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NMIN-0803-H6 User Manual

1. J9 J J7 J6 i fA N754410 SN754410 N754410 YO N V J42 113 M4 J3 J4 par J24 Serial J22 Reset Figure 12 Jumpers amp Connectors The features most important to you will be the connectors amp jumpers The following list gives a brief description of each connector and the signals involved NMIN 0803 H6 User Manual 11 J1 Analog inputs and unused Address amp Data lines J2 Additional Power Input pins VIN 5V 3 3V GND use for test points J3 Timers Encoder Interrupts Misc digital inputs J4 JTAG interface connector 14 pin J5 Internal External memory Boot jumper selection Not connected by default J6 11 Optional I O controlled H Bridge Disable Enable jumpers It s not connected by default H Bridges are enable J12 14 H Bridge Output connectors J15 J16 Motor H Bridge Power input connectors J17 19 H Bridge Output connectors J20 21 Optional I O controlled RS 422 485 Receiver enable disable J22 CAN interface connector J23 Optional I O controlled RS 232 transmitter Enable Disable J24 Optional CAN speed I O controlled Not connected by default J25 Optional RS 422 485 interface connector J26 Optional DC power input for CPU circuit J27 Optional I O controlled RS 232 Receiver Enable Disable J28 Optional Serial TTL levels amp 5V amp 3 3V amp GND J29 RS 232 or RS 422 485 Jumper selection for CPU serial input DB1 RS 232 Serial DB9 connector PJ1 CPU power supply input power jack
2. KQ Input output tri state current low IOZL 10 10 uA Input output tri state current low lOZH 10 10 uA Output High Voltage at IOH VOH VDD 0 7 V Output Low Voltage at IOL VOL 0 4 V Output High Current IOH 4 mA Output Low Current IOL 4 mA Input capacitance CIN 8 pF Output capacitance COUT 12 pF PWM pin output source current 1 IOHP 10 mA PWM pin output sink current 2 IOLP 16 mA Total supply current IDDT 3 Run 4 126 162 mA Wait 5 12 98 mA Stop 60 84 mA Low Voltage Interrupt 6 VEI 2 4 2 7 2 9 V Power on Reset 7 VPOR 1 7 2 0 V 1 PWM pin output source current measured with 50 duty cycle 2 PWM pin output sink current measured with 50 duty cycle 3 IDDT IDD IDDA Total supply current for VDD VDDA 4 Run operating IDD measured using 8MHz clock source All inputs 0 2V from rail outputs unloaded All ports configured as inputs measured with all modules enabled 5 Wait IDD measured using external square wave clock source fose 8 MHz into XTAL all inputs 0 2V from rail no DC loads less than 50 pF on all outputs CL 20 pF on EXTAL all ports configured as inputs EXTAL capacitance linearly affects wait IDD measured with PLL enabled 6 Low voltage interrupt monitors the VDDA supply When VDDA drops below VEI value an interrupt is generated For correct operation set VDDA VDD Functionality of the device is guaranteed under t
3. D5 23 24 D4 D3 DS 26 D2 DI 27 28 DO J3 Timers Encoder Digital Inputs Interrupts FAULTAO ZN NYNA 6 8 RRdoNy va 9 ISAO ISA1 15 OVA 18 IRC 3 2 J29 RS 232 RS 422 485 selecttion 1 U2 ROUT 2 UI RXDO 3 U4 ROUT RS 232 Receiver output Jumper on pin 1 amp 2 by default RS 422 485 Receiver output Jumper on Pin 2 amp 3 U3 amp U4 need to be populated 3 3 J22 CAN Connector N C N C N C N C 2 4 6 8 10 1 3 5 7 9 N C N C N C 3 4 J24 CAN Speed Controls 1 2 Unconnected for normal operation by default CAN speed can be controlled by TD2 Pin 1 amp 2 are connected NMIN 0803 H6 User Manual 13 3 5 J4 JTAG connector GND GND GND 2 4 6 8 10 12 14 1 3 5 7 9 11 13 NC 3 6 J25 RS 422 485 Connector NC NC 9 7 5 3 1 10 8 6 4 2 NC NC 3 7 J20 amp J21 RS 422 or RS 485 selection RS 485 configuration Jumper J20 needs to be connected J21 is opened RS 422 configurations Receiver Output always enable Jumper J21 is connected J20 is opened Receiver Output controlled by port TD1 J20 is connected J21 is opened NMIN 0803 H6 User Manual 14 4 CIRCUIT DESCRIPTION The processor chip contains the vast majority of the circuitry The remaining support circuitry is described here The power for the system can be handled several different way but as the board comes CPU power will normal
4. Serial connector labels DB1 Most PC s have a DB9M connector but may be a DB25M on older PC s For newer PC s or laptop which does not have a serial DB9 connection you 1l need a USB to DB9M serial adapter cable Then you ll need the power An AC or DC transformer from 8V to 12VDC with minimum of 300mA or higher is recommended DB1 NMIN 0803 H6 FEMAL AC DC Wall Transformer Figure 2 Power amp Serial Cable NMIN 0803 H6 User Manual 3 1 1 Instructions for Serial Bootloader Users By default the NMIN 0803 H6 comes with the Serial Bootloader program preloaded in the program flash memory This is the most economical way to communicate with the processor without the need of any extra hardware requires To take advantage of the serial bootloader program you 1l need a PC running a terminal program which most PC s are come with Hyper Terminal program when purchase Run the Hyper Terminal program and select an available Comport The communication parameters are set to 115 200 Baud 8 Data Bit None Parity and 1 Stop bit In the ASCII Setting option you must set the Line delay for at least 50ms or longer to provide proper timing for S Record downloading See Figure 3 below for HyperTerm ASCII settings s HyperCOM1 HyperTerminal tt oo 0 x File Edit View Cal Transfer Help D BA DB a HyperCOMI Properties gt 2 xi ConnectTo Settings 2 Function arrow and ctrl keys act as ASCII Setu
5. techsupport newmicros com Email sales questions nmisales newmicros com 11 MECHANICAL Board size is 2 3 x 6 3 DB1 adds 3 to total board length 12 ELECTRICAL Table 1 DSP56F80x Absolute Maximum Ratings Characteristic Symbol Min Max Unit Supply voltage VDD Vss 0 3 Vss 4 0 V All other input voltages excluding Analog inputs VIN Vss 0 3 Vss 5 5V V Analog Inputs ANAx VREF VIN Vss 0 3 VDDA 0 3V V Current drain per pin excluding VDD Vss PWM outputs 10 mA TCS VPP VDDA VSSA Current drain per pin for PWM outputs l 20 mA Junction temperature TJ 150 c Storage temperature range TSTG 55 150 c Table 2 Recommended Operating Conditions Characteristic Symbol Min Max Unit Supply voltage VDD 3 0 3 6 V Ambient operating temperature TA 40 85 c Table 3 DC Electrical Characteristics Operating Conditions Vss Vssa 0 V VDD VDDA 3 0 3 6 V TA 40 to 85 C CL lt 50 pF fop 80 MHz Characteristic Symbol Min Typ Max Unit NMIN 0803 H6 User Manual 23 Input high voltage VIH 2 0 5 5 V Input low voltage VIL 0 3 0 8 V Input current low pullups pulldowns disabled liL 1 _ 1 uA Input current high pullups pulldowns disabled IIH 1 CEN 1 uA Typical pullup or pulldown resistance RPU RPD 30
6. 15200 Data bits 8 Parity None Flow Control None then Okay The ATN signal must be unconnected when using this program There is no option to remotely set and reset the board using the DTR line with this program 8 Suggested Readings IsoMax reference http www newmicros com store product_manual IsoPod pdf DSP56F80x CPU manual http www freescale com files dsp doc user_guide DSP56F801 7UM pdf DSP56F803 Technical data http www freescale com files dsp doc data_sheet DSP56F803 pdf NMIN 0803 H6 User Manual 21 9 Online Resources 9 1 NMIN 0803 H6 website http WWwwW newmicros com csi bin store order cei formzprod detail spart NMIN 0803 H6 9 2 Small C 8 Assembler website http petegray newmicros com 9 3 IsoMax Documents amp Examples http www newmicros com store product_details download html 9 4 Freescale DSP56F801 7 Users Manual http www freescale com files dsp doc user_guide DSP56F801 7UM pdf 9 5 Freescale DSP56F800 Processor Reference Manual http www freescale com files dsp doc ref_manual DSP56800FM pdf 9 6 Freescale DSP56F803 Technical Data http www freescale com files dsp doc data_sheet DSP56F803 pdf NMIN 0803 H6 User Manual 22 10 MANUFACTURER New Micros Inc 1601 Chalk Hill Rd Dallas TX 75212 Tel 214 339 2204 Fax 214 339 1585 Web site http www newmicros com This manual http www newmicros com store product manual NMIN 0803 H6 pdf Email technical guestions
7. Assembler Figure 5 Software Development using Serial Bootloader In this configuration an editor 1s used to write a program on the PC which is then compiled assembled and transferred to the 803 H6 via the RS 232 cable using the Communications Program on the PC and the Serial Bootloader software on the 803 H6 The JTAG cable and Flash Utility not shown are optional NMIN 0803 H6 User Manual 19 7 PC Communication A variety of programs are available which allow a PC to communicate directly with the NMIN 0803 H6 These programs are sometimes referred to as Communications Programs Comms programs or Terminal Programs because some emulate Computer Terminals These programs run on the PC and are used in conjunction with an RS 232 cable also known as a Serial Cable One end of this cable plugs into the PC s COM port and the other end is for the 803 H6 s RS 232 connector DB1 Note The settings given in the following sections are IsoMax and JTAG users only Serial Bootloader users should refer to the relevant sections in this manual for the required settings 7 1 NMITerm Provided Windows terminal program from New Micros Inc Usually provided in a ZIP Un ZIP in a subdirectory such as C NMITerm To start the program click or double click the program icon zA NMITerm LNK NMITerm is a simple Windows based communications package designed for program development on serial port based embedded contr
8. IN 0803 H6 H6leds zip Note this zip file contains the H6leds c source and H6leds s19 S Record Once you have the file unzipped you can download the Srecord file H6leds s19 to the NMIN 0803 H6 flash memory and blink some LED s Press the reset button SW1 to get the serial bootloader prompt c 2000 2001 Motorola Inc S Record loader On the Hyperterminal window click on Transfer and select Send Text File to download the H6leds S19 file It will take a few seconds to load this Srecord file and after the file is loaded the H6leds program will run and display test message on terminal NMIN 0803 H6 User Manual 6 Loaded 0x0392 Program and 0x0045 Data words Application started LED Test ready 1 LED1 ON 2 LED2 ON 6 LED6 ON 0 ALL OFF At this point all LED s are turned off It s part of the program initialization siti M6B M5A To run the remaining test program simply press a number 1 or 2 or 6 to turn on the led s Or press 0 turns all off A sample figure 6 below shows key 2 4 and 6 are M5B pressed M4A M4B To reload a new program simply press the reset button to get the serial bootloader prompt back c 2000 2001 Motorola Inc S Record loader and send your new Srecord file Ob v giNS o o gt gt A Oo Vs OO oe Q e LED1 Q LED3 LED4 LEDS LED Figure 5 LED s Initialize eS M6A M6B M5A M5B M4A M4B Vs Mer Qe Q Y LED1 2 LED3
9. LED4 LED5 LED Figure 6 LED s Ovbycins I OTA A UT PA SRAGOMA Note After you press the reset button there will be a 10 seconds delay period allows you to load your new Srecord file If 10 seconds delay is expired with no Srecord file being sent then the program previously loaded in the NMIN 0803 H6 flash memory will run Press reset again when you are ready to load NMIN 0803 H6 User Manual 7 1 2 Instructions for IsoMax Users IsoMax language can be purchased as your option and it must load through JTAG interface The IsoMax will be loaded at the manufacture if you purchase the license fee at the time you order the hardware Or you can load or upgrade firmware by yourself at anytime with the IsoMax Srecord file and Jtag cable The IsoMax license and Jtag order information are available online http www newmicros com cgi bin store order cgi form prod_detail amp part IsoMax 5BPod 5D Once you have the IsoMax language loaded on your NMIN 0803 H6 you must configure the NMITerm baud rate for 115 200 and the ASCII setting as shown in figure 7 below for the IsoMax to communicate te properly with the NMITerm program A JNMITerm Version 0 9 84 Dene A eae ee loj x File Edit View Options Window Help Ci S e aa v nE AL glag ga u Z iu Options Rs Terminal Serial COM Port ASCII Setting Doc Editor Setting ASCII Sending IV Clear the Terminal Window buffer before sending J
10. NMIN 0803 H6 User Manual DSP65F803 Controller Board with Three 1A Quadruple Half H Driver Warranty New Micros Inc warrants its products against defects in materials and workmanship for a period of 90 days If you discover a defect New Micros Inc will at its option repair replace or refund the purchase price Simply call our sales department for an RMA number write it on the label and return the product with a description of the problem We will return your product or its replacement using the same shipping method used to ship the product to New Micros Inc for instance if you ship your product via overnight express we will do the same This warranty does not apply if the product has been modified or damaged by accident abuse or misuse Copyrights and Trademarks Copyright 2002 by New Micros Inc All rights reserved NMIN 0803 H6 IsoMax and Virtually Parallel Machine Architecture are trademarks of New Micros Inc Windows is a registered trademark of Microsoft Corporation 1 wire is a registered trademark of Dallas Semiconductor Other brand and product names are trademarks or registered trademarks of their respective holders Disclaimer of Liability New Micros Inc is not responsible for special incidental or consequential damages resulting from any breach of warranty or under any legal theory including lost profits downtime goodwill damage to or replacement of equipment or property and any costs of re
11. Send line end with line feed LF Line Delay S ms Character Delay 0 ms ASCII Receiving Wrap lines that exceed 60 characters 0 terminal width Character Pacing Line Pacing 10 DEC a HEX E Sci Port 1 1152 Cancel ee AI SCRL caps NUM 4 5 22 2005 450PM 4 Figure 7 NMITerm ASCII Setting for IsoMax When the power is applied before any user program is loaded the PC terminal program should show TsoMax V0 6 or latest production version If the LED s don t light and the screen doesn t show the message unplug the power to the NMIN 0803 H6 Check the power connections If the LED s come on but there is no NMIN 0803 H6 User Manual 8 communication check the terminal program baud rate setting Check the serial connections If you have no success see the trouble shooting section of this manual and then contact technical support for help before going further Do not leave power on the board for more than a few seconds if it does not appear to be operational Normally at this point you will see the prompt on the computer screen Odds are you re there Congratulations Now let s do something interactive with the NMIN 0803 H6 In the terminal program on the PC type in WORDS all in caps as the language is case sensitive and then hit Enter A stream of words in the language should now scroll up the screen Good we re making progress Y
12. The table above explains the type of connection that can be made to each of the connectors The power reset and ground can be used externally for various applications Most of the connectors are single or dual or triple row male headers Connection can be made with female headers with crimped wire inserts or IDC headers with soldered or cabled wires Signals were put on separate connectors where possible such as with the RS 232 the Can Bus PWM connectors and Data Address line for future memory expansion The male headers allow insertion of individually hand crimped wires in connectors where signals are combined The large chip at the center of the board is the CPU DSP56F803 The six LED s Red Yellow and Green are along the bottom of the CPU can be used as user control or for H Bridges enable disable indications Three 1A Dual H Bridge SN754410 use to drive small DC motors are located on the bottom of the board Onboard 5V amp 3 3V voltage regulators These regulators can handle up to 1A when use with proper heat sink A few smaller chips are also on the board the RS 232 transceiver and the LED driver CAN driver and a handful of resistors and capacitors NMIN 0803 H6 User Manual 12 3 VO CONNECTORS 3 1 J1 Analog inputs and spare Data amp Address lines VDD 1 2 VSS 3 4 5 6 7 8 9 10 11 12 D15 13 14 D14 D13 15 16 D12 Dil 17 18 D10 D9 19 20 D8 D7 21 DY D6
13. Window buffer before sending I Send line end with line feed LF Line Delay 50 ms Character Delay 0 ms ASCII Receiving JV Wrap lines that exceed 80 characters 0 terminal width Character Pacing 4 inboxes DEC fo HEX 501 Cancel Apply S sf 7 22 2005 11 03 4M 4 Figure 4 NMITerm ASCII Setting for Serial Booloader Now while watching the LED s plug in the wall transformer connector to the power jack PJ1 on the NMIN 0803 H6 board All six LEDs should come on If the LED s do not light unplug the power to the NMIN 0803 H6 guickly and do a guick check around to make sure the board is not placing on any conductive material and use proper rating wall transformer or power supply NMIN 0803 H6 User Manual 5 Figure 5 H Bridges amp LEDs Section When you connect the power to the board all LED s are on and a serial bootloader prompt will be displayed on the terminal program c 2000 2001 Motorola Inc S Record loader Now press any key other than S it will respond with Error 0002 Restarting c 2000 2001 Motorola Inc S Record loader The error message is generated since the Serial Bootloader is looking for character S as a leading character on each line of the S Record input file The good news is seeing this means the NMIN 0803 H6 is communicating Let s download a test S Record file from the link below http www newmicros com download NM
14. covering reprogramming or reproducing any data stored in or used with New Micros Inc products Internet Access Web site http www newmicros com This manual http www newmicros com store product_manual NMIN 0803 H6 pdf Email technical questions techsupport newmicros com Email sales questions nmisales newmicros com Also see Manufacturer information near the end of this manual Internet NMIN 0803 H6 Discussion List We maintain the NMIN 0803 H6 discussion list on our web site Members can have all questions and answers forwarded to them It s a way to discuss NMIN 0803 H6 issues To subscribe to the NMIN 0803 H6 list visit the Discussion section of the New Micros Inc website This manual is valid with the following software and firmware versions c 2000 2001 Motorola Inc S Record loader If you have any questions about what you need to upgrade your product please contact New Micros Inc NMIN 0803 H6 User Manual 2 1 GETTING STARTED Thank you for buying the NMIN 0803 H6 We hope you will find the NMIN 0803 H6 to be useful controller board we intended it to be and easy to use as possible Let s skip the features and get right to the operation Once we ve got communications then we can make some lights blink and know for sure that we re in business Le s make this NMIN 0803 H6 board talk to us Connect a straight through serial cable DB9F to DB9M from your PC to the NMIN 0803 H6
15. klax Cther Devices Figure 3 Software Development using IsoMax In this configuration the PC user runs a program which communicates with IsoMax via the RS 232 cable This allows interactive software development and testing Details of IsoMax can be found on NMI s website 6 3 Compiler amp Assembler Using this method software is developed on the PC and transferred to the 803 H6 using either the RS 232 serial cable or a JTAG cable Note that the diagrams below show the components required for each scheme Additional components are optional 6 3 1 With JTAG NMIN 0803 H6 User Manual 18 803 Mini Editor Compiler Assembler JTAG cable Cther Devices Flash Utility Figure 4 Software Development using JTAG In this configuration an editor is used to write a program on the PC which is then compiled assembled and transferred to the 803 H6 via the JTAG cable using a Flash Utility on the PC The RS 232 cable and communications program not shown are optional The JTAG cable plugs into the PC s parallel port and J6 on the 803 H6 board However the Windows Operating System does not allow a normal user program like the Flash Utility to directly control the computer s hardware i e the parallel port so a utility must be used which permits this such as UserPort 6 3 2 With Serial Bootloader PC 803 Mini Comms Program RS232 cable Serial Bootloader Editor Compiler Other Devices
16. lways the first thing to check in case of trouble is checking power and ground are present Measuring these with a voltmeter can save hours of head scratching from overlooking the obvious After power and ground signal connections should be checked next If the serial cable comes loose on either end using your PC to debug your program just won t help Also if your terminal program has locked up you can experience some very quiet results Don t overlook these sources of frustrating delays when looking for a problem They are easy to check and will make a monkey of you more times than not if you ignore them One of the great advantages of having an interactive language embedded in a processor is if communications can be established then program tools can be built to test operations If the RS 232 channel is not in use in your application or if it can be optionally assigned to debugging talking to the board through the language will provide a wealth of debugging information The LED s can be wonderful windows to show operation This takes some planning in design of the program A clever user will make good use of these little light Even if the RS 232 channel is in use in your application and not available for debugging don t overlook the LED s as a way to follow program execution looking for problems The NMIN 0803 H6 is designed so no soldering to the board should be required and the practice of soldering to the board is n
17. ly be supplied from the PJ1 power jack with either AC or DC supply A wall transformer output from 8V to 12V at 300mA or higher is suggested 4 1 RS 232 Levels Translation The MAX3221 6 7 converts the 3 3V supply to the voltages necessary to drive the RS 232 interface Power shutdown feature is provided using the I O s control signals PE2 and TDI By default the Max3221 is configured for normal operation with the pull up down resistors installed on ForceOff En pin respectively More information on power shutdown please see the link below http pd serv maxim ic com arpdi MAX3221 MAX3243 pdf 4 2 CANBUS Levels Translation The CAN transceiver is configured for high speed mode at default To use the speed control jumper J24 must connected Where an I O port TD2 is assigned to use for this purpose TD2 turns OFF ON to toggle between the high speed mode and the silence mode respectively Please see the link below for more info on CAN transceiver TJA 1050 http www nxp com acrobat_download datasheets TJA1050_4 pdf 4 3 LED s An 74AC05 drives the on board LED s Each LED has a current limiting resistor to the 3 3V supply PAO 5 are assigned for the LED s control Output a high signal on port pin will turn on the LED And output low on port pin will turn off the LED http focus ti com lit ds symlink cd74ac05 pdf 4 4 RESET A S80728HN Low Voltage Detector asserts reset when the voltage is below operating levels This prevents br
18. ollers It runs under Windows NMITerm provides Support for COMI through COM16 Baud rates from 110 through 256000 Control over RTS and DTR lines Capture files which record all terminal activity to disk Scroll back buffer editable and savable as a file On line Programmer s Editor File downloader Programmable function keys 0 HV DV U BOND H ouick start commands 1 Baud default 115200 2 DTR On Off ALT T 3 Download ALT D For further information use the F1 Help screen This program can be downloaded from http www newmicros com download NMITerm zip NMIN 0803 H6 User Manual 20 7 2 HyperTerminal Usually provided in Programs Accessories Communications Hyper Terminal If not present it can be loaded from the Windows installation disk Use Add Remove Software feature in Settings Control Panel choose Windows Setup choose Communications click on Hyperterm then Okay and Okay Follow any instructions to add additional features to windows Ea Hypertrm exe C Program Files Accessories HyperTerminal Run HyperTerminal select an icon that pleases you and give the new connection a name such as H3803 Now in the Connect To dialog box in the bottom Connect Using line select the communications port you wish to use with Direct Com1 Direct Com2 Direct Com3 Direct Com4 as appropriate then Okay In the COMx Dialog box which follows set up the port as follows Bits per second 1
19. ot recommended Instead all signals are brought to connectors So the best trouble shooting technique would be to unplug the NMIN 0803 H6 and try to operate it separately with a known good serial cable on power supply If the original connections have been tested to assure no out of range voltages are present a second NMIN 0803 H6 can then be programmed and plugged into the circuit in question But don t be too anxious to take this step If the first NMIN 0803 H6 should be burned out you really want to be sure you know what caused it before sacrificing another one in the same circuit Finally for advanced users the JTAG connection can give trace single step and memory examination information with the use of special debugging hardware This level of access is beyond the expected average user of the NMIN 0803 H6 and will not be addressed in this manual NMIN 0803 H6 User Manual 17 6 Embedded Software Development 6 1 Overview 803 Mini Comms Program R5232 cable IsoMax or Serial Bootloader Cther Devices Editor Compiler Assembler JTAG cable Flash Utility Figure 2 Embedded Software Development Overview This diagram shows all of the components available for embedded software development Note that not all of the components will be used depending upon the scheme adopted by the developer These schemes and the required components are detailed below 6 2 IsoMax 803 Mini R5232 cable Comms Program so
20. ou are now talking interactively with the IsoMax language in the NMIN 0803 H6 Figure 8 H Bridges amp LEDs Section With the IsoMax language installed You can interactively typing the commands to blink the LED s LED1 6 are controlled by the port lines PAO 5 respectively To turn the LED1 off on Type PAO OFF or PAO ON NMIN 0803 H6 User Manual 9 A nm A M6A 4 wo wo o M6B Va msa 7 on wi on rs 5 gt M5B Z ar M4A 7 7 maB 7 Vs eal pazi Vs S oe010e0 E i55 LED2 LED3 LEDs LEDS LED Figure 9 LED1 off Turn off on LED3 type PA2 OFF or PA2 ON 1A perg pizu A MGA P 1B no wo rep M6B Kegs a z a7 on on on 28 S gt rg MS5B Z gt M3A 2 MA Z o oO o M4B M3B Vs A Vs Pe No 0e 0 LED1 LED2 LED3 L D5 LED Figure 10 LED3 off Turn off on LEDS type PA4 OFF or PA4 ON NMIN 0803 H6 User Manual 10 1A eg pesni EEA MGA 4 s PM je a me A a H si AN oi oi ol 2 ORS GAL 4 ma 5 E mal oO oO M3B M4B 4 Vs El zov TEE Vs sA m e LED3 LED4 LEDS S Figure 11 Green LEDS off Seeing the LED s responded to IsoMax commands you should have a good feeling because you can tell your NMIN 0803 H6 is working It s time for an overview of what your NMIN 0803 H6 has for features 2 QUICK TOUR Start by comparing your board to the diagram below Most of the important features on the top board are labeled 426 Re gulators
21. own out runaway and a power on reset function http www seiko instruments de documents ic_documents power_e s807_e pdf 4 5 H BRIDGE Drivers There are three SN754410 quadruple high current half H driver on the NMIN 0803 H6 The SN754410 is a quadruple high current half H driver designed to provide bidirectional drive currents up to 1 A at voltages from 4 5 V to 36 V The device 1s designed to drive inductive loads such as relays solenoids dc and bipolar stepping motors as well as other high current high voltage loads in positive supply applications NMIN 0803 H6 User Manual 15 See link below for more info on the H Bridge SN754410 http focus ti com lit ds symlink sn754410 pdf 4 6 POWER SUPPLY A MC7805 provides 5V power for CAN bus driver Quadrature Encoder H Bridges digital circuit supply and to drop the 5V to the 3 3V needed for the processor and leds Also at full current 270 mA these two regulators will get warm They can provide current to external circuits if care is taken to keep them cool Each are rated at 1A but will have to have heat sinking added to run there 5V regulator data sheet http Awww onsemi com pub Collateral MC7800 D PDF 3 3V regulator data sheet http Awww national com ds LM LM3940 paf NMIN 0803 H6 User Manual 16 5 TROUBLE SHOOTING There are no user serviceable parts on the NMIN 0803 H6 If connections are made correctly operation should follow or there are serious problems on the board As a
22. p A 2 xl Terminal keys Windows keys ASCII Sending Send line ends with line feeds Backspace key sends CtkH Del Ctr H Space Ctrl H Echo typed characters locally Line delay 5 milliseconds Emulation ANSI Terminal Setup Colors Character delay 0 cartel Telnet terminal ID ANSI ASCII Receiving Backscroll buffer lines 500 2 J Append line feeds to incoming line ends Force incoming data to 7 bit ASCII IV Wrap lines that exceed terminal width Play sound when connecting or disconnecting Exit program upon disconnecting ASCII Setup 3 OK Cancel 4 gt Connected 0 02 15 ANSI 115200 8 N 1 SCROLL CAPS NUM Capture Printecha 4 Figure 3 Hyper Terminal ASCII Setting for Serial Bootloader NMIN 0803 H6 User Manual 4 Alternately If you do not have the Hyper Terminal program You can download the NMITerm program provided on NMI web site http www newmicros com download software NMI NMITerm zip The same as the Hyper Terminal Settings The communication parameters are set to 115 200 Baud 8 Data Bit None Parity and 1 Stop bit Line delay must set for at least 50ms or longer See Figure 4 for NMITerm ASCII settings A NMITerm ersion 0 9 8 SS OS a 0 x File Edit View Options Window Help n slale lees 1 ali Als s ea ol olw SIA Z iu Options Ey S i ASCII Setting m ASCII Sending 2 JV Clear the Terminal
23. ransient conditions when VDDA gt VEI 7 Power on reset occurs whenever the internally regulated 2 5V digital supply drops below VPOR While power is ramping up this signal remains active for as long as the internal 2 5V supply is below 1 5V no matter how long the ramp up rate is The internally regulated voltage is typically 100 mV less than VDD during ramp up until 2 5V is reached at which time it self regulates NMIN 0803 H6 User Manual 24

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