HC05BD7 EMULATOR MODULE USER`S MANUAL
Contents
1. MOTOROLA HC05BD EM USER S MANUAL 2 6 For More Information On This Product Go to www freescale com CHAPTER 3 Freescale Semiconductor Inc HC05EVS CONFIGURATION AND OPERATION This chapter explains how to configure and use your BD7EM as part of an HCOSEVS For other parts of system installation or configuration see the HCOSEVS operations manual If you will use your BD7EM as part of an MMDSO5 system go to Chapter 2 for corresponding information Paragraph 3 1 explains how to set BD7EM jumper headers Paragraph 3 2 explans MCU substitution for various MCU emulations Paragraph 3 3 lists limitations on using the BD7EM in an HCOSEVS Paragraph 3 4 explains pin assignments and signal descriptions for the logic ana lyzer connector P1 Paragraph 3 5 explains remaining system configu ration Note that you can configure a BD7EM already installed on the HCOSEVS platform board To do so disconnect platform board power then follow the guidance of this chapter CAUTION Be sure to disconnect power if you reconfigure an installed EM Reconfiguring EM jumper headers with power left on can damage HCOSEVS circuits 3 1 SETTING BD7EM JUMPER HEADERS Your BD7EM has two jumper headers P4 and P6 Paragraphs 3 1 1 through 3 1 2 explain how to configure these headers HC05BD7EM USER S MANUAL MOTOROLA 3 1 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc Reset Selec2. S MANUAL MOTOROLA 1 5 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc Emulator Terminator Head Terminator connects to target head Target Cable Y Connects to EM target connectors Target p 4 a Plugs to target system MCU socket or surface mount adapter Figure 1 3 A Generic Representation of Target Cable assembly 2 EA AL MOTOROLA HCO5BD7EM USER S MANUAL 1 6 For More Information On This Product Go to www freescale com CHAPTER 2 Freescale Semiconductor Inc MMDS05 CONFIGURATION AND OPERATION This chapter explains how to configure and use your BD7EM as part of an MMDS0S For other parts of system installation or configuration see the MMDS05 operations manual MMDS050M D If you will use your BD7EM as part of an HCOSEVS system go to Chapter 3 for cor responding information Paragraph 2 1 explains how to set BD7EM jumper headers Paragraph 2 2 explains how to install personality and help files pertaining to the MCU you emulate Paragraph 2 3 lists the limitations on using the BD7EM in an MMDSOS Paragraph 2 4 explains remaining system installation Note that you can configure a BD7EM already installed in the MMDS05 station module enclosure To do so switch off station module power remove the hatch then follow the guidance of this chapter CAUTION Be sure to switch off power if you reconfigure an installed EM
3. tion module see the MMDSO05 operations manual For layout and con figuration information pertaining to a different EM see the corresponding EM user s manual 1 1 2 M68HCOS5EVS Evaluation System HC0SEVS An HCOSEVS is an economical two board tool for designing debug ging and evaluating target systems based on an MC68HCOS5 MCU A complete HCOSEVS consists of e a platform board PFB the bottom board which supports the emulator module The platform board has connectors for power and for the terminal or host computer e anemulator module EM such as the BD7EM a printed circuit board that enables system functionality for a set of specific MCUs The EM fits onto the PFB The EM has connectors for a target cable and a cable to a logic analyzer s an RS 232 serial cable the cable that connects the PFB to the host computer RS 232 port e system software software on 3 1 2 inch diskettes s HCOSEVS documentation an HCOSEVS operations manual and the appropriate EM user s manual SSS MOTOROLA HCO5BD7EM USER S MANUAL 1 2 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc As mentioned your BD7EM emulates several MC68HCOSBD series MCUs By substituting a different EM you can enable your HCOSEVS to emulate an MCU of a different series Your Motorola representative can explain all the EMs available Chapter 3 explains how to conf
4. For More Information On This Product Go to www freescale com Freescale Semiconductor Inc 2 2 THE EMULATED MCU AND PERSONALITY AND HELP FILES Your MMDS05 system uses a specific personality file for the MCU type being emulated For example to emulate an MC68HCOS5BD7 or MC68HC705BD7 MCU the system uses personality file 00308V02 MEM Table 2 1 lists all the personality files that pertain to the BD7EM To replace this file with a different one use the LOAD MEM command For more information ablout the LOADMEM com mand see the explanation in the MMDSOS5 operations manual Table 2 1 MCUs and Personality Files Emulated MCU EM Resident MCU Personality File MC68HC 7 05BD7 MC68HC 7 05BD7 00308V02 MEM MC68HCOSBD2 MC68HC 7 05BD7 05BD2V01 MEM MC68HCOSBDS5 MC68HC705BD3 MC68HCOSBDS MC68HC 7 05BD3 MC68HCOSBDS MC68HC 7 05BD3 05BD5V01 MEM 75BD3V01 MEM MC68HCOS5BD3 MC68HCOSBDS 05BD3V01 MEM MC68HC 7 05BD3 Personality File Installation of the personality files consist of copying the files from the distribution diskette to a hard disk Personality files are usually installed in the directory from which the MMDS05 software is executed If a per sonality file is not located in that directory the MMDSO5 software dis plays a window with which the user can search the directory structure to find the correct file More than one personality file can be installed the MMDSO5
5. Reconfiguring EM jumper headers with power left on can damage MMDS05 circuits 2 1 SETTING BD7EM JUMPER HEADERS Your BD7EM has two jumper headers P4 and P6 Paragraphs 2 1 1 through 2 1 2 explain how to configure these headers HC05BD7EM USER S MANUAL MOTOROLA 2 1 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc Reset Select Header P4 Jumper header P4 controls the path of a target reset The diagram below shows the factory configuration the fabricated jumper between pins 1 and 2 enables your software to control resets This is the only correct P4 configuration for a BD7EM that is part of an MMDSO5 P4 1 EVS 2 TARGET NOTE The P4 pins 2 and 3 configuration is not correct for a BD7EM that is part of an MMDSO5 system Such a con figuration would interfere with correct operation of the RESETIN and RESETOUT commands 2 1 2 Clock Source Select Header P6 Jumper header P6 determines the source of the clock signal The dia gram below shows the factory configuration the fabricated jumper between pins 2 and 3 selects the BD7EM canned oscillator clock source P6 I MMDS 3 XTAL Alternatively you may use a clock source originating from the control board To do so reposition the P6 jumper between pins 1 and 2 then use the MMDS05 OSC command to select a frequency SSS eee MOTOROLA HCO5BD7EM USER S MANUAL 2 2
6. ECLK GND GND GND GND GND IRQ 5V ra GND LA13 LA12 LAII LA10 LA9 LAR LA7 LA6 LAS LA4 LA3 LA2 LAI LAU GND GND GND RESET GND Figure 3 1 Connector P1 Pin Assignment HC05BD7EM USER S MANUAL MOTOROLA 3 5 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc Table 3 2 Logic Analyzer Connector P1 Signal Descriptions Pin Number 3 5 7 9 11 13 15 17 Signal Mnemonic AD7 ADO Signal Name and Description Data bus MCU bidirectional data bus 4 6 8 10 12 14 16 18 20 22 24 26 28 30 LA13 LAO Address bus MCU output address bus 19 Load Instruction Register Active low output signal asserted when an instruction starts Read Write Output signal that indicates the direction of data transfer MCU Interrupt Request Active low input sig nal from the target that asynchronously applied an MCU interrupt 38 RESET Reset Active low bidirectional signal for start ing an EVS reset 23 PHI clock Internally generated output clock signal used as a timing reference 25 ECLK clock Internally generated output clock signal used as a timing reference 12 2029 31532 33 34 35 36 40 Ground 39 MOTOROLA 3 6 5Vdc power Input voltage 5Vdc 1A max used by the EVS logic circuits HCOSBD3EM USER S MANUAL For More Information On This Pr
7. operating software automatically loads the personality file that corresponds to the currently connected EM board upon powerup the default personality file is 00308 V02 MEM HC05BD7EM USER S MANUAL MOTOROLA 2 3 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc Help File Installation of the help files e g 00308V02 HLP consists of copying the files from the distribution diskette to a hard disk Help files must be installed in the directory from which the MMDS05 software is executed If it is not located in that directory no help information pertaining to the emulated MCU will be displayed when the CHIPSINFO command is used 2 2 3 Resident MCU Substitution The socket at BD7EM location U5 contains the resident MCU The fac tory ships the BD7EM with an MC68HC705BD7 resident MCU which is appropriate for emulating MC68HCO5BD2 MC68HCOS5BD7 or MC68HC705BD7 MCUs The factory also ships a substitute MC68HC705BD3 resident MCU with the BD7EM This MCU is appropriate for emulating MC68HCOS5BD5 MC68HCOS5BD3 or MC68HC705BD3 Table 2 1 shows the resident MCU appropriate for your emulation Before you install a substitute MCU turn off MMDS05 and make sure that you are grounded Then remove the MCU from BD7EM location US insert the new resident MCU and restore power 2 3 MMDS05 LIMITATIONS This paragraph explains the limitations that apply to using your BD7EM in an MMDS05 system
8. s Limitation 1 ILAR Reset With the use of appropriate personality file the MMDSO5 can provides protection to limit user programs to the exact amount of MCU ROM available But during emulation of a particular MCU if an illegal address is accessed during an opcode fetch the emulator will not be notified and generated an internal reset Consult the specific MCU technical data for ILAR 2 4 REMAINING SYSTEM INSTALLATION When you have configured headers P4 and P6 you are through with BD7EM configuration E MOTOROLA HCO5BD7EM USER S MANUAL 2 4 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc e To install the BD7EM in an MMDSOS station module remove the panel from the station module top Fit together EM connectors P2 and P3 on the bottom of the board and control board connectors P11 and P12 Snap the mounting holes of the EM onto the plastic standoffs Connect the target cable if appropriate Replace the panel e If your BD7EM already is installed in the station module reconnect the target cable if necessary Replace the panel At this point you are ready to make remaining cable connections as necessary and restore power For instructions consult the MMDS05 operations manual MMDS05OM D HC05BD7EM USER S MANUAL MOTOROLA 2 5 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc Dorne lt amp Kj
9. D7EM USER S MANUAL MOTOROLA 1 3 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc 1 3 TARGET CONNECTORS AND CABLE INFORMATION Figure 1 2 shows the pin assignments for connectors P7 and P8 For sig nal descriptions consult the technical data book for the M68HCOSBD7 MCU To configure your BD7EM for use as part of an MMDSO5 follow the instructions of Chapter 2 To configure your BD7EM as part of an HCOSEVS follow the instructions of Chapter 3 P7 P8 GND 1 10 0 2 GND EVDD 1 2 HSYNC VSYNC 3 6 4 GND PWM3 3 lee 4 PWM4 PWM2 5 6 GND PWMS 5 l 6 PD2 PWMI 7 8 GND PWM6 7 8 GND PWMO 9 10 GND GND 9 laal 0 GND RESET 11 12 PD3 PWM7 II 12 GND GND 13 14 GND PC7 13 14 GND PBS 15 6 16 GND PC6 l ee 16 GND PB4 17 18 GND PCS 17 l 18 GND GND 19 20 GND PCA 19 l 20 GND PB3 21 22 GND PC3 21 22 GND PB2 23 24 GND PC2 23 24 GND PBI 25 26 GND PCI 25 26 GND PBO 27 28 GND GND 27 28 GND IRQ 29 6 30 GND PCO 29 30 GND PAT 31 32 GND PD 31 32 GND PA6 33 34 GND PDO 33 34 GND PAS 35 6 36 GND PAO 35 36 GND PAA 37 8 38 GND PAI 37 38 GND PA3 39 40 GND PA2 39 40 GND Figure 1 2 Connectors P7 PS Pin Assignments 7a T51 16T OY RIS 9 SHS 08053 SBT WSIS 1 4 For More Information
10. Freescale Semiconductor Inc MOTOROLA Ze SEMICONDUCTOR ME NT USER S MANUAL HC05BD7EMUM D July 1996 HC05BD7 EMULATOR MODULE USER S MANUAL Preliminary Edition AA MOTOROLA MOTOROLA INC 1996 All Rights Reserved For More Information On This Product Go to www freescale com Freescale Semiconductor Inc Motorola reserves the right to make changes without further notice to any products herein to improve reliability function or design Motorola 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 its patent rights nor the rights of others Motorola products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other application in which the failure of the Motorola product could create a situation where personal injury or death may occur Should buyer purchase or use Motorola products for any such unin tended or unauthorized application Buyer shall indemnify and hold Motorola and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expanses and reasonable attorney fees arising out of directly or indirectly any claim of per sonal injury or death associated with such unintended or unauthorized use even if such claim alleges that Motorola was negligent regarding the design or manufacture of t
11. HCOS5BD5 MC68HCOS5BD3 or MC68HC705BD3 Table 3 1 shows the resident MCU appropriate for your emulation Before you install a substitute MCU turn off HCOSEVS and make sure that you are grounded Then remove the MCU from BD7EM location US insert the new resident MCU and restore power Table 3 1 Resident MCUs Emulated MCU EM Resident MCU MC68HC 7 0S5BD7 MC68HC705BD7 MC68HCOS5BD2 MC68HC705BD7 MC68HCOS5BD5 MC68HC05BD5 MC68HC 7 05BD3 MC68HC 7 05BD3 MC68HCOSBDS5 MC68HC 7 05BD3 HC05BD7EM USER S MANUAL MOTOROLA 3 3 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc 3 3 EVS LIMITATIONS MOTOROLA 3 4 This paragraph explains the limitations that apply to using your BD7EM in an HCOSEVS e Limitation 1 CLI RTI You may not trace a clear interrupt mask CLI or return from interrupt RTD instruction with an interrupt enabled and pending due to MCU interrupt handling Attempting such a trace causes an interrupt in the monitor map this forces a software reset of the HCOSEVS User break points remain in the user map as SWI instructions You must remove such SWI instructions e Limitation 2 Branch Do not trace a conditional branch instruction such as BRCLR that branches to itself As the monitor places an SWI instruction on the object of the branch the system never would execute the instruction However it would appear to you that the in
12. On This Product Go to www freescale com Freescale Semiconductor Inc To connect your BD7EM to your target system via a separately pur chased target cable and head assembly follow the instructions below Figure 1 3 is a generic representation of a Motorola supplied target cable assembly which consists of a flexible cable and a DIP SDIP target head Emulation of a DIP SDIP device is achieved by fitting the DIP SDIP target head into the MCU socket of the target system Table 1 1 shows the target cable and head part numbers required to form a 40 pin DIP and a 42 pin SDIP target cable assembly for the BD7EM Table 1 1 Parts required to form a target cable assembly for BD7EM Cable No Target Head No Notes M SCBL05B M68TBOS5BD7P40 40 pin DIP cable assembly M SCBL05B M68TBOSBD7B42 42 pin SDIP cable assembly To use a DIP SDIP target cable connect the large cable terminator of M68CLBOSB to M68TBOSBD7P40 M68TBOSBD7B42 They should be connected in such a way that the arrow marked on the target head is pointing to the target cable Next connect the small cable terminator to the BD7EM target connectors P7 and P8 The connector at the far end of the cable should be connected to P7 and the other to P8 Plug the tar get head into the MCU socket of your target system If you install the BD7EM in the MMDSOS5 station module run the target cable through the slit in the station module enclosure HC05BD7EM USER
13. Us The EM fits into the station module through a sliding panel in the HCOS5BD7EM USER S MANUAL MOTOROLA 1 1 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc enclosure top The EM has connectors for the target cable e two logic clip assemblies twisted pair cables that connect the sta tion module to your target system a test fixture a clock or any other circuitry useful for evaluation or analysis One end of each cable assembly has a molded connector which fits into station module pod A and pod B Leads at the other end of each cable terminate in female probe tips Ball clips come with the cable assemblies s a 9 lead RS 232 serial cable the cable that connects the station module to the host computer RS 232 port e a9 to 25 pin adapter a moulded assembly that lets you connect the 9 lead cable to a 25 pin serial port e system software software on 3 1 2 inch diskettes e MMDS05 documentation an MMDSOS operations manual MMDS050M D and the appropriate EM user s manual As mentioned your BD7EM gives the MMDS05 the ability to emulate several MC68HC 7 05BD series MCUs By substituting a different EM you can enable your MMDS05 to emulate an MCU of a different series Your Motorola representative can explain all the EMs available Chapter 2 explains how to configure and use your BD7EM as part of an MMDS05 system For information about MMDSO05 software or the sta
14. aa0xi1101642 6 42a 3 1 2 Clock Source Select Header P6 sss 3 2 Resident MCU Substitution n niner aein OSS TdT ry 3 3 S TSS 3 4 Logic Analyzer Connector P1 s26 26x16 A 06axxfebdl6t0015 360023906 Steeda 3 5 Remaining System Installation sss esse sees eee eee eee Freescale Semiconductor Inc HC05BD7EM USER S MANUAL For More Information On This Product Go to www freescale com MOTOROLA 1 Freescale Semiconductor Inc FIGURES Figure Page 1 1 HCOSBD7 Emulator Module c2 252225666 008 a40xlAd00 ssl 006 lbsas 1 3 1 2 Connectors P7 P8 Pin Assignments eee 1 4 1 3 A Generic Representation Target Cable Assembly 1 6 3 1 Connector P1 Pin As I6HIi fHE lt setisssesiiis aoccetfalasglassoeslddssoosddbaiak 3 5 TABLES Table Page 1 1 Parts required to form a target cable assemble for BD7EM 1 5 2 1 MCUs and Personality Biles i eos 3421 4026 60a 38aal R na iT ass 2 3 3 1 Resident MCUs si 6601112012460 une a a aas aih 3 3 3 2 Logic Analyzer Connector P1 Signal Descriptions 3 6 mmm m mn R E E MOTOROLA HC05BD EM USER S MANUAL S For More Information On This Product Go to www freescale com Freescale Semiconductor Inc CHAPTER 1 INTRODUCTION This user s manual explains connection configuration and operation information specific to the M68EMO05BD7 Emulator Module hereaft
15. er referred to as BD7EM The BD7EM makes possible emulation and debugging of target systems based on these microcontroller units MCUs MC68HCOSBD2 MC68HC 7 05BD3 MC68HCOSBDS5 MC68HC 7 05BD7 The BD7EM can be part of two development systems This chapter describes those systems and explains the layout of the BD7EM The factory installs an MC68HC705BD7 resident MCU in the P9EM then ships the BD7EM with an extra MC68HC705BD3 MCU Chapter 2 and 3 explain when it is appropriate to use this substitute residents MCU 1 1 DEVELOPMENT SYSTEMS Your BD7EM can be part of two Motorola development tools the HCO5 Motorola Modular Development System MMDSO5 or the M68HCOSEVS Evaluation System HCOSEVS 1 1 1 Motorola Modular Development System MMDS05 The MMDS05 is an emulator system that provides a bus state analyzer and real time memory windows The unit s integrated design environ ment includes an editor an assembler user interface and source level debug A complete MMDS0O5 consists of e a station module the metal MMDSO5 enclosure containing the control board and the internal power supply Most system cables connect to the MMDS05 station module The cable to an optional target system however runs through an aperture in the station mod ule enclosure to connect directly to the emulator module e an emulator module EM such as the BD7EM a printed circuit board that enables system functionality for a set of specific MC
16. he part Motorola and the Motorola logo are registered trademarks of Motorola Inc Motorola Inc is an Equal Opportunity Affirmative Action Employer For More Information On This Product Go to www freescale com CONTENTS CHAPTER 1 INTRODUCTION 2 26 ede Sis Ge eee eee 1 1 Development Systems sic Se n c Tar aN TSO ase enone eee 1 1 1 Motorola Modular Development System MMDS05 1 1 2 M68HCOSEVS Evaluation System HC05EVS 1 2 EM Layout vn s6 c c gu daca 0 uy b nh 2 ka0l 6c dea tata vet Sided oad dase dau ti 1 3 Target Connectors And Cable InformatIon eee eee eee eee CHAPTER 2 MMDS05 CONFIGURATION AND OPERATION 2 1 Setting BD7EM Jumper Headers esse sss 2 1 1 Reset Select Header PA VRAZ a aas 2 1 2 Clock Source Select Header P6 cSSsSS S22 2 2 The Emulated MCU And Personality And Help Files 2 21 Pers nality Pilea ninap ae a c co 2 2 2 Help File ennnen nainii eisai aiaia 2 2 3 Resident MCU Substitution sss ee see eee ee eee eee eree eee 2 3 MMDS05 LimitatiohS ssnenesnsnninesunisinnn sinia 2 4 Remaining System Installation sss sees eee 6402161246066 b c 04 2 0266 CHAPTER 3 HC05EVS CONFIGURATION AND OPERATION 3 1 Setting BD7EM Jumper Headers sss sese 3 1 1 Reset Select Header Pd 1120062014640 142 00
17. igure and use your BD7EM as part of an HCOSEVS system For information about HCOSEVS software or the platform board see the HCOSEVS operations manual For layout and configuration information pertaining to a different EM see the corre sponding EM user s manual 12 EM LAYOUT Figure 1 1 shows the layout of the BD7EM Jumper header P4 controls the path of a target reset Jump header P6 lets you select the clock signal source Connectors P7 and P8 for a 40 pin DIP or a 42 pin SDIP cable assem bly purchased separately from the BD7EM provide an interface to your target system If you install the BD7EM in the MMDS05 station module the target cable passes through the slit in the station module enclosure Connector P1 connects to a logic analyzer Connector P1 has more significance for an EVS system as an MMDSO5 system includes a bus analyzer Expansion header connectors P2 and P3 connect together the EM and the control board for an MMDS0S or the EM and the platform board for an EVS SOCOHHSEOOEHC OOOO OSES rO LULU T 9 06006060606660606066066696 HLH 6666666666666666 66 6614 8888688888888888 8 ine eeocccccccccccoccceose OO ra oy eee Y 6666666666666666 6666666666666666 CC 6666666666666666 6666 6666666 66666 N 6666666666666666 6666669666666660 6666666666666666 6666866666666666 UO Figure 1 1 HCO5BD7 Emulator Module HCOS5B
18. oduct Go to www freescale com Freescale Semiconductor Inc 3 5 REMAINING SYSTEM INSTALLATION When you have configured headers P4 and P6 you are through with BD7EM configuration Find jumper header J1 of the HCOSEVS platform board Make sure that three fabricated jumpers are installed per the diagram below J1 Al4 1 2 a3 3 0 0 au 7 0 0 s To install the BD7EM on an HCOSEVS platform fit together EM con nectors P2 and P3 on the bottom of the board and platform board con nectors P3 and P4 Snap the mounting holes of the EM onto the plastic standoffs At this point you are ready to make remaining cable connections as necessary and restore power For instructions consult the HCOSEVS operations manual HCOS5BD7EM USER S MANUAL MOTOROLA 3 7 For More Information On This Product Go to www freescale com
19. struction had executed You may enter a G command while the PC points to this type of instruction as long as the instruction is not a breakpoint address s Limitation 3 IRQ SWI Whenever possible avoid mixing interrupt requests IRQs and user software interrupts SWIs This prevents a possible IRQ SWI timing problem a concurrent hardware interrupt and SWI could cause an HCOSEVS failure that could stop program execution To recover from such a failure which occurs very infrequently statistically press the master reset switch SW3 s Limitation 4 Memory Map ILAR You must be aware of the memory map of the MCU being simulated be sure to use only valid ROM locations The HCOSEVS does not provide protection to limit user programs to the exact amount of MCU ROM available and during emulation of a particular MCU if an illegal address is accessed during an opcode fetch the emulator will not be notified and generated an internal reset Consult the specific MCU technical data for ILAR For information about memory maps illegal address reset con sult the technical data book for the MCU HC05BD3EM USER S MANUAL For More Information On This Product Go to www freescale com Freescale Semiconductor Inc 3 4 LOGIC ANALYZER CONNECTOR PI Figure 3 1 shows the pin assignments for logic analyzer connector P1 Table 3 2 lists signal descriptions for this connector GND AD7 AD6 ADS AD4 AD3 AD2 ADI ADO LIR R W PHI2
20. t Header P4 Jumper header P4 controls the path of a target reset The diagram below shows the factory configuration the fabricated jumper between pins 1 and 2 enables your BD7EM to reset the target when you press the user or master reset switch P4 1 EVS 3 TARGET Alternatively you may enable the target system to reset the BD7EVS To do so e Reposition the BD7EM P4 jumper between pins 2 and 3 and e Insert a fabricated jumper into platform board header J3 3 1 2 Clock Source Select Header P6 Jumper header P6 determines the source of the clock signal The dia gram below shows the factory configuration the fabricated jumper between pins 2 and 3 selects the BD7EM canned oscillator clock source This is the only correct configuration for a BD7EM that is part of an HCOSEVS P6 1 MMDS 3 XTAL NOTE The P6 pins 1 and 2 configuration is not correct for a BD7EM that is part of an HCOSEVS system MOTOROLA HCO5BD3EM USER S MANUAL 3 2 For More Information On This Product Go to www freescale com Freescale Semiconductor Inc 3 2 RESIDENT MCU SUBSTITUTION The socket at BD7EM location U5 contains the resident MCU The fac tory ships the BD7EM with an MC68HC705BD7 resident MCU which is appropriate for emulating MC68HCO5BD2 MC68HCOS5BD7 or MC68HC705BD7 MCUs The factory also ships a substitute MC68HC705BD3 resident MCU with the BD7EM This MCU is appropriate for emulating MC68
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