of the OP6800 module 2 Reset the OP6800 by unplugging the AC adapter then plugging it back in Alterna tively you may press lt Ctr
74. s how to bezel mount the OP6800 Follow these steps for bezel mount installation 1 Cut mounting holes in the mounting panel in accordance with the recommended dimen sions in Figure 20 then use the bezel faceplate to mount the OP6800 onto the panel 0 125 D 4x is sek A 7 4 re Nc Z Pa N ye M 7 F N F ra w 7 CUTOUT oL 4 N i we NX Pa x Z ge 7 wi ge N r x N Y Ton ae lt gt 0 230 aoe re OO 5 8 oe 2 870 72 9 a 3 100 n 78 8 Figure 20 Recommended Cutout Dimensions 2 Remove the standoffs added to the OP6800 as described in Chapter 2 Getting Started The standoffs were used to prop up the OP6800 beside the Demonstration Board and are not needed to mount the OP6800 3 Carefully drop in the OP6800 with the bezel and gasket attached 44 MiniCom OP6800 4 Fasten the unit with the four 4 40 screws and washers included with the OP6800 If your panel is thick use a 4 40 screw that is approximately 3 16 5 mm longer than the thickness of the panel S OP6800 Bezel Gasket z E A a mi 2 oof ON opli F mi ee a Cail Be E pas 0x Panel f C F Bai pum i Figure 21 OP6800 Mounted in Panel rear
75. s not powered the battery keeps the SRAM memory contents and the real time clock RTC going The SRAM has a powerdown mode that greatly reduces power consumption This powerdown mode is activated by raising the chip select CS signal line Normally the SRAM requires Vcc to operate However only 2 V is required for data retention in powerdown mode Thus when power is removed from the circuit the battery voltage needs to be provided to both the SRAM power pin and to the CS signal line The CS control circuit accomplishes this task for the SRAM s chip select signal line In a powered up condition the CS control circuit must allow the processor s chip select signal CS1 to control the SRAM s CS signal CSRAM So with power applied CSRAM must be the same signal as CS1 and with power removed CSRAM must be held high but only needs to be battery voltage high Q3 and Q4 are MOSFET transistors with com plementary polarity They are both turned on when power is applied to the circuit They allow the CS signal to pass from the processor to the SRAM so that the processor can peri odically access the SRAM When power is removed from the circuit the transistors will turn off and isolate CSRAM from the processor The isolated CSRAM line has a 100 KQ pullup resistor to VRAM R28 This pullup resistor keeps CSRAM at the VRAM voltage level which under no power condition is the backup battery s regulated voltage at a little more than 2 V Tr
76. s on an attached Demon stration Board from the Tool Kit on and off from a remote Web browser In order to run these sample programs edit the IP address as for the pingme program compile the pro gram and start it executing Then bring up your Web browser and enter the following server address http 10 1 1 2 This should bring up the Web page served by the sample program The sample program TELNET C SAMPLES OP6800 TCPIP allows you to communi cate with the OP6800 using the Telnet protocol To run this program edit the IP address compile the program and start it running Run the Telnet program on your PC Start gt Runtelnet 10 1 1 2 Each character you type will be printed in Dynamic C s STDIO window indicating that the board is receiving the characters typed via TCP IP User s Manual 39 5 2 5 LCD Keypad Sample Programs Showing TCP IP Features The following sample programs found in the TCPIP subdirectory in SAMPLES LCD_Keypad 122x32_1x7 are targeted at the Ethernet enabled versions of the OP6800 Remember to configure the IP address netmask and gateway as indicated in the sample programs e MBOXDEMO C This program implements a web server that allows Web e mail messages to be entered that are then shown on the LCD display The keypad allows you to scroll within messages flip to other e mails mark messages as read and delete e mails When a new e mail arrives an LED turns on and turns off once the message has been
77. size In order to prevent danger to life or property it is the responsibility of the system designer to incorporate redundant protective mechanisms appropriate to the risk involved All Z World products are 100 percent functionally tested Additional testing may include visual quality con trol inspections or mechanical defects analyzer inspections Specifications are based on characterization of tested sample units rather than testing over temperature and voltage of each unit Z World products may qualify components to operate within a range of parameters that is different from the manufacturer s recom mended range This strategy is believed to be more economical and effective Additional testing or burn in of an individual unit is available by special arrangement User s Manual 97 98 MiniCom OP6800 INDEX B E L battery connections 58 Ethernet cables c000 35 LCD keypad module DUZZEE ieie irn pasren 65 Ethernet connections 35 contrast adjustment 10 STEDS ascsdissssssateosiscspecsazceensis 35 keypad template 24 C Ethernet port ccccceeceees 22 removing and inserting keypad CE compliance sssccsssssseeeeeee 4 handling EMI and noise 22 Ells E ee 25 design guidelines 5 pinout EE E E 22 M chip select circuit ccce 60 exclusion ZONE oo cece 49 connections F MEMO pekea iara 23 Ethernet cable oe 35 MOGEIS santiere 2 pr
78. the bitmap cols is the number of columns in the window must be evenly divisible by 8 rows is the number of rows in the window nP ix is the number of pixels to scroll within the defined window a negative value will produce a scroll up RETURN VALUE None SEE ALSO glHScroll Draws bitmap in the specified space The data for the bitmap are stored in xmem This function calls g1XPutFastmap automatically if the bitmap is byte aligned the left edge and the width are each evenly divisible by 8 otherwise truncated Any portion of a bitmap image or character that is outside the LCD display area will be clipped PARAMETERS left is the top left corner of the bitmap top is the top left corner of the bitmap width is the width of the bitmap height is the height of the bitmap bitmap is the address of the bitmap in xmem RETURN VALUE None SEE ALSO glXPutFastmap glPrintf 88 MiniCom OP6800 Draws bitmap in the specified space The data for the bitmap are stored in xmem This function is like g1XPutBitmap except that it is faster The restriction is that the bitmap must be byte aligned Any portion of a bitmap image or character that is outside the LCD display area will be clipped PARAMETERS left is the top left corner of the bitmap must be evenly divisible by 8 otherwise truncates top is the top left corner of the bitmap width is the width of the bitmap must be evenly divisible by 8 otherwise truncates h
79. tion that might take place if the pins floated If the clocked serial mode is used the serial port can be driven by having two toggling lines that can be driven and one line that can be sensed This allows a conversation with a device that does not have an asynchronous serial port but that has two output signal lines and one input signal line The line TXA also called PC6 is zero after reset if the cold boot mode is not enabled A possible way to detect the presence of a cable on the programming port is for the cable to connect TXA to one of the SMODE pins and then test for the connection by raising PC6 by configuring it as a general output bit and reading the SMODE pin after the cold boot mode has been disabled The value of the SMODE pin is read from the SPCR register 96 MiniCom OP6800 NOTICE TO USERS Z WORLD PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS UNLESS A SPECIFIC WRITTEN AGREEMENT REGARDING SUCH INTENDED USE IS ENTERED INTO BETWEEN THE CUSTOMER AND Z WORLD PRIOR TO USE Life support devices or systems are devices or systems intended for surgical implantation into the body or to sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling and user s manual can be reasonably expected to result in significant injury No complex software or hardware system is perfect Bugs are always present in a system of any
80. to develop Chapter 3 Subsystems provides a description of the OP6800 s features Chapter 4 Software describes the Dynamic C software libraries and describes the sample pro grams and Chapter 5 Using the TCP IP Features explains the TCP IP features and describes some sample programs User s Manual 13 14 MiniCom OP6800 3 SUBSYSTEMS Chapter 3 describes the principal subsystems for the OP6800 e Digital I O e Serial Communication e Memory Figure 7 shows these Rabbit based subsystems designed into the OP6800 sepe Cae H Input Keypad Ethernet OP6800 onl Display aad RabbitCore Module Figure 7 OP6800 Subsystems User s Manual 15 3 1 Pinouts Figure 8 shows the OP6800 pinouts axe O O o O O O O O O O O O O O O O O O Ox ser O lt gt O z n Ofsi gO jen Oyen O Jeon O zoni O Ison O Jeon O roni O jano Ope O sono O zoLno O so1no O eono O rono O ano Oye 0x Eg ZEEN EErEE ooo0oo0o0o000 oo0o000000 1 pnsnenen n o O oooo0oo0oo0o0000 oooo0oo000000 nensi EDD Ra E amp JO a Onin Figure 8 OP6800 Pino
81. uidelines when mounting an OP6800 l 2 Leave sufficient ventilation space Do not install the OP6800 directly above machinery that radiates a lot of heat for example heaters transformers and high power resistors Leave at least 8 20 cm distance from electric power lines and even more from high voltage devices When installing the OP6800 near devices with strong electrical or magnetic fields such as solenoids allow a least 3 8 cm more if necessary The OP6800 has strong environmental resistance and high reliability but you can maxi mize system reliability by avoiding or eliminating the following conditions at the installa tion site Abrupt temperature changes and condensation Ambient temperatures exceeding a range of 0 C to 50 C Relative humidity exceeding a range of 5 to 95 Strong magnetism or high voltage Corrosive gasses Direct vibration or shock Excessive iron dust or salt Spray from harsh chemicals User s Manual 43 6 2 Mounting Instructions A bezel and a gasket are included with the OP6800 When properly mounted in a panel the bezel of the OP6800 is designed to meet NEMA 4 specifications for water resistance Since the OP6800 employs an LCD display the viewing angle must be considered when mounting the display Install the OP6800 at a height and angle that makes it easy for the operator to see the screen 6 2 1 Bezel Mount Installation This section describes and illustrate
82. uts Header J1 is a standard 2 x 20 header with a nominal 0 1 pitch The OP6800 also has an RJ 45 Ethernet jack on the RabbitCore module MiniCom OP6800 16 3 2 Digital I O 3 2 1 Digital Inputs The OP6800 has eight digital inputs INOO INO7 each with a current limiting resistor of 27 kQ and protected over a range of 36 V to 36 V The inputs are all pulled up to 5 V as shown in Figure 9 IN Microprocessor WN ee T Rabbit 2000 GND Figure 9 OP6800 Digital Inputs The OP6800 also has five digital inputs INO8 IN12 each with a current limiting resistor of 12 KQ protected over a range of 25 V to 25 V and pulled up to 5 V The actual switching threshold for IN00 IN12 is approximately 2 40 V Anything below this value is a logic 0 and anything above is a logic 1 IN13 IN17 are connected in parallel with five of the keypad buttons These inputs are nor mally pulled up but pulling one of these inputs down is the equivalent of pressing the cor responding keypad key remotely Table 2 Remote Keypad Operation Keypad Key Signal Inputs 0 4 IN13 l a IN14 2 7 IN15 3 gt IN16 6 4 INI7 NOTE Remote keypad signal inputs IN13 IN17 are not protected and can only handle a voltage range from 0 to 5 V These inputs were designed solely to facilitate a remote keypad and should not be used for other purposes User s Manual 17 3 2 2 Di
83. view Carefully tighten the screws until the gasket is compressed and the plastic bezel face plate is touching the panel Do not tighten each screw fully before moving on to the next screw Apply only one or two turns to each screw in sequence until all are tightened manually as far as they can be so that the gasket is compressed and the plastic bezel faceplate is touching the panel User s Manual 45 46 MiniCom OP6800 APPENDIX A SPECIFICATIONS Appendix A provides the specifications for the OP6800 and describes the conformal coating User s Manual 47 A 1 Electrical and Mechanical Specifications Figure A 1 shows the mechanical dimensions for the OP6800 oo om 3 00 77 4 50 114 mon s goo amp its ooo a v2 C2 Na tT e om lt 0 N Of 2 m m for Pin 4 lt lt 0 J Ce l lt 3 6 91 Figure A 1 OP6800 Dimensions NOTE All measurements are in inches followed by millimeters enclosed in parentheses Table A 1 provides the pin 1 locations for the OP6800 headers as viewed in Figure A 1 Table A 1 OP6800 Header J1 Pin 1 Locations Header Pin 1 x y Coordinates inches a 2 101 2 720 48 MiniCom OP6800 It is recom
84. witch provides an isola tion between Vcc and the battery when Vcc goes low This prevents the Vcc line from draining the battery VCC VRAM R33 A 00 Q5 FDV302P E 10 kQ R17 Q2 RESET Bik MMBT3904 Figure B 1 VRAM Switch Field effect transistor Q5 is needed to provide a very small voltage drop between Vcc and VRAM lt 100 mV typically 10 mV so that the board components powered by Vcc will not have a significantly different voltage than VRAM When the OP6800 is not in reset the RESET line will be high This turns on Q2 causing its collector to go low This turns on Q5 allowing VRAM to nearly equal Vcc When the OP6800 is in reset the RESET line will go low This turns off Q2 and Q5 pro viding an isolation between Vcc and VRAM B 2 3 Reset Generator The OP6800 module uses a reset generator on the module U1 to reset the Rabbit 2000 microprocessor when the voltage drops below the voltage necessary for reliable operation The reset occurs between 4 50 V and 4 75 V typically 4 63 V User s Manual 59 B 3 Chip Select Circuit Figure B 1 shows a schematic of the chip select circuit located on the OP6800 module VRAM A R28 100 kQ CSRAM Q4 ICS1 Q3 VRAM an SWITCH Figure B 1 Chip Select Circuit RESET_OUT The current drain on the battery in a battery backed circuit must be kept at a minimum When the OP6800 i
85. with Dynamic C provide a full range of serial communications sup port The RS232 LIB library provides a set of circular buffer based serial functions The PACKET LIB library provides packet based serial functions where packets can be delim ited by the 9th bit by transmission gaps or with user defined special characters Both libraries provide blocking functions which do not return until they are finished transmit ting or receiving and nonblocking functions which must be called repeatedly until they are finished For more information see the Dynamic C User s Manual and Technical Note TN213 Rabbit 2000 Serial Port Software Use the following function calls with the OP6800 User interface to set up OP6800 serial communication lines Call this function after serXOpen Whether you are opening one or multiple serial ports this function must be executed after executing the last serXOpen function AND before you start using any of the serial ports This function is non reentrant If Mode 1 is selected CTS RTS flow control is exercised using the serCflowcontrolOn and serCflowcontrolOff functions from the RS232 LIB library PARAMETER mode is the defined serial port configuration Serial Port Mode B Cc D 0 RS 232 3 wire RS 232 3 wire RS 485 1 RS 232 5 wire CTS RTS RS 485 RETURN VALUE 0 if valid mode 1 if not SEE ALSO ser485Tx ser485Rx NOTE Be sure to call serMode before either of the next
86. y be increased to 512K SRAM and 512K flash memory One RJ 45 Ethernet port compliant with IEEE 802 3 standard for 10Base T Ethernet protocol OP6800 only Four serial ports 2 RS 232 or 1 RS 232 with RTS CTS 1 RS 485 and 1 CMOS com patible programming port Battery backable real time clock connection point for external battery included Watchdog Reset generator Meets NEMA 4 watertightness specifications when front panel mounted Remote program downloading and debugging capability via RabbitLink User s Manual 1 Two OP6800 models are available Their standard features are summarized in Table 1 Table 1 OP6800 Models Feature OP6800 OP6810 Microprocessor Rabbit 2000 running at 22 1 MHz Static RAM 128K Flash Memory 256K RJ 45 Ethernet Connector and Yes No Filter Capacitors RabbitCore Module Used RCM2200 RCM2300 Appendix A provides detailed specifications Visit Z World s Web site for up to date information about additional add ons and features as they become available The Web site also has the latest revision of this user s manual 1 3 Development and Evaluation Tools 1 3 1 Tool Kit A Tool Kit contains the hardware essentials you will need to use your OP6800 The items in the Tool Kit and their use are as follows OP6800 User s Manual with schematics this document e Programming cable used to connect your PC serial port to the OP6800 e 12 V AC adapt

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