E8a Emulator Additional Document for User`s Manual
Contents
1. 10 Reserved area The addresses not specified in the Hardware Manual of MCUs are reserved area Do not change the contents Otherwise the E8a emulator cannot control the MCU REJ10J1816 0200 Rev 2 00 Page 27 of 36 Apr 30 2010 RENESAS E8a Emulator 6 Notes on Using the E8a Emulator 6 2 Flash memory 6 2 1 Note on debugging in CPU rewrite mode 1 Unrewritable area in CPU rewrite mode When debugging in CPU rewrite mode do not rewrite CPU for the following area If these areas are rewritten the E8a emulator will not control the MCU Block O area addresses FFOOOOh FFFFFFh and block containing the E8a emulator program 2 Operation in CPU rewrite mode Do not halt the user program while setting up the CPU rewrite mode and releasing it If halted the E8a emulator may not control the MCU In addition disable the automatic update in the watch window or fix the display in the memory window before running the program so memory accesses do not occur during an execution To check the data after executing the CPU rewrite mode halt the program after releasing the CPU rewrite mode and refer to the memory window etc When rewriting the Flash memory in the program area select Menu gt Setup gt Emulator gt System to open the Configuration dialog box in the High performance Embedded Workshop In this dialog box change the Flash memory synchronization setting to Flash memory to PC and set the debugger cache to OFF2. In this setting the Flash memory is read whenever a break occurs which takes some time Use it with the Disable setting except when debugging in CPU rewrite mode 6 2 2 Note on rewriting flash memory 1 Do not reset the MCU when rewriting the flash memory The flash memory is rewritten when the Flash memory write end is displayed in the output window of the High performance Embedded Workshop If the MCU is reset when rewriting the flash memory the user program or the E8a emulator program may be disrupted Flash memory rewrite occurs When downloading the user program After setting PC breaks in the flash memory and executing the user program After canceling PC breaks in the flash memory and executing the user program After rewriting the value of the flash memory in the memory window and executing the user program 6 2 3 MCUs used for debugging When debugging the Flash memory is frequently rewritten by the E8a emulator Therefore do not use an MCU that has been used for debugging in products Also as the E8a emulator program is written to the MCU while debugging do not save the contents of the MCU Flash memory which were used for debugging nor use them as the ROM data for products REJ10J1816 0200 Rev 2 00 Page 28 of 36 Apr 30 2010 RENESAS E8a Emulator 6 Notes on Using the E8a Emulator 6 2 4 Flash memory ID code This MCU function prevents the Flash memory from being read out by anyone other than the user The I
3. Hold down the Ctrl key while launching the debugger When Do not show this dialog box again is checked the E8a does not supply power to the user system REJ10J1816 0200 Rev 2 00 Page 18 of 36 Apr 30 2010 RENESAS E8a Emulator 5 2 Emulator mode tab 5 Emulator Debugger Setting Device selection mode specification and power supply setting are made from the Emulator mode tab of the Emulator Setting dialog box Emulator Setting MOL Setting Emulator mode Communication Baud Rate Firmware Location Ma2C 8B Group x MCU Group Device M308B8FG Mode 0 Erase Flash and Connect C Keep Flash and Connect C Program Flash f Debugging of GFL rewrite mode p jt a Power supply lf Power Target from Emulator Max 300ma Lose ee iw FOV Cancel M Bo not show this dialog box again Figure 5 2 Emulator mode Tab of Emulator Setting Dialog Box REJ10J1816 0200 Rev 2 00 Apr 30 2010 RENESAS MCU Group Select the name of the MCU group to be used from the MCU Group drop down list Device Select the type of MCU to be used from the Device drop down list Mode Select the mode to be used For details see 5 2 1 Selecting the Mode p 20 Power supply Select the power supply to the user system When supplying power to the user system from the E8a click the Power Target from Emulator MAX 300mA check box Note that when debugging the system w
4. Pins used by the E8a emulator The E8a emulator controls the MCUs by using the following pins depending on the usage For debugging programming RESET CNVss P50 P55 P64 P65 P66 and P67 pins REJ10J1816 0200 Rev 2 00 Page 24 of 36 Apr 30 2010 RENESAS E8a Emulator 6 Notes on Using the E8a Emulator 3 Registers initialized by the E8a emulator When the system is launched the E8a emulator initializes the general registers and some of the flag registers as shown in Table 6 2 Table 6 2 E8a Emulator Register Initial Values nitial Value E8a Emulator RO to R3 bank O 1 0000h Activation AO A1 bank O 1 000000h FB bank 0 1 000000h SB bank 0 1 000000h PC Reset vector value in the vector address table INTB bank O 1 000000h USP 000000h ISP Work RAM Address for the E8a emulator 100h 1 SVF 000000h SVP 000000h VCT 000000h DMDO DMD1 00h DCTO DCT1 0000h DRCO DRC1 0000h DMAO DMA1 000000h DRAO DRA1 000000h DSAO DSA1 000000h Note 1 The Work RAM address for the E8a emulator is specified in the Firmware Location tab of the Emulator Setting dialog box REJ10J1816 0200 Rev 2 00 Page 25 of 36 Apr 30 2010 RENESAS E8a Emulator 6 Notes on Using the E8a Emulator 4 SFRs used by the E8a emulator program The SFRs listed in Table 6 3 are used by the E8a emulator program not the user program Do not change the registers otherwise the E8a cannot control the MCU The SFRs listed in Table
5. 10 C to 50 C Humidity Active 35 RH to 80 RH no condensation Inactive 35 RH to 80 RH no condensation Vibrations Active maximum 2 45 m s Inactive maximum 4 9 m s Transportation maximum 14 7 m s Ambient gases REJ10J1816 0200 Rev 2 00 Page 5 of 36 Apr 30 2010 RENESAS E8a Emulator 2 E8a Emulator Specifications 2 2 Applicable tool chain and third party products You can debug a module created by the inhouse tool chain and third party products listed in Table 2 3 below Table 2 3 Applicable Tool Chain and Third party Products M3T NC308WA V 5 20 Release 02 or later Third party products IAR EWM82C V 3 10A or later REJ10J1816 0200 Rev 2 00 Page 6 of 36 Apr 30 2010 RENESAS E8a Emulator 3 Connecting the E8a Emulator to the User System 3 Connecting the E8a Emulator to the User System 3 1 Connector for connecting the E8a emulator and the user system Before connecting the E8a emulator to the user system a connector must be installed in the user system so a user system interface cable can be connected Table 3 1 shows the recommended connector for the E8a emulator and Figure 3 2 shows E8a connecting connector pin assignments When designing the user system refer to Figure 3 2 E8a Connecting Connector Pin Assignments and Section 4 Examples of Pin Handling for Connecting the E82 Before designing the user system be sure to read the E8a Emulator User s Manual and related device har
6. Channel 1 transfer mode select bits bit 5 4 00 DMA disabled DMA Mode Register 1 DMD1 Channel 2 transfer mode select bits bit 1 0 00 DMA disabled Channel 3 transfer mode select bits bit 5 4 00 DMA disabled Interrupt Control Register Interrupt priority level select bits bit 2 1 0 000 Level 0 interrupt disabled Interrupt Control Register Interrupt request bit bit 3 0 Interrupt not requested 1 Do not enable DMA transfer from the memory window etc but enable it in the user program 1 When restarting the user program though the E8a emulator sets back the value of a DMA mode register to the previous value that was set before the program stops the interrupt request bit remains 0 REJ10J1816 0200 Rev 2 00 Page 32 of 36 Apr 30 2010 RENESAS E8a Emulator 6 Notes on Using the E8a Emulator 8 Exceptional step execution a Software interrupt instruction Step execution cannot be performed in the internal processing of instructions undefined overflow BRK and INT which generate a software interrupt continuously in the program see Figure 6 2 NOP NOP INT 3 NOP JMP MAIN Passes through if the STEP execution is carried out NOP q Program should be stopped at this address NOP NOP REIT Figure 6 2 Example of Software Interrupt Instruction b INT instruction To debug the user program with the INT instruction set a PC break for the internal processing of the INT instruction and exe
7. described in this document No license express implied or otherwise is granted hereby under any patents copyrights or other intellectual property rights of Renesas Electronics or others You should not alter modify copy or otherwise misappropriate any Renesas Electronics product whether in whole or in part Descriptions of circuits software and other related information in this document are provided only to illustrate the operation of semiconductor products and application examples You are fully responsible for the incorporation of these circuits software and information in the design of your equipment Renesas Electronics assumes no responsibility for any losses incurred by you or third parties arising from the use of these circuits software or information When exporting the products or technology described in this document you should comply with the applicable export control laws and regulations and follow the procedures required by such laws and regulations You should not use Renesas Electronics products or the technology described in this document for any purpose relating to military applications or use by the military including but not limited to the development of weapons of mass destruction Renesas Electronics products and technology may not be used for or incorporated into any products or systems whose manufacture use or sale is prohibited under any applicable domestic or foreign laws or regulations Renesas Electronics has
8. emulator However if the reset IC output is H the user system reset circuit cannot be set to L As such the E8a emulator will not operate normally Vcc E8a Connecting Connector MCU RESET Pulled up at 4 7kO or more Open collector buffer Figure 4 11 Example of a Reset Circuit 5 Other pins Connect Vss and Vcc to the Vss and Vcc Vcc1 of the MCU respectively The amount of voltage input to Vcc Vccl Vcc2 must be within the specified range of the MCU If NMI interrupts are not used make sure the NMI pin is pulled up to the Vcc Vcc1 pin through a resistor Pin 14 is used for checking the connection between the E8a and the user system and is not directly connected to the Vss inside the E8a Make sure that pins 2 6 10 12 and 14 are all connected to the Vss REJ10J1816 0200 Rev 2 00 Page 16 of 36 Apr 30 2010 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a 4 2 Interface circuit in the E8a emulator Figure 4 12 shows the interface circuit in the E8a emulator Use this figure as a reference when determining the pull up resistance value User system connecter Power supply circuit Vcc 8 use only with power supply mode Emulator control circuit 74LVC125 i a ae _ gt HAH pee ae ee 2SC2462 1 Power for 74LVC125 and 74LVC2T45 are supplied from Vcc in the user system connecter or power supply circuit in power supply mode Figure
9. the E8a emulator debugger during startup REJ10J1816 0200 Rev 2 00 Page 4 of 36 Apr 30 2010 RENESAS E8a Emulator 2 E8a Emulator Specifications 2 E8a Emulator Specifications 2 1 Emulator specifications Table 2 1 shows the E8a emulator specifications for the M32C 8B Group Table 2 1 E8a Emulator Specifications for the M32C 8B Group Target MCUs M16C Family M32C 80 Series M32C 8B Group Available operating modes Single chip mode Memory expansion mode Microprocessor mode is not supported 3 0 5 5V f CPU 32MHz Debug functions Break functions Address match break 8 points PC break points maximum 255 points Forced break Flash memory programming function Available Clock synchronous serial Communication via P64 P65 P66 P67 MCU resources to be used ROM size 2 KB RAM size 256 bytes Stack 20 bytes Address match interrupt UART1 function and P64 P65 P66 P67 Pins P50 and P55 Unnecessary USB bus powered power supplied from the PC Interface with host machine USB USB 1 1 full speed Also connectable to host computers that support USB 2 0 Operation with all combinations of host machine USB device and USB hub is not guaranteed for the USB interface Power supply function Can supply 3 3 V or 5 0 V to the user system maximum 300 mA Applicable emulator debugger M16C E8a emulator debugger V 1 02 Release 00 or later Table 2 2 Operating Environment Active 10 C to 35 C Inactive
10. 0 2010 RENESAS E8a Emulator 5 Emulator Debugger Setting 5 5 Communication Baud Rate tab Select communication baud rate between the E8a and MCU in the Communication Baud Rate tab 2000000 bps default setting should be selected Emulator Setting Emulator mode Firmware Location MOU Setting Communication Baud Rate Please select communication baud rate between Emulator and MEL 2000000 bps w J Cancel Do not show this dialog box again Figure 5 5 Communication Baud Rate Tab REJ10J1816 0200 Rev 2 00 Page 23 of 36 Apr 30 2010 RENESAS E8a Emulator 6 Notes on Using the E8a Emulator 6 Notes on Using the E8a Emulator 6 1 MCU resources used by the E8a emulator 1 Program area for the E8a emulator Table 6 1 lists the program areas allotted for the E8a emulator Do not change this area allocation otherwise the E8a emulator will not control the MCU If settings were changed disconnect the debugger and then reconnect it Table 6 1 Program eea for the E8a Emulator ROMSize Size Program Area for E8a Emulator Group Part No RAM Size 9 Program ROM ROM Area RAM Area eeste aie M308B8F vigociag M308B8FC aK FFFFE8h FFFFEBh 2KBoftheROM a6 5 14 o FFFFFCh FFFFFFh area 1 256 KB M308B8FG 1 When starting the debugger the Emulator Setting dialog box is displayed Specify the area which will not be used by the user system For details see 5 3 Firmware Location tab 2
11. 0 Rev 2 00 Page 8 of 36 Apr 30 2010 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a 4 Examples of Pin Handling for Connecting the E8a 4 1 Examples of pin handling for connecting the E8a The following show examples of pin handling for connecting the E8a When using the E8a as a programmer the connection specification between the E8a and the MCUs is the same as shown below Single power supply and single chip mode See Figure 4 1 Single power supply and memory expansion mode See Figure 4 2 Dual power supply and single chip mode See Figure 4 3 Dual power supply and memory expansion mode See Figure 4 4 Pulled up at 4 7kQ or more a S e a P641 RESET ron Pulled up at i 4 7KQ or more UUE cow 4 7KQ or more E8a Connecting Open collector buffer Connector User system Figure 4 1 Example of an E8a Connection Single Power Supply and Single chip Mode 1 For details on setting pins P64 and P65 refer to SCLK RxD TxD and BUSY pins on page 13 For details on setting pins P50 and P55 refer to EPM and CE pins on page 14 REJ10J1816 0200 Rev 2 00 Page 9 of 36 Apr 30 2010 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a Pulled up at 4 7KQ to 22kO P64 1 P50 3 CNVss Vcc er RESET Vss Pulled up at Pulled down at 4 7KQ or more 4 7KQ or more E8a Connecting Open collector buffer Connector User system F
12. 1233 Lujiazui Ring Rd Pudong District Shanghai 200120 China Tel 86 21 5877 1818 Fax 86 21 6887 7858 7898 Renesas Electronics Hong Kong Limited Unit 1601 1613 16 F Tower 2 Grand Century Place 193 Prince Edward Road West Mongkok Kowloon Hong Kong Tel 852 2886 9318 Fax 852 2886 9022 9044 Renesas Electronics Taiwan Co Ltd 7F No 363 Fu Shing North Road Taipei Taiwan Tel 886 2 8175 9600 Fax 886 2 8175 9670 Renesas Electronics Singapore Pte Ltd 1 harbourFront Avenue 06 10 keppel Bay Tower Singapore 098632 Tel 65 62 13 0200 Fax 65 6278 8001 Renesas Electronics Malaysia Sdn Bhd Unit 906 Block B Menara Amcorp Amcorp Trade Centre No 18 JIn Persiaran Barat 46050 Petaling Jaya Selangor Darul Ehsan Malaysia Tel 60 3 7955 9390 Fax 60 3 7955 9510 Renesas Electronics Korea Co Ltd 11F Samik Lavied or Bldg 720 2 Yeoksam Dong Kangnam Ku Seoul 135 080 Korea Tel 82 2 558 3737 Fax 82 2 558 5141 http www renesas com 2010 Renesas Electronics Corporation and Renesas Solutions Corporation All rights reserved Colophon 1 0 E8a Emulator ROEQOQOO8AKCE00 Additional Document for User s Manual CENESAS Renesas Electronics Corporation REJ10J1816 0200
13. 4 12 Interface Circuit inside the E8a Emulator For Reference REJ10J1816 0200 Rev 2 00 Page 17 of 36 Apr 30 2010 RENESAS E8a Emulator 5 Emulator Debugger Setting 5 Emulator Debugger Setting 5 1 Emulator Setting dialog box The Emulator Setting dialog box is provided for setting items that need to be set when the debugger is launched The contents set from this dialog box excluding Power Supply group box items also become valid the next time the debugger is launched When launching the debugger for the first time after creating a new project work space the Emulator Setting dialog box is displayed with the Wizard Emulator Setting MOU Setting Communication Baud Rate Emulator mode Firmware Location MOU Group M32C 8B Group Device M30868FG 5 Mode f Erase Flash and Connect f Keep Flash and Connect O Program Flash f Debugging of GPU rewrite mode Power supply If Power Target fram Emulator Max 300mA E 5OV Cancel M Do not show this dialog box again Figure 5 1 Emulator Setting Dialog Box If you check Do not show this dialog box again at the bottom of the Emulator Setting dialog box the Emulator Setting dialog box will not be displayed the next time the debugger is launched You can open the Emulator Setting dialog box using one of the following methods After the debugger is launched select Menu gt Setup gt Emulator gt Emulator Setting
14. 6 3 are not initialized by selecting Debug gt Reset CPU or by using the RESET command If register contents are referred to a value that has been set in the E8a emulator program will be read out Table 6 3 SFRs Used by the E8a Emulator Program eee l Address Register Symbol E8a Emulator ae ae foscon Pon PGregister m sasear ma oscan Pon P6 direction register Pos Bisas 6ani7 rma Do not change this register value Do not change the value of the bits listed in the column to the left When operating this register make changes using the bit operation instructions to avoid changing the bit values UARTI transmit interrupt control register SITIC and UARTI1 receive interrupt control register SIRIC always read out values used by the emulator REJ10J1816 0200 Rev 2 00 Page 26 of 36 Apr 30 2010 RENESAS E8a Emulator 6 Notes on Using the E8a Emulator 5 6 7 Ne 8 9 Stack area used by the E8a emulator The E8a emulator uses up to 8 bytes of the stack pointer ISP during a user program break Therefore set aside 8 bytes for the stack area Reset The reset vector is used by the E8a emulator program If the MCU is reset hardware reset while executing the user program control is transferred to the E8a emulator program and the user program is forced to stop Do not use the software reset and watchdog timer reset otherwise the E8a emulator will not operate normally Interrupts use
15. C T CD 0 lt a D C v E8a Emulator Additional Document for User s Manual ROEQOOO8AKCEOOEP45 Renesas Microcomputer Development Environment System M16C Family M382C 80 Series Notes on Connecting the M382C 8B All information contained in these materials including products and product specifications represents information on the product at the time of publication and is subject to change by Renesas Electronics Corporation without notice Please review the latest information published by Renesas Electronics Corporation through various means including the Renesas Electronics Corporation website http www renesas com Renesas Electronics www renesas com Rev 2 00 Apr 2010 10 11 i Notice All information included in this document is current as of the date this document is issued Such information however 1s subject to change without any prior notice Before purchasing or using any Renesas Electronics products listed herein please confirm the latest product information with a Renesas Electronics sales office Also please pay regular and careful attention to additional and different information to be disclosed by Renesas Electronics such as that disclosed through our website Renesas Electronics does not assume any liability for infringement of patents copyrights or other intellectual property rights of third parties by or arising from the use of Renesas Electronics products or technical information
16. D code in Table 6 4 written to the flash memory of the MCU must match the ID code displayed in the Figure 6 1 ID Code verification Dialog Box at debugger startup otherwise the debugger cannot be launched Note that when the ID code is FFh FFh FFh FFh FFh FFh FFh the ID code is regarded as undefined In this case the ID code is automatically authenticated and the ID Code verification dialog box is not displayed The values written into the ID code area differs depending on the mode Program Flash mode Contents of the user program Modes other than Program Flash mode FFh FFh FFh FFh FFh FFh FFh regardless of the contents of the downloaded user program Table 6 4 ID Code Storage Area ID Code verification Please input the ID code being written in the flash memory ID Code 01020304050607 Tnput Mode f Hex specify ID code by hexadecimal 14 digits C ASO Specify ID code by ASC character within letters Cancel Figure 6 1 ID Code verification Dialog Box Notes on Program Flash mode When the ID code is specified by the ID option of the Imc308 download the MOT file or HEX file When the X30 file is downloaded the ID code is not valid When downloading the X30 file specify the ID code using an assembler directive command such as B YTE The file to which the ID code specified by the assembler directive command ID is output varies depending on the version of the assembler Fo
17. Electronics data sheets or data books etc Standard Computers office equipment communications equipment test and measurement equipment audio and visual equipment home electronic appliances machine tools personal electronic equipment and industrial robots High Quality Transportation equipment automobiles trains ships etc traffic control systems anti disaster systems anti crime systems safety equipment and medical equipment not specifically designed for life support Specific Aircraft aerospace equipment submersible repeaters nuclear reactor control systems medical equipment or systems for life support e g artificial life support devices or systems surgical implantations or healthcare intervention e g excision etc and any other applications or purposes that pose a direct threat to human life You should use the Renesas Electronics products described in this document within the range specified by Renesas Electronics especially with respect to the maximum rating operating supply voltage range movement power voltage range heat radiation characteristics installation and other product characteristics Renesas Electronics shall have no liability for malfunctions or damages arising out of the use of Renesas Electronics products beyond such specified ranges Although Renesas Electronics endeavors to improve the quality and reliability of its products semiconductor products have specific characteristi
18. Emulator 4 Examples of Pin Handling for Connecting the E8a 2 EPM and CE pins The E8a emulator uses pins PS5O CE and PSSCEPM for MCU control Connect the E8a emulator to the MCU pins 1 Single power supply and single chip mode For P50 and P55 pull up the pins at the Vcc level or pull down them according to the MCU pin state after disconnecting the E8a emulator P50 and P55 may be in a Hiz state while the E8a emulator is active Therefore set the pin resistance value so the voltage cannot be at the midpoint potential depending on the voltage dividing of the resistance inside the E8a emulator Figure 4 12 on page 17 E8a Connecting Connector Figure 4 6 Connection of E8a Emulator and Pins P50 and P55 Single Power Supply and Single chip Mode MCU 2 Single power supply and memory expansion mode Pulled up at Pulled up at 4 7KQ or more E8a Connecting 4 7kQ to 22kQ xK Connector P55 EPM 1 P50 CE Figure 4 7 Connection of E8a Emulator and Pins P50 and P55 Single Power Supply and Memory Expansion Mode Note 1 The HOLD signal cannot be used Pull up P55 at the Vcc level on the user system REJ10J1816 0200 Rev 2 00 Page 14 of 36 Apr 30 2010 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a 3 Dual power supply and single chip mode Pull up P55 at the Vcc2 level or pull down it according to the MCU pin state after disconnecting the E8a emulator P55 may be in a Hiz state whil
19. a Emulator 6 5 Debug functions 1 2 3 4 5 6 Memory access during user program execution When referring to or modifying the memory contents the user program is temporarily halted For this reason a real time emulation cannot be performed When a real time emulation is necessary during a program execution disable the automatic update in the watch window or fix the display in the memory window before running the program so that memory accesses do not occur during an execution Setting of address match break during user program execution When adding or cancelling the address match break the user program is temporarily halted For this reason a real time emulation cannot be performed PC break point When downloading a user program after modifying it the set address of PC break may not be corrected normally depending on the modification Therefore break points other than the set PC breaks may shift After downloading a user program check the setting of PC breaks in the event point window and reset it If a low speed clock such as the sub clock is used as the operation clock of the MCU setting or canceling PC breaks may take time Use event breaks as the first choice Go to cursor function The Go to cursor function is actualized using an address match break Therefore when you execute the Go to cursor command all the address match breaks and hardware breaks you set become in
20. andling for Connecting the E8a Pulled up at 4 7kO to 22kO Pulled up at 4 7kO or more P66 a P50 CNVss MCU Pulled down at 4 7KQ or more Open collector buffer User system Figure 4 4 Example of an E8a Connection Dual Power Supply and Memory Expansion Mode 1 For details on setting pins P64 and P65 refer to SCLK RxD TxD and BUSY pins on page 13 2 The HOLD signal cannot be used Pull up P55 on the user system REJ10J1816 0200 Rev 2 00 Apr 30 2010 Page 12 of 36 rCENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a 1 SCLK RxD TxD and BUSY pins Pins P64 BUSY P65 SCLK P66 RxD and P67 TxD are used exclusively by the E8a emulator Connect pins P66 and P67 to the E8a emulator after pulling up the MCU pins at the Vcc Vcc1 level For P64 and P65 pull up the pins at the Vcc Vccl level or pull down them according to the MCU pin state after disconnecting the E8a emulator P64 may be in a Hiz state while the E8a emulator is active Therefore set the pin resistance value so the voltage cannot be at the midpoint potential depending on the voltage dividing of the resistance inside the E8a emulator Figure 4 12 on page 17 Vcc Vcc Vec1 Vec1 Pulled up at 4 7kQ or more E8a Connecting Connector 1 Pe oe P67 TxD po P64 BUSY MCU Figure 4 5 E8a Emulator and MCU Connection REJ10J1816 0200 Rev 2 00 Page 13 of 36 Apr 30 2010 RENESAS E8a
21. cs such as the occurrence of failure at a certain rate and malfunctions under certain use conditions Further Renesas Electronics products are not subject to radiation resistance design Please be sure to implement safety measures to guard them against the possibility of physical injury and injury or damage caused by fire in the event of the failure of a Renesas Electronics product such as safety design for hardware and software including but not limited to redundancy fire control and malfunction prevention appropriate treatment for aging degradation or any other appropriate measures Because the evaluation of microcomputer software alone is very difficult please evaluate the safety of the final products or system manufactured by you Please contact a Renesas Electronics sales office for details as to environmental matters such as the environmental compatibility of each Renesas Electronics product Please use Renesas Electronics products in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances including without limitation the EU RoHS Directive Renesas Electronics assumes no liability for damages or losses occurring as a result of your noncompliance with applicable laws and regulations This document may not be reproduced or duplicated in any form in whole or in part without prior written consent of Renesas Electronics Please contact a Renesas Electronics sales office if you have any que
22. cute the program with the GO command see Figure 6 3 NOP INT 8 NOP Execute using GO command JMP MAIN INT_3 NOP Break NOP REIT Figure 6 3 Example of INT Instruction REJ10J1816 0200 Rev 2 00 Page 33 of 36 Apr 30 2010 RENESAS E8a Emulator ROEQOOO8AKCE00 Additional Document for User s Manual Notes on Connecting the M32C 8B Publication Date Apr 30 2010 Rev 2 00 Published by Renesas Electronics Corporation Microcomputer Tool Develooment Department 2 Edited by Renesas Solutions Corporation CENESAS SALES OFFICES Renesas Electronics Corporation Refer to http www renesas com for the latest and detailed information Renesas Electronics America Inc 2880 Scott Boulevard Santa Clara CA 95050 2554 U S A Tel 1 408 588 6000 Fax 1 408 588 6130 Renesas Electronics Canada Limited 1101 Nicholson Road Newmarket Ontario L3Y 9C3 Canada Tel 1 905 898 5441 Fax 1 905 898 3220 Renesas Electronics Europe Limited Dukes Meadow Millboard Road Bourne End Buckinghamshire SL8 5FH U K Tel 44 1628 585 100 Fax 44 1628 585 900 Renesas Electronics Europe GmbH Arcadiastrasse 10 40472 Dusseldorf Germany Tel 49 211 65030 Fax 49 211 6503 1327 Renesas Electronics China Co Ltd 7th Floor Quantum Plaza No 27 ZhiChunLu Haidian District Beijing 100083 P R China Tel 86 10 8235 1155 Fax 86 10 8235 7679 Renesas Electronics Shanghai Co Ltd Unit 204 205 AZIA Center No
23. d by the E8a emulator program unusable The BRK2 instruction interrupt address match interrupt and single step interrupt are used by the E8a emulator program Therefore make sure the user program does not use any of these interrupts The E8a emulator changes these interrupt vector values to the values to be used by the emulator No problems occur if the interrupt vector values are written in the user program Interrupts used by the E8a emulator program NMI If NMI interrupts are used be sure to take the necessary precautions before executing the user program like disabling the automatic update in the watch window or fix the display in the memory window before running the program so that memory accesses do not occur during an execution If an NMI interrupt occurs while the user program halts or when memory contents are referenced or modified during user program execution the E8a emulator cannot control the MCU DMACTII transfer complete interrupt If DMACII transfer complete interrupts are used be sure to take the necessary precautions before executing the user program like disabling the automatic update in the watch window or fix the display in the memory window before running the program so that memory accesses do not occur during an execution If a DMACTII transfer complete interrupt occurs while the user program halts or when memory contents are referenced or modified during user program execution the E8a emulator cannot control the MCU
24. dware manuals Table 3 1 Recommended Connector Type Number Specification 14 pin connector 2514 6002 3M Limited 14 pin straight type User system interface cable Pe Connector User system Figure 3 1 Connecting the User System Interface Cable with an E8a Connecting Connector Do not place any components within 3 mm area of the connector When using the E8a emulator as a programmer connect it to the user system in the same way Connect E8a connecting connector pins 2 4 6 10 12 and 14 firmly to the GND on the user system board These pins are used as an electric GND and monitor the connection of the user system connector REJ10J1816 0200 Rev 2 00 Page 7 of 36 Apr 30 2010 RENESAS E8a Emulator 3 Connecting the E8a Emulator to the User System Pin NO M32C 8B Pin 1 mark j Aio P65 SC LK NS y O AED Vss 3 O ONss O 4 P55 EPM P67 TxD Vss P50 CE Pint OO 2 G Q Pin13 P64 BUSY A 10 11 P66 RxD Vss Pin 1 mark RESET 14 Figure 3 2 E8a Connecting Connector Pin Assignments Pin 14 is used for checking the connection between the E8a and the user system and pins 4 6 and 10 are connected to the internal circuit These pins are not directly connected to the Vss inside the E8a Make sure pins 2 4 6 10 12 and 14 are all connected to the Vss Note the pin assignments for the user system connector REJ10J1816 020
25. e the E8a emulator is active Therefore set the pin resistance value so the voltage cannot be at the midpoint potential depending on the voltage dividing of the resistance inside the E8a emulator Figure 4 12 on page 17 Pulled up at 4 7KQ or more Pulled up at 4 7k2 or more E8a Connecting Connector a Psoe P50 CE Figure 4 8 Connection of E8a Emulator and Pins P50 and P55 Dual Power Supply and Single chip Mode 4 Dual power supply and memory expansion mode Vcc2 Vcc2 Pulled up at Pulled up at 4 7kO or more E8a Connecting ie Connector P55 EPM 1 o Jma Figure 4 9 Connection of E8a Emulator and Pins P50 and P55 Dual Power Supply and Memory Expansion Mode Note 1 The HOLD signal cannot be used Pull up P55 at the Vcc2 level on the user system REJ10J1816 0200 Rev 2 00 Page 15 of 36 Apr 30 2010 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a 3 CNVss pin The E8a emulator uses the CNVss pin for MCU control Pull down the E8a emulator and MCU pins and connect the E8a emulator E8a Connecting Connector Pulled down at 4 7kQ or more Figure 4 10 E8a Emulator and CNVss Pin Connection 4 RESET pin The RESET pin is used by the E8a emulator Therefore use an open collector output buffer or a CR reset circuit as the reset circuit for the user system The recommended pull up value is 4 7 kQ or more The MCU can be reset by outputting L from the E8a
26. er system 1 Debugging of program that uses WDT When debugging the user program using the watchdog timer click this check box Unchecked WDT is not used If the watchdog timer is enabled with this box unchecked during debugging the E8a emulator will not operate normally Checked WDT is used The E8a emulator program refreshes the watchdog timer during program operation If memory access is executed through memory reference or modification the watchdog timer will be refreshed by the E8a emulator program Note that this timing will differ from the actual operational timing Page 21 of 36 E8a Emulator 5 Emulator Debugger Setting 5 4 MCU Setting Tab In the MCU Setting tab set the operating condition of the MCU used in the user system MCU The MCU selected in the Device drop down list Emulator Setting Emulator mode Firmware Location in the Emulator mode tab is displayed MOU Setting Communication Baud Rate MOU Setting Processor Mode MIL MSU BSF Specify the processor mode according to the user Processor Mode Single Chip Mode system One of the following can be specified Single Chip Mode Memory Expansion Mode 1 Cancel Do not show this dialog box again Figure 5 4 MCU Setting Tab Note 1 When the external area cannot be rewritten via normal memory access software breaks cannot be used in that area REJ10J1816 0200 Rev 2 00 Page 22 of 36 Apr 3
27. hich operates the MCU with a dual power supply power cannot be supplied from the E8a Page 19 of 36 E8a Emulator 5 Emulator Debugger Setting 1 Selecting the Mode Table 5 1 Selecting the Mode When starting the debugger the E8a emulator erases the Flash memory data for the MCUs Beaman ee ORCE A and simultaneously writes the E8a emulator program Debugging only 1 When launching the debugger the E8a emulator retains the Flash memory data for the Keep Flash and Connect MCUs Note that the area for the E8a emulator program and the vector area used by the E8a emulator will change The E8a emulator starts as a simple programmer When downloaded the E8a writes only the user program E8a emulator program is not written Therefore the program cannot be debugged in this mode Simple Program Flash 2 aa When Execute the user program after ending the debugger is selected with the E8a emulator connected to the user system the user program is executed at the same time the debugger is terminated This check box setting is available only when the Program Flash mode is selected Select this setting when debugging the program which rewrites the CPU In this mode the following debug operation which rewrites the Flash memory cannot be executed Setting the PC break points Debugging of CPU rewrite Debugging Changing the memory contents in the Flash memory area mode only 1 In this mode when starting the debugge
28. igure 4 2 Example of an E8a Connection Single Power Supply and Memory Expansion Mode For details on setting pins P64 and P65 refer to SCLK RxD TxD and BUSY pins on page 13 The HOLD signal cannot be used Pull up P55 on the user system P50 is used as the WRL WR pin The E8a emulator outputs H to the CE pin when going to boot mode resetting the MCU In other cases the CE pin is in a Hiz state This prevents signal collision between the E8a emulator and the MCU The WRL WR pin does not affect the memory because the pin has a low active signal REJ10J1816 0200 Rev 2 00 Page 10 of 36 Apr 30 2010 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a Vec1 Vcci Vcct1 Pulled up at 4 7kQ or more P65 1 4 i HPE P64 1 _ MCU Pulled up at 4 7kQ or more RESET Vss Pulled up at 4 7kQ or more Pulled down at 4 7kQ or more E8a Connecting Open collector buffer Connector User system Figure 4 3 Example of an E8a Connection Dual Power Supply and Single chip Mode 1 For details on setting pins P64 and P65 refer to SCLK RxD TxD and BUSY pins on page 13 For details on setting pins P50 and P55 refer to EPM and CE pins on page 14 REJ10J1816 0200 Rev 2 00 Page 11 of 36 Apr 30 2010 RENESAS E8a Emulator Pulled up at 4 7kQ or more tose HO Vss Pulled up at RESET 4 7kQ or more E8a Connecting Connector 4 Examples of Pin H
29. ineedudadusnsiemeswoueededvenereneeunded 29 Oso OWEF SUD ONY scciciera cutincsacsncamanandinsecoduteniandiasina E E E E E 30 6 4 Operation during a user program NaAlt ccceeccceecsseeeeeeeceeeeeeeeeceeeeeeeeeseeeeeeesuaeeeeeeseeeeeceeesseeeeeeeessaaeeeesssaeeeeeeseas 30 ST TC INS asst secre cps seater ccgec E ste ations E E eecaeennneneaoe 31 Apr 30 2010 2 CENESAS E8a Emulator 1 Inside the E8a Emulator User s Manual 1 Inside the E8a Emulator User s Manual The E8a manual consists of two documents the E8a User s Manual and the E8a Additional Document for User s Manual this document Be sure to read BOTH documents before using the E8a emulator In this user s manual the symbol is used to show active LOW e g RESET 1 E8a Emulator User s Manual The E8a Emulator User s Manual describes the hardware specifications and how to use the emulator debugger E8a emulator hardware specifications Connecting the E8a emulator to the host computer or user system Operating the E8a emulator debugger Tutorial From starting up the E8a emulator debugger to debugging 2 E8a Additional Document for User s Manual The E8a Additional Document for User s Manual describes content dependent on the MCUs and precautionary notes MCU resources used by the E8a emulator Example of the E8a emulator connection or interface circuit necessary for designing the hardware Notes on using the E8a emulator Setting
30. r the E8a emulator erases the Flash memory data for the MCUs and simultaneously writes the E8a emulator program Notes These modes are available only for debugging Programs written in these modes cannot be executed from the CPU If you want to execute a program from the CPU use Program Flash mode When starting up in these modes lock bits in all the blocks of the flash memory will be unlocked Note that the lock bits of the downloaded blocks will be unlocked after downloading the user program REJ10J1816 0200 Rev 2 00 Page 20 of 36 Apr 30 2010 RENESAS E8a Emulator 5 Emulator Debugger Setting 5 3 Firmware Location tab You can specify the address of the firmware location in the Firmware Location tab Emulator Setting MOU Setting Communication Baud Rate Emulator mode Firmware Location Firmware location Program 5800h Byte Use FEDD 00 MIM FOOOOO Max FFFVOO Work RAM 100h Byte Use 04 o0 MIN 0400 MA 8300 Debugging of program that uses WOT Cancel Do not show this dialog box again Figure 5 3 Firmware Location tab of Emulator Setting Dialog Box REJ10J1816 0200 Rev 2 00 Apr 30 2010 RENESAS Firmware Location Select the area in which the firmware is located Specify the address that will not be used by the user system in the ROM area or RAM area Program Specify the ROM area in which the firmware is located Specify 2k bytes that will not be used by the us
31. r details refer to the Assembler User s Manual REJ10J1816 0200 Rev 2 00 Page 29 of 36 Apr 30 2010 RENESAS E8a Emulator 6 Notes on Using the E8a Emulator 6 3 Power supply 1 Consumption current When the E8a emulator does not supply power to the user system it consumes the power voltage of the user system from several mA to more than 10 mA This is because the user power supply drives 74LVC125 74LVCIT45 and 74LVC2T45 to make the communication signal level match the user system power supply voltage 2 E8a emulator power supply When writing a program with the E8a emulator for mass production processes the program requires reliability so do not use the E8a emulator power supply function Supply power separately to the user system according to the allowable voltage for MCU writing Voltage supplied from the E8a emulator depends on the quality of the USB power supply of the PC and as such precision is not guaranteed Note that when debugging the system which operates the MCU with a dual power supply power cannot be supplied from the E8a 6 4 Operation during a user program halt During a user program halt interrupts are not accepted although peripheral I Os continue to run For example a timer interrupt is not accepted although the timer continues to count when a user program is stopped by a break after the timer Started REJ10J1816 0200 Rev 2 00 Page 30 of 36 Apr 30 2010 RENESAS E8a Emulator 6 Notes on Using the E8
32. stions regarding the information contained in this document or Renesas Electronics products or if you have any other inquiries Note 1 Renesas Electronics as used in this document means Renesas Electronics Corporation and also includes its majority owned subsidiaries Note 2 Renesas Electronics product s means any product developed or manufactured by or for Renesas Electronics E8a Emulator Contents Contents Page 1 INSIGe the Ega Emulator Users Manual sssini a ae a a 4 2 Ega Emulator peci aAUONS syare e EEEE a R E AE E 5 2 1 Emulator specifications cadiacsirsnececieaienndsaxctasnimectadsantecevadeananasanabescdincis alcantneutissneaves alam iedesadiraiaiuenteuianaserndinedeatetand 5 2 2 Applicable tool chain and third party products ccccccscesecceeeeeeseceeeceeeeeeeeeeeeeeeeesaeaseceeesseaeeeessseageeeeseaeeeenenaas 6 3 Connecting the E8a Emulator to the User System cccccccceeseeccceeeceeeeeeeeeeeeeeseeeeeeeeeeeeseeeeeeeeeeeeeessaaaeeeeeeessuaaaesss 7 3 1 Connector for connecting the E8a emulator and the user SYStEM ccceccccceeeceeceeeeeeeseeeceeseeeeeseeaeeessaeeeeeeaes 7 4 Examples of Pin Handling for Connecting the E8a cccccccccececcceeeeeeeeeeeeceeeeeeeaeeseeeeeeeeeseseeeseeeeeeeessaaaeeeeeessseaaaeess 9 4 1 Examples of pin handling for Connecting the E8a cccccecccccsseeeeeceeeeeecaeeeeeeneeeeeeseeueeessaaeeeesaaeeeessaeeesseneeessaneees 9 4 2 Intenace CurCullIn
33. tho Ega CMULAlOF seieren a R 17 S Emu Bi le iele gel 11 ih NE E E EEEE E EEA EE E E E 18 5 1 Emulator Setting dialog DOX Caneel ene nen tne een eee ee ee 18 52 Emul mode aD shee sexscocetese ceca saptsqe o EE R a a a ates esaeacaesscouan 19 5 3 Firmware Location TaD sisaicnsussnsiqusvmsncuiancuveuseancusnavedaemsnsiiaiiocui emnmerietsiousentenuessdnummbesnse NNE GOETRE ANER i 21 SAMOU SENOL T rE E E E EEEE E EE 22 5 5 Communication Baud Rate tab anccsssedecsscecad GsaurvenanceouasicennadennnemubstesansienceinssbetanntniuisdGuntedenapeneadsasantiandeGeeadennsenedees 23 6 Notes on Using the E8a Emulator 0 0 0 cece ccccceeeccceecseeeeeeeeeeeseeeeeecaeeeeceeeseeaeeeeeesseaeeeeseeaeseeeesseesseeseesaaeeeeessaaneeeeeeeas 24 6 1 MCU resources used by the E8a emulator eciicescceccscccrccainwcdevesensnets venwesteseeacteccaessentateesentersudeetaswecbegeeunceetebeeesned 24 o2 FAS TTTS sen E E 28 6 2 1 Note on debugging in CPU rewrite MOdE cccecccceccseeeeceeecaeeeeceeecaeeeeesseaeseeeeeeeeeeeeeeesaaeeeeeessaaeeeeeesaaaeeees 28 6 2 2 Note on rewriting flash MEMOLSY ccccccssecccceseeccseseeecseseeeceueeeseaseeessageeecseaeeeessseeessageeessageeessuseesssasenenss 28 6 2 3 MCUs used for CEDUGGING ccccccccsssssseeceeeeeceueeseeceeeeeeseesseeeeeeeessueeuseeeeeeeseeeuseeeeeeesssuaaaeeeeeeesssaaaneeeeees 28 6 2 4 Flash memory ID COD S seca csicasoronnsenondcnuesinvesvecnddscnnnecasnsencedaduesendtbessaddovawsesannotsenns
34. used reasonable care in preparing the information included in this document but Renesas Electronics does not warrant that such information is error free Renesas Electronics assumes no liability whatsoever for any damages incurred by you resulting from errors in or omissions from the information included herein Renesas Electronics products are classified according to the following three quality grades Standard High Quality and Specific The recommended applications for each Renesas Electronics product depends on the product s quality grade as indicated below You must check the quality grade of each Renesas Electronics product before using it in a particular application You may not use any Renesas Electronics product for any application categorized as Specific without the prior written consent of Renesas Electronics Further you may not use any Renesas Electronics product for any application for which it is not intended without the prior written consent of Renesas Electronics Renesas Electronics shall not be in any way liable for any damages or losses incurred by you or third parties arising from the use of any Renesas Electronics product for an application categorized as Specific or for which the product is not intended where you have failed to obtain the prior written consent of Renesas Electronics The quality grade of each Renesas Electronics product is Standard unless otherwise expressly specified in a Renesas
35. valid while all the PC breaks remain valid Debugging in stop mode or wait mode When debugging in stop mode or wait mode do not operate windows until the program stops at the breakpoint by setting the breakpoint at the line of the program which will be executed after the stop mode or wait mode is cancelled In addition disable the automatic update in the watch window or f1x the display in the memory window before running the program so memory accesses do not occur during an execution When the program is forcibly stopped or when the memory is referred to or modified in stop mode or wait mode these mode will be cancelled Low power consumption mode When debugging in low power consumption mode do not operate windows until the program stops at the breakpoint by setting the breakpoint at the line of the program which will be executed after the low power consumption mode is cancelled REJ10J1816 0200 Rev 2 00 Page 31 of 36 Apr 30 2010 RENESAS E8a Emulator 6 Notes on Using the E8a Emulator 7 DMAC and DMACII during a user program halt When the user program is halted or when the memory is referred to or modified during user program execution DMA transfer is disabled In such cases the E8a emulator sets the registers below as following Therefore if you refer to the registers below in the memory window etc it shows that DMA is disabled DMA Mode Register 0 DMDO Channel 0 transfer mode select bits bit 1 0 00 DMA disabled
Download Pdf Manuals
Related Search