User`s Guide - Freescale Semiconductor
Contents
1. 10 Figure 2 PWR SEE Jumper 10 Figure J CONI GOnDOCIOE cen 13 Figure 4 COM MODE 13 Figure 5 COM_SEL paese teo paese DOO cue qu 14 Figure 6 LIN Connector 14 Figure V CAN BUS 14 Figure 8 _ Jumper oo oer 15 Figure 9 EN Jumper Setting 15 Figure 10 MONOS ori GOM Setup e eteteteesterste este tete esterne este Ente evbe ente este Ene pte ente Este 15 Figure 11 MONOS Port Setup uc iE NE Mus 16 Figure 12 MONOS Port Connector oer 16 Table of Tables Table 1 MCU IO 12 Table 2 COM Connections 0 0 0 0 0 13 Table 3 USER_EN Option Settings at 17 DEMO908RG60 AUGUST 6 2004 CAUTIONARY NOTES 1 Electrostatic Disch2. 11 CORRECTIONS 11 COMMUNICATIONS a ica t eite tec e t e oy ta te 12 RS 232 v fi Pp deve 12 EQ ROI T MC TT TTE 13 SeIecbJUTHDOl aste ete e 13 LIN 1 sss nnn gas 14 CAN COMMUNICA HONS atn itid id xe Da NE E ca cedi 14 MONO8 5 14 MONO8 4040 4 15 amp Me LUUD I UI UE nae 16 JUSER COMPONENTS tede ote tet ode e Ee eae Ete de eta te ote fete ete ro d 16 Fushbulton SWHCHES sesta aea rnb S ania mee tien RE 17 M 17 PeOtenomeler s e d 17 Habd hHotDb elle 2 deii 17 APPENDIX Au atus Pans watts Gay pave SUED e TU o QU DLL OIN CORR CO du ERU AA UE 18 OF MATR RM re rt ttem tL mined od 18 DEMO908RG60 AUGUST 6 2004 Table of Figures Figure 1 Terminal Block
3. B1 Terminal Block Module provides 5VDC output at pin J1 for use by external circuits NOTE Power output from the module is limited by the 250 mA maximum out put of the on board voltage regulator NOTE External circuit connected to J1 should limit current flow to less than 50 mA to prevent current limiting the power supply 10 DEMO908RG60 AUGUST 6 2004 Power Switch A Power Switch PWR SW has been provided between the input Terminal Block and the volt age regulator to allow the user to turn the board on and off The Power Switch connects or disconnects only power applied to the terminal block Voltage applied to connector J1 is not affected by this switch Reset Switch The RESET switch provides a method to apply an asynchronous reset to the module Press ing the RESET switch applies a low voltage level to the RST input A resistor tied to the high voltage rail prevents spurious RESET input to the MCU A capacitor tied to ground holds the signal line low for a sufficient amount of time Timing An 8 MHz ceramic resonator at Y1 provides timing to the DEMO908GZ60 This allows de fault 4 0 MHz internal operating frequency Using the embedded PLL the internal bus fre quency can be increased to a maximum of 8 MHz The resonator output is routed to the MCU only and is not available at connector J1 Connectors 1 and J 2 Connectors J1 and J2 40 pin surface mount socket headers mounted o
4. Flow control is provided 7 RTS at test points on the module RXD 3 8 CTS Pins 1 4 and 6 are connected together for NULL status to the host 4 9 NC GND The communications mode of the COM port is determined by the COM SEL jumper This 3 pin jumper allows the user to select between SCI serial communications and single wire 8 communications Figure 4 COM MODE Jumper RS 232 Communications on COM COM Enabled MON MONO8 on Port PTAO Communica tions on COM Enabled COM Select J umper The COM SEL jumper selects between the RS 232 protocol or the LIN protocol on the MCU SCI port 13 DEMO908RG60 AUGUST 6 2004 Figure 5 COM SEL Jumper COM Cit Select RS 232 Serial Communications on COM LIN Select LIN Serial Communications through Con1 and Con2 C COM C LIN LIN Communications The DEMO908GZ60 implements a single Local Interconnect Network LIN interface on the ESCI port The LIN physical interface consists of a MC33661 transceiver at U5 and 2 4 position Molex Mini Fit connectors at CON1 and CON2 The LIN interface supports data transmission speeds up to 20 kbps The LIN interface is configured in a Master Slave con figuration with a single master controlling multiple slaves Figure 6 LIN Connector CON1 CON2 LIN Bus m GND m GND NOTE Signal assignment looking into connector on PCB Mating Connector Mo
5. evaluation copy of a C compiler may also be provided A powerful source code generation tool called DriveWay is also provided on the support CD This can generate C source code for the HC08 microcontroller peripherals based on setup See the DriveWay readme txt file for more information MEMORY MAP 0x0000 X Registers 64 bytes 0x0040 0x043F RAM 1 1024 bytes Registers 34 bytes 0x0462 Flash 2 158 bytes 0x0500 0x057F MSCAN 128 bytes 0x0580 0x097F RAM 2 1024 bytes 0x0980 0x1B7F Flash 2 4608 bytes Reserved 0x1E00 Ox1EOF Monitor ROM 16 bytes Reserved 0x1E20 Ox7FFF Flash 2 24 5K bytes 0x8000 OxEDFF Flash 1 31 5K bytes Status and Control 15 bytes OxFEOF Unimplemented OxFE1F OxFE20 Monitor ROM 352 bytes OxFF80 OxFF88 Flash Control 8 bytes OxFF89 Reserved OxFFCB OxFFCC OxFFFF Vectors 52 bytes NOTE The memory map above generally describes the MCU Memory Map Refer to the 68HC908GZ60 documentation for a detailed memory map DEMO908RG60 AUGUST 6 2004 OPERATION The DEMO908GZ60 module provides input and output features to assist in microcontroller ap plication development The user has access to MCU ports through connectors J1 and J2 Each connector is a 40 position pass through socket type connector mounted on the bottom of the module Insertion of pin headers is possible from the top or bottom
6. mA typical 6 to 16VDC DEMO908RG60 AUGUST 6 2004 Reference Documentation Reference documents are provided on the support CD in Acrobat Reader format DEMO908GZ60 SCH C pdf DEMO908GZ60 Module Schematic Rev C DEMO908GZ60 UG pdf DEMO908GZ60 User Guide this document MC68HC908GZ960 D pdf 68HC908GZ60 Device User Guide See the HC08 Support CD provided with this board for all the documentation and support files provided GETTING STARTED The DEMO908GZ60 Module operates in two basic Modes Run Mode MONO8 Debug Mode Run Mode supports user application operation from Power On or Reset condition MONOS8 Debug Mode supports the development and debug of applications via the 08 embedded debug monitor See the related sections below for quickly starting the module in the desired operation mode The Module may be operating a Demonstration DEMO program when shipped from the factory so the Module kit contents will include a Quick Start document explaining the operation of the Demonstration program The demo program operates in RUN Mode The module must be powered to operate The 5V will light when the board is powered from the on board regulator or if the board is setup to provide power to an external circuit through connector J1 The 5V LED should not light when the board is powered through connector J1 If it does the PWR SEL jumper is incorrectly configured and may result in damage to the on board regulator Refer to th
7. through the COM port is enabled by the COM SEL the MON EN VTST EN option jumpers This allows 08 debugging without the expense of a 3 party MONO8 pod The table below shows the selection settings for the COM SEL jumper MCU supports monitor mode communications at 7200 bps MONOS Configuration The following group of figures show the setting necessary to configure the DEMO908GZ60 for monitor mode The MON EN jumper setting enable communication between the COM port and the MCU MONDOS port The VTST EN jumper provides the high voltage necessary to force the MCU to monitor mode The COM SEL jumper disables the RS 232 interface to pre vent corrupting the serial data stream Figure 8 MON EN Jumper Setting ON MONDOS Monitor Mode Signaling Enabled OFF MONOS Monitor Mode Signaling Disabled Figure 9 VTST EN Jumper Setting ON IRQ signal line set to 8 2V MONOS8 monitor mode force entry enabled signal pulled up to Vbo MONO8 monitor mode available if Reset vector is erased NOTE To utilize the MONO8 monitor mode the input voltage must exceed 9 0VDC The following table details the settings necessary to configure the MCU for 8 monitor mode operation via the COM port Figure 10 08 COM Setup MON EN ON MONOS Signaling Enabled VTST EN ON Force 08 Moni
8. 0 INC PTA1 KBD1 AD9 11 12 PTB1 AD1 1 51 52 NC PTDA T1CHO 13 14 PTB2 AD2 PTF2 53 54 NC PTD5 T1CH1 15 16 PTB3 AD3 PTF3 55 56 NC PTD2 MOSI 17 18 PTB4 AD4 PTF4 T2CH2 57 58 INC PTD1 MISO 19 20 PTB5 AD5 PTF5 T2CH3 59 60 NC PTD3 SPSCK 21 22 PTB6 AD6 PTF6 T2CH4 61 62 PTDO SS MCLK 23 24 PTB7 AD7 PTF7 T2CH5 63 64 NC 2 25 26 PTCO CANTX PTGO AD16 65 66 NC PCT3 27 28 PTC1 CANRX PTG1 AD17 67 68 NC PCT4 29 30 PTA24 KBD4 PTG2 AD18 69 70 NC 5 31 32 PTA5 KBD5 AD13 PTG3 AD19 71 72 NC PCT6 33 34 PTD6 T2CHO 20 73 74 INC 2 35 36 PTD7 T2CH1 PTG5 AD21 75 76 NC 37 38 PTA6 KBD6 AD14 PTG6 AD22 77 78 NC PTE4 39 40 PTA7 KBD7 AD15 PTG7 AD23 79 80 NC Communications The DEMO908GZ60 module provides a single serial communications port and a single CAN communications port The Enhanced SCI port supports both RS 232 and Local Interconnect Network LIN protocols An option jumper COM SEL selects between the communications protocol implemented The CAN port utilizes a direct data connection to the MCU and pro vides a 3 pin header to connect off board circuits RS 232 Communications An RS 232 translator U2 provides RS 232 signal level to TTL CMOS logic level translation on the COM port Signals TXD and RXD are routed between the transceiver and the MCU These signals are also routed to connector J1 RS 232 commun
9. 0 module for 08 Debug Mode on COM 1 Configure PWR SEL option for input supply to power the module If supply is J1 con nection install module on J1 external connection in powered down condition Note that the VTST_EN option requires 9VDC minimum applied at TB1 to function correctly 2 Connect one end of the supplied 9 pin serial cable to a free COM port on the PC Connect the other end of the cable to the COM port connector on the DEMO908GZ60 module 3 Install and launch the PC Hosting software for the MONO8 communication interface This may be C compiler with IDE and MONO8 communication or another MONOS debug host ing type software 4 Setthe Module options for 08 Debug Mode VTST EN ON Installed on both pins required if the Reset vector is not erased in the flash memory MON EN ON Installed on both pins COM EN 1 2 DEBUG position USER EN Enabled as needed for application operation 5 Apply 9VDC minimum power to the module This may be applied by TB1 or through J1 6 Hosting development software will establish MONO8 communication now DEMO908RG60 AUGUST 6 2004 Software Development Software development will require the use of an HC08 assembler or compiler a host PC operating a MONO8 debug interface Supplied with this board is the Motorola MCUez HC08 assembler tools along with the Axiom MONOS IDE for Windows for Debugging and Flash pro gramming A demonstration or
10. 5 0805 R8 R10 R23 R28 R29 R34 p R35 R36 R39 11 1 Res Carbon 20K ohm 596 0805 R38 12 Res Carbon 33K ohm 5 1 16W 0805 6 00221 Res Carbon 100K ohm 5 1 16w 0805 R14 R15 R16 R17 R30 R31 LOUER R37 Panasonic EFO S8004E5 1 Resonator Cer 8 00MHz w Caps 3Pos SMT Diode Zener 8 2V 5 225mW SOT23 21 1 Diode Schottky 30V 200mA BAT54C Com D4 General Sem Cathode SOT23 18 DEMO908RG60 AUGUST 6 2004 ru pu LED6 LED7 LED8 5V 0805 Ind 10uH 1076 1210 L1 Vishay 12105 100 35 2 Conn 2x20 Socket Pass Thru 1 Bottom J1 J2 Samtec SSM 120 L DV BE K A Entry SMT 37 1 Dsub 9P F RA PCBMount 1 02 38 2fConn Mini fit 4 position RA thu O 39 2 Conn 1 2 Pin Header 1 Ctr MON_EN VTST EN o T Conn 1x3 Pin Header 1 Ctr Thru PORT Conn 2x2 Pin Header 1 Ctr Thru 42 1 Conn 2x3 Pin Header 1 Ctr DOM SEL Conn 2x6 Pin Header 1 Ctr Thru USEREN Conn 2x8 Pin Header 1 Ctr Thru 17 45 4 Hdw Standoff 250x375 Hex Alum Keystone 22 O 46 4 Hdw Screw 4 40 3 18 5 47 Shunt 2Pos 1 48 1 PCB DEMO908GZ60 2layen 32x22 24 1 25 26 27 28 29 30 31 32 19
11. DEMO908GZ60 Demonstration Module for Freescale 68HC908GZ60 Axiom Manufacturing 2813 Industrial Lane Garland TX 75041 Email Sales axman com Web http www axman com DEMO908RG60 AUGUST 6 2004 CONTENTS CAUTIONARY NOTES 4 Am 4 FEATURES axe vlr eR lor d Cni b i a ASI 5 REFERENCE DOCUMENTATION eeeessseen 6 GETTING STARTED 6 RUN MODE 6 MONO8 DEBUG MODE 7 SOFTWARE DEVELOPMENT 0404400000 8 MEMORY ev Cuba RC EUREN E 8 OPERATION adu INE 9 SUPBEY td inti dini dnd aded nde nid 9 SR M 9 UIDI eco ene m mp res bad pta os pa 10 POWER SWIETOL ist ot tomm maa cia 11 RESET SWITCH usps EID EO UE EI IL D 11 TMIN Gia
12. RIS e 60K Byte Flash ee eee Oo C e 2K Bytes Ram soh M e 53 I O lines 13 Dedicated 8 e 16 bit 2 Ch Timer w IC OC PWM 586 5 ZO e 16 bit 6 Ch Timer w IC OC PWM 09 E O _ e SCl and SPI Communications Ports OFF B USER EN 5V 8Key Board Wake up Ports B ADC VUE mus E E SEL e AMhz Internal Bus Operation Ff 0 E e Regulated 5V power supply 109 OO DEM 0908 OQ QOO e Power Input Selection Jumper 1 0000 e Optional power input from Connector J1 e Optional power output through Connector J1 OC ly 8MHz Ceramic Resonator NK Ye e RS 232 COM Serial Port w DB9 Connector e LED2 e Optional 8 Interface through COM Port e User Components Provided RUN LOAD 3Push Switches 2 User Reset x 3 LED Indicators 2 User 5V e Run Load Slide Switch e On Off Slide Switch e Option Jumpers Enable User Component Power Select OSC_SEL COM_SEL MON_EN VTST_EN e Connectors e 2 40 MCU I O Connector stack through type e 2 Position Screw type Power Input Terminal Block 08 Debug Cable Header DB9 Serial COM Connector e Supplied with DB9 Serial Cable Documentation CD and Manual Specifications Module Size 2 45 x 3 1 Power Input 9VDC 200
13. T_EN meum ON OFF On if VTST Voltage not supplied by MONO8 Pod Else Don t Care COM MODE RS 232 Signaling Enabled COM NOTE f powered externally 9VDC must be applied and VTST EN jumper must be installed Else the board may be powered from the MONO8 Pod and VTST EN is DON T CARE USER Components The DEMO908GZ60 provides 2 user push switches 2 user LED indicators a potentiometer and photocell circuit for user applications USER EN option jumper allows each option to be enabled or disabled individually To enable a user option simply install the appropriate jumper Remove the jumper to disable an option 16 DEMO908RG60 Table 3 USER EN Option Settings AUGUST 6 2004 Jumper On Off MCU PORT User 1 Enable SW1 Disable SW1 PTC6 U1 45 User 2 Enable SW2 Disable SW2 PTC5 U1 44 User 3 Enable LED1 Disable LED1 PTFO U1 8 User 4 Enable LED2 Disable LED2 PTF1 U1 9 User 5 Enable POT Disable POT 2 01 32 User 6 Enable SENSOR Disable SENSOR PTB3 01 33 Pushbutton Switches Two push button switches provide momentary active low input for user applications SW1 SW2 are enabled to the HC08 l O ports by the USER option bank SW1 SW2 provide in put to 8 I O ports PTC6 and PTC5 respectively LED Indicators Indicators LED1 and LED2 are enabled from 8 I O ports by the USER EN option The LED indicators are active low and illuminate when a logic
14. arge ESD prevention measures should be used when handling this product ESD damage is not a warranty repair item 2 Axiom Manufacturing does not assume any liability arising out of the application or use of any product or circuit described herein neither does it convey any license under patent rights or the rights of others 3 EMC Information on the DEMO908GZ60 module a b This product as shipped from the factory with associated power supplies cables has been verified to meet with requirements the FCC as a CLASS A product This product is designed and intended for use as a development platform for hardware or software in an educational or professional laboratory In a domestic environment this product may cause radio interference in which case the user may be required to take adequate prevention measures Attaching additional wiring to this product or modifying the products operation from the factory default as shipped may effect its performance and cause interference with other apparatus in the immediate vicinity If such interference is detected suitable mitigating measures should be taken TERMINOLOGY This development module uses option selection jumpers A jumper is a plastic shunt that con nects 2 terminals electrically Terminology for application of the option jumpers is as follows Jumper on in or installed jumper is installed such that 2 pins are connected together Jumper off out or idle
15. e PWR SEL option and J1 connector chapter for more detail on these selections RUN MODE RUN Mode operates the 08 application contained in the internal flash memory from Reset or Power On condition Use the following settings to configure the DEMO908GZ60 module for RUN Modqe to get started quickly 1 Configure PWR SEL option for input supply to power the module supply is J1 con nection install module on J1 external connection in powered down condition 2 Connect serial communication cable between the module COM port and the host if needed Launch supporting host software for the module communication DEMO908RG60 AUGUST 6 2004 3 Set module options for RUN Mode VTST EN Off open idle MON EN Off open idle COM EN 2 3 COM position RUN LOAD Set to RUN USER EN Enabled as needed for application operation 4 Power On the Module Application will begin to execute MONO8 DEBUG MODE on COM MONOS8 Monitor Mode operates the 08 internal MONO8 debug monitor from Power On This mode is accessible by setting Module options or by applying a supporting development cable to the Debug Port For Debug cable application the state of the MON EN option jump ers is DON T CARE The COM EN option jumper should be set to the 2 3 position The VTST EN jumper may be required Refer to the MONOS Configuration section of this docu ment for further details The following settings configure the DEMO908GZ6
16. ication signals input on J1 must be TTL CMOS logic levels no translation support is provided through this path The transceiver output may also be driven off module if a suitable interface is used As added de velopment support hardware flow control signals RTS and CTS are available on the logic side of U3 These signals are routed to vias located near the transceiver U3 RTS has been bi ased properly to support 2 wire RS 232 communications Use of the J1 connector to input RS 232 signals requires disabling the on board RS 232 trans ceiver to prevent signal corruption Disabling the on board transceiver is accomplished by re moving the COM SEL jumper Details on the COM SEL jumper are shown in the table below The figure shows the jumper position to enable RS 232 communications 12 DEMO908RG60 AUGUST 6 2004 Table 2 COM Connections HCO68 Port MCU Pin COM Signal PORT Connector PTEO TXD TXD OUT PTET RXD RXD IN COM Connector A standard 9 pin Dsub connector provides external connections for the SCI port The SCI port provides an alternate interface for use with the 08 monitor Component 02 provides RS 232 translation services The figure below details the DB9 connector Figure 3 COM Connector Female DB9 connector that interfaces to the 08 internal SCI1 serial 6 port via the 02 RS232 transceiver provides simple 2 wire asynchro TXD 2 nous serial communications without flow control
17. jumper is installed on 1 pin only It is recommended that jump ers be idled by installing on 1 pin so they will not be lost Cut Trace a circuit trace connection between component pads The circuit trace may be cut using a knife to break the default connection To reconnect the circuit simply in stall a suitably sized 0 resistor or attach a wire across the pads DEMO908RG60 AUGUST 6 2004 FEATURES The DEMO908GZ60 is an evaluation or demonstration module for the 68HC908GZ60 microcontroller Development of applications is quick and easy with the included wall plug DB9 serial cable sample software tools and examples The 08 port is provided for development tool application and is compatible with HCO08 monitor interface cables and software The module provides options to allow MONOS access through the COM port also 40 pin MCU I O connector J1 allows interfacing the DEMO908GZ60 module to external connections Features e 68HC908GZ60 CPU x 64 LQFP iz 4 82 07
18. lex P N 39 01 2040 Connector Pins Molex P N 39 00 0039 CAN Communications DEMO908GZ960 implements a single Fault Tolerant Controller Area Network CAN inter face CAN is used to high speed and fault tolerant automotive networks The CAN physical interface consists of a MC333868 transceiver at 4 and a single 3 position header The trans ceiver converts serial data from the MCU to differential data for the CAN bus The physical layer implemented supports data rates up to 125 kbps The differential bus termination voltage is provided by the physical interface The figure below details the pin out of the CAN bus con nector Figure 7 CAN Bus Connector 3 Negative Bus Signal 2 GND PCB Ground 1 CANH Positive CAN Bus Signal MONOS Communications The DEMO908GZ60 provides 2 methods for accessing the internal monitor Serial MONO8 access is provided through the COM port A 08 compatible programming pod may also attach to the 14 pin 08 port Monitor mode is enabled by the COM Mode MON VTST option jumpers Some 8 pods can supply VTST directly eliminating the need 14 DEMO908RG60 AUGUST 6 2004 to set the VTST EN option jumper The MCU supports monitor mode communications at 7200 bps Refer to 8 pod documentation for further details The internal monitor may also be accessed through and the through COM connector As above MONO08 mode
19. low OV signal is driven from the respective MCU I O port MCU ports PTFO and PTF1 drive LED1 and LED2 respectively RV1 Potentiometer A 5k Q thumb wheel potentiometer at RV1 provides variable resistance output for user applications The device provides 0 to VDD 5V typical output to the PTB2 input when enabled 821 Photocell A visible light sensitive photocell RZ1 with an amplifying OPAMP circuit provides a variable voltage output for user applications Circuit output voltage ranges between 5V to VDD typical and is inversely proportional to light intensity on the surface of the sensor VDD Dark When enabled the circuit output voltage is provided to MCU port input for user application 17 DEMO908RG60 AUGUST 6 2004 APPENDIX A BILL OF MATERIALS Mfr P N 1 3 Tant 10uF 10V SMB C3 C16 C23 TAJB106K010R 2 1 Cap Elect 100uF 16V Alum SMD jNihion JUWX1C101MCL1GB 2 1 3 1 Elec 10uF 35V Alum SMC C24 Nichicon UWX1V100MCL1GB 4 5 Mon 1uF 16V 0805 C1 C7 C8 C9 1 50 0805 11 15 17 18 19 22 C25 6 01uF 50 0805 C2 C5 C6 C12 C13 C14 C21 7 Cap Mon 033uF 25 15 lt fes 100K ohm 8P7R Bussed S o S 8 _ 2 Carbon 510 ohm 5 1 16W 0805 245 217 O DU newe E R21 R22 R27 R32 10 Carbon 10K ohm
20. n the bottom of the module Each connector is mounted over plated through holes in the PCB The socket is a pass through type socket designed to allow header insertion from either the top or bottom These connectors provide maximum flexibility allowing the module to connect directly to an ex panded development environment or to test equipment Access to all MCU signals is available at connector J1 or J2 Power may be supplied to the module through pins J1 1 V and J1 3 GND Use of this op tion requires input voltage between 4 75VDC and 5 25VDC This input directly connects to the module power and ground planes Care should be exercised not to over drive this input J1 can also be used to source power from the on board regulator to external modules The PWR SEL option header determines how power is routed to and from the module NOTE Power output from the module is limited by the 250 mA maximum output of the on board voltage regulator The table below shows the pin out for the MCU IO Connectors 11 DEMO908RG60 AUGUST 6 2004 Table 1 MCU IO Connectors J1 J2 Vx 1 2 IRQ PTE2 41 42 NC GNDI 3 4 RESET 43 44 INC 5 6 PTA2 KBD2 AD10 4 45 46 INC PTE1 RXD 7 8 PTA3 KBD3 AD11 5 47 48 INC PTAO KBDO AD8 9 10 PTBO ADO 49 5
21. of the module This allows stacking or connecting the module as needed Connector J1 may be used to apply power to the module as well as RS 232 communications signals Care must be exercised when using the MCU PORT to power the module as only regulated 5V DC should be ap plied to this connection The PWR SEL option jumper configures the module to accept input power on connector J1 or to provide regulated 5 to an external device attached to connector J1 Multiple option jumper blocks configure module operation Enabling an associated option re quires installing a jumper or shunt across the appropriate header pins so that both pins are connected via the jumper Removing the shunt disables the associated option POWER SUPPLY Input power may be applied by external connection to a 2 position terminal block and 5V regulator or directly from connector J1 The input supply is selected by the PWR SEL option TB1 Terminal Block The TB1 terminal block allows external voltage to be supplied to the module Input voltage should be limited to 6VDC and 16VDC 9VDC is typical The terminal block is a 3 55mm screw type connector that accepts a maximum 18 AWG wire An on board voltage regulator VR1 converts the input voltage to the 5 used by the module Bulk capacitance on the regulator input and output provides noise immunity on the power input Reverse polarity protection is provided at the Terminal Block input This will prevent damage
22. to the module if the input voltage is inadvertently reversed DEMO908RG60 AUGUST 6 2004 Figure 1 TB1 Terminal Block Connector MCU PORT T 6VDC 16VDC ND 2 Position Screw Type Terminal Block SEL J umper SEL jumper selects the source of power input to the module or provides 5VDC to J1 for use by external circuits The module takes voltage input from the 2 position on board voltage regulator or from the 40 pin MCU connector J1 Power input at the terminal block must be DC voltage between 7VDC and 16VDC Power input on the MCU connector must be regulated voltage between 4 75VDC and 5 25VDC The MCU PORT connector power input allows use of batteries or other alternate sources to power the module CAUTION Module damage may occur if the MCU PORT power input pins J1 1 J1 3 are over driven The PWR SEL option jumper provides 3 possible configurations source power from the PWR connector source power from J1 or source power from PWR and supply power to J1 The figure below shows the settings for each configuration Figure 2 PWR SEL Jumper Settings 1 Module powered from external input connected to 1 1 and 2 J1 3 SVDC Maximum input voltage 1 Module powered from external 6VDC 16VDC connected to 2 mm B1 Terminal Block J1 1 is open or not connected 1 Module powered from external 6VDC 16VDC connected to 2
23. tor Mode COM MODE MONOS Signaling Enabled MON NOTE To utilize the monitor mode the input voltage must exceed 9 0VDC 15 DEMO908RG60 AUGUST 6 2004 MONOS PORT MONO8 port is a 16 pin header compatible with a Motorola 8 Monitor Mode This allows the connection of a background debugger for software development programming and debugging in real time without using HC08 I O resources Figure 11 08 Port Connector 1 2 GND See the HC08 Reference Manual for complete MONO8 3 4 RST documentation 5 6 IRQ1 7 8 PTAO 9 10 PTA1 11 12 PTBO 13 14 PTB1 Vpp 15 16 When using the MONO8 pod to access monitor mode care must be exercised to configure the host software correctly Many 08 Pods are capable to powering the target board through the MONOS Port In this case the appropriate voltages will be applied to the board and the state of the monitor configuration jumpers is DON T CARE f the board is not powered through the MONOS Port then the minimum applied voltage is 9VDC and the VTST EN jumper must be installed Regardless of how the board is powered the state of the MON EN jumper is DON T CARE When using the MONO8 Port for monitor access the COM MODE jumper should be set to 2 3 to allow RS 232 communications Figure 12 08 on Port Setup MON EN ON OFF Don t Care VTS
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