E8a Emulator Additional Document for User`s Manual
Contents
1. E8a Connecting Connector 3 CNVss mcu Pulled down at 4 7KQ or more Figure 4 15 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 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 E8a Connecting Connector mcu Pulled up at 4 7KQ or more Open collector buffer Figure 4 16 Example of a Reset Circuit 5 Other pins Connect Vss and Vcc to the Vss and Vcc of the MCU respectively The amount of voltage input to Vcc 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 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 R20UT0607EJ0700 Rev 7 00 Page 20 of 43 Apr 08 2011 7tENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a 4 3 R382C 160 and R32C 161 4 3 1 Examples of pin handling for connecting the E8a whole connection The following show examples o2. Vcc Vcc Vec1 Vec1 Pulled up at 4 7KQ or more E8a Connecting Connector e i 1 paaBusy P44 BUSY Figure 4 18 E8a Emulator and MCU Connection R32C 160 and R32C 161 Only 2 EPM and CE pins The E8a emulator uses pins P50 CE and P55 EPM for MCU control Connect the E8a emulator to the MCU pins 1 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 22 on page 24 E8a Connecting Connector MCU Figure 4 19 Connection of E8a Emulator and Pins P50 and P55 Single chip Mode R32C 160 and R32C 161 Only R20UT0607EJ0700 Rev 7 00 Page 22 of 43 Apr 08 2011 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 3 CNVss mcu Pulled down at 4 7KQ or more Figure 4 20 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
3. 1 SCLK RxD TxD and BUSY pins on page 14 For details on setting pins P50 and P55 refer to 2 EPM and CE pins on page 15 R20UT0607EJ0700 Rev 7 00 Page 10 of 43 Apr 08 2011 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a Pulled up at 4 7kQ to 22kQ RESET RESET Pulled up at Pulled down at 4 7kQ or more 4 7kQ or more E8a Connecting Open collector buffer Connector Vss User system Figure 4 2 Example of an E8a Connection Single Power Supply and Memory Expansion Mode MCUs Other Than R32C 160 and R32C 161 For details on setting pins P64 and P65 refer to 1 SCLK RxD TxD and BUSY pins on page 14 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 R20UT0607EJ0700 Rev 7 00 Page 11 of 43 Apr 08 2011 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a Vec1 Vcci Vcc1 Pulled up at 4 7kQ or more Co O moo a Pulled up at P501 mcu 4 7KQ or more RESET RESET Pulled up at 4 7KQ or more Pulled down at 4 7KQ or more E8a Connecting Open collector buffer Connector Vss User sy
4. Address Description FFFFFFE8h First byte of ID code FFFFFFE9h Second byte of ID code FFFFFFEAh Third byte of ID code FFFFFFEBh Fourth byte of ID code FFFFFFECh Fifth byte of ID code FFFFFFEDh Sixth byte of ID code FFFFFFEEh Seventh byte of ID code ID Code verification Please input the ID code being written in the flash memory ID Code 01020304050607 Input Mode Hex Specify ID code by hexadecimal 14 digits C ASCI Specify ID code by ASCI character within 7 letters 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 Imc100 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 BYTE The file to which the ID code specified by the assembler directive command ID is output varies depending on the version of the assembler For details refer to the Assembler User s Manual R20UT0607EJ0700_ Rev 7 00 Page 36 of 43 Apr 08 2011 7tENESAS E8a Emulator 6 Notes on Using the E8a Emulator 6 3 Count source protect mode When downloading the program that enables the count source protect mode the E8a emulator sets both of the bit 2 and bit 3 of the optional function select area OFS FFFFFFEFh to Ob b3 b2 Watchdog Timer Prescaler Select Bit 00 Divide by 8 WDK3 to
5. ececcecceceeeeeeeeeeeeeee cee eeeeaeeeeeeee cage eeeaaeeeeeeeeeaeeeseaeeeeaaeseeeeescaeseeeeseeeeess 37 6 6 Functions Of the E data laS isi ieincteceuistsvzkacascincyhaitscedapastingesbiinndsiagstinaguavdccsntaihuhdlstuldntysdateaastulevistbieutidcaucauastan 38 6 7 Deb g FUNCTIONS sess ts ces cieeeth cbs canta tescth ct ecateacavieduhs hvsetegacecsuhg ssa e aa aaa aaa aaa aa adadan aaae andada 38 R20UT0607EJ0700 Rev 7 00 Page 3 of 43 Apr 08 2011 7RENESAS 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 ci
6. 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 22 on page 24 Vcc Vcc Vec1 Vec1 Pulled up at 4 7KQ or more E8a Connecting Connector e PearBusy P64 BUSY Figure 4 5 E8a Emulator and MCU Connection MCUs Other Than R32C 160 and R32C 161 R20UT0607EJ0700 Rev 7 00 Page 14 of 43 Apr 08 2011 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a 2 EPM and CE pins The E8a emulator uses pins P50 CE and P55 EPM 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 22 on page 24 E8a Connecting Connector Figure 4 6 Connection of E8a Emulator and Pins P50 and P55 Single Power Supply and Single chip Mode MCUs Other Than R32C 160 and R32C 161 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 x Connector m Figure 4 7
7. For MCUs without E dataFlash the checkbox is gray and cannot be selected Use ECC for E2 Data Flash Select this checkbox if you want to use ECC for Emulator Setting Emulator mode Firmware Location an MCU with E dataFlash You cannot check MCU Setting Communication Baud Rate this box if you selected an MCU without 7 E dataFlash Be sure to make the setting MCU Setting won a 2 according to the setting of the E dataFlash of the M Use ECC for E Data Flash program to debug 1 Do not show this dialog box again 1 The block configuration of the E dataFlash is determined by the setting of this checkbox If the setting is made erroneously the E dataFlash area will be displayed incorrectly R20UT0607EJ0700_ Rev 7 00 Page 29 of 43 Apr 08 2011 7tENESAS 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 Emulator Setting Figure 5 4 Communication Baud Rate Tab R20UT0607EJ0700_ Rev 7 00 Page 30 of 43 Apr 08 2011 7tENESAS 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 area for the E8a emulator Do not change this area otherwise the E8a emulator will not control the MCU In this case disconnect the debugger and then reconnect
8. SVP 00000000h VCT 00000000h DMDO to DMD3 XXXX XXXX XXXX XXXX XXXX XXXX XX00 0000b DCTO to DCT3 000000h DCRO to DCR3 000000h DSAO to DSA3 00000000h DSRO to DSR3 00000000h DDAO to DDA3 00000000h DDRO to DDR3 00000000h 1 The Work RAM address for the E8a emulator is specified in the Firmware Location tab of the Emulator Setting dialog box R20UT0607EJ0700 Rev 7 00 Page 32 of 43 Apr 08 2011 2tENESAS E8a Emulator 6 Notes on Using the E8a Emulator 4 SFRs used by the E8a emulator program The SFRs listed in Tables 6 3 and 6 4 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 Tables 6 3 and 6 4 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 The SFR listed in Table 6 5 cannot be used by the user program when the E8a is running Table 6 3 SFRs Used by the E8a Emulator Program R32C 160 and R32C 161 Notes on Using the Address Register Symbol Bit E8a Emulator 02E8h UART1 transmit receive mode register U1MR All bits 1 02EAh 02EBh UART1 transmit buffer register U1TB All bits 1 02ECh UART1 transmit receive control register 0 U1C0 All bits 1 02EDh UART1 transmit receive control register 1 U1C1 All bits 1 02EEh 02EFh
9. Stop is fixed to 0 PLL clock oscillator running UART transmit interrupt control register SITIC and UART1 receive interrupt control register SIRIC always read out values used by the emulator R20UT0607EJ0700 Rev 7 00 Apr 08 2011 7tENESAS Page 33 of 43 E8a Emulator 6 Notes on Using the E8a Emulator 5 Stack area used by the E8a emulator The E8a emulator uses up to 32 bytes of the stack pointer ISP during a user program break Therefore set aside 32 bytes for the stack area 6 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 run out of control If the automatic memory update is enabled in the memory or watch window do not perform a hardware reset to the MCU Otherwise the E8a emulator will run out of control 7 Interrupts used by the E8a emulator program unusable The BRK2 instruction 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 8 Interrupts used by the E8a emulator prog
10. Vss R20UT0607EJ0700 Rev 7 00 Page 17 of 43 Apr 08 2011 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a 4 2 R32C 111 64 pin and 80 pin 4 2 1 Examples of pin handling for connecting the E8a whole connection 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 12 Pulled up at 4 7KQ or more j P65 1 P81 1 P80 RESET RESET Pulled up at 4 7KQ or more Pulled down at 4 7KQ or more E8a Connecting Open collector buffer Connector Vss User system Figure 4 12 Example of an E8a Connection Single Power Supply and Single chip Mode R32C 111 64 pin and 80 pin Only 1 For details on setting pins P64 and P65 refer to 4 2 1 1 SCLK RxD TxD and BUSY pins on page 19 For details on setting pins P80 and P81 refer to 4 2 1 2 EPM and CE pins on page 19 R20UT0607EJ0700 Rev 7 00 Page 18 of 43 Apr 08 2011 RENESAS 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 Vcc 1 level or pull down
11. WDK2 00b Applicable MCUs R32C 120 R32C 121 R32C 151 R32C 152 R32C 153 R32C 156 R32C 157 R32C 160 and R32C 161 6 4 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 74LVC1T45 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 5 Operation during a user program halt 1 Peripheral I Os during a 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 R20UT0607EJ0700 Rev 7 00 Page 37 of 43 Apr 08 2011 2tENESAS E8a Emulator 6 Notes on Using t
12. 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 22 on page 24 Vcc Vcc Vec1 Vec1 Pulled up at 4 7KQ or more E8a Connecting Connector e ae 1 Peary P64 BUSY Figure 4 13 E8a Emulator and MCU Connection R32C 111 64 pin and 80 pin Only 2 EPM and CE pins The E8a emulator uses pins P80 CE and P81 EPM for MCU control Connect the E8a emulator to the MCU pins For P80 and P81 pull up the pins at the Vcc level or pull down them according to the MCU pin state after disconnecting the E8a emulator P80 and P81 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 22 on page 24 E8a Connecting Connector Figure 4 14 Connection of E8a Emulator and Pins P80 and P81 R32C 111 64 pin and 80 pin Only MCU R20UT0607EJ0700 Rev 7 00 Page 19 of 43 Apr 08 2011 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
13. user system connector or power supply circuit in power supply mode Figure 4 22 Interface Circuit inside the E8a Emulator For Reference R20UT0607EJ0700 Rev 7 00 Apr 08 2011 Page 24 of 43 7tENESAS 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 Emulator mode Firmware Location Communication Baud Rate MCU Group R32C 111 Group Device R5F64110 Mode Erase Flash and Connect Keep Flash and Connect Program Flash Debugging of CPU rewrite mode F Execute the user program atter ending ihe debugger m Power supply T Power Target from Emulator MAX 300m4 C 33y Cancel Tl 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 dia
14. 0 00 DMA transfer disabled DMA2 Mode Register DMD2 Transfer mode select bit bit 1 0 00 DMA transfer disabled DMA3 Mode Register DMD3 Transfer mode select bit bit 1 0 00 DMA transfer disabled Interrupt Control Register Interrupt request level select bit 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 Note 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 R20UT0607EJ0700 Rev 7 00 Page 39 of 43 Apr 08 2011 2tENESAS 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 lt 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
15. 2rCENESAS T D Cp lt D 5 v E8a Emulator Additional Document for User s Manual ROEQOOO8AKCEOOEP52 Renesas Microcomputer Development Environment System M16C Family R32C 100 Series Notes on Connecting the R82C 111 R382C 116 R32C 116A R32C 117 R382C 117A R32C 118 R32C 118A R32C 120 R32C 121 R382C 145 R32C 151 R382C 152 R32C 153 R382C 156 R382C 157 R32C 160 and R32C 161 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 Rev 7 00 Apr 2011 www renesas com 10 11 12 Notice All information included in this document is current as of the date this document is issued Such information however is 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 a
16. 4 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 R20UT0607EJ0700_ Rev 7 00 Page 7 of 43 Apr 08 2011 7tENESAS E8a Emulator Pin 1 mark Connector 3 Connecting the E8a Emulator to the User System R32C 111 100 pin R32C 116 R382C 116A R32C 117 R382C 117A R32C 118 R32C 118A R32C 120 R32C 121 R32C 145 R382C 151 R32C 152 R382C 153 R32C 156 R32C 157 MCU Signals R32C 111 64 pin or 80 pin R32C 160 R32C 161 MCU Signals P65 SCLK P65 SCLK P45 SCLK Vss Vss Vss CNVss CNVss CNVss P55 EPM P81 EPM P55 EPM A X Pin 1 mark P67 TxD P67 TxD P47 TxD Vss Vss Vss P50 CE P80 CE P50 CE N o jo A Jo N Vcc Vcc Vcc P64 BUSY P64 BUSY P44 BUSY Vss Vss Vss P66 RxD P66 RxD P46 RxD Vss Vss Vss RESET RESET RESET Vss Vss Vss Figure 3 2 E8a Connecting Connector Pin Assignments 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 pins 2 4 6 10 12 and 14 are all connected to the Vss Note the pin assignments for the user system connector R20UT0607EJ0700 Rev 7 00 Apr 08 2011 7tE
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18. Connection of E8a Emulator and Pins P50 and P55 Single Power Supply and Memory Expansion Mode MCUs Other Than R32C 160 and R32C 161 Note 1 The HOLD signal cannot be used Pull up P55 at the Vcc level on the user system R20UT0607EJ0700 Rev 7 00 Page 15 of 43 Apr 08 2011 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a 3 Dual power supply and single chip mode R32C 111 100 pin Only 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 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 22 on page 24 Pulled up at 4 7kQO or more E8a Connecting Pulled up at 4 7KQ or more Connector w Pace P50 CE Figure 4 8 Connection of E8a Emulator and Pins P50 and P55 Dual Power Supply and Single chip Mode R32C 111 100 pin Only 4 Dual power supply and memory expansion mode R32C 111 100 pin Only Vec2 Vcc2 Pulled up at p 4 7KQ to 22kO Pulled up at 4 7kQ or more E8a Connecting Connector P55 EPM 1 mou P50 CE Figure 4 9 Connection of E8a Emulator and Pins P50 and P55 Dual Power Supply and Memory Expansion Mode R32C 111 100 pin Only Note 1 The HOLD signal cannot be used Pull up P55 at the Vcc2 level on the user
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20. NESAS Page 8 of 43 E8a Emulator 4 Examples of Pin Handling for Connecting the E8a 4 Examples of Pin Handling for Connecting the E8a 4 1 MCUs other than R32C 160 and R382C 161 Applicable MCUs R32C 111 100 pin R32C 116 R32C 116A R32C 117 R32C 117A R32C 118 R32C 118A R32C 120 R32C 121 R32C 145 R32C 151 R32C 152 R32C 153 R32C 156 and R32C 157 4 1 1 Examples of pin handling for connecting the E8a whole connection 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 R32C 111 100 pin only See Figure 4 3 Dual power supply and memory expansion mode R32C 111 100 pin only See Figure 4 4 R20UT0607EJ0700 Rev 7 00 Page 9 of 43 Apr 08 2011 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a Pulled up at 4 7kQO or more P65 1 P55 1 P50 1 RESET RESET Pulled up at 4 7kQ or more Pulled down at 4 7kQ or more E8a Connecting Open collector buffer Connector Vss User system Figure 4 1 Example of an E8a Connection Single Power Supply and Single chip Mode MCUs Other Than R32C 160 and R32C 161 1 For details on setting pins P64 and P65 refer to
21. UART1 receive buffer register U1RB All bits 1 03C8h Port P4 register P4 Bits 4 5 6 and 7 2 03CAh Port P4 direction register PD4 Bits 4 5 6 and 7 2 400CEh Port P4_7 port function select register P4_7S All bits Fa Table 6 4 SFRs Used by the E8a Emulator Program MCUs other than R32C 160 and R32C 161 Address Register Notes on Using the E8a Emulator 02E8h UART1 transmit receive mode register All bits 1 02EAh 02EBh UART1 transmit buffer register All bits 1 02ECh UART1 transmit receive control register 0 All bits 1 02EDh UART1 transmit receive control register 1 All bits 1 O2EEh 02EFh UART1 receive buffer register All bits 1 03CCh Port P6 register Bits 4 5 6 and 7 2 03CEh 400DEh Table 6 5 SFR for which the Value of the Bit cannot be Changed when Address Port P6 direction register Port P6_7 port function select register Register Bits 4 5 6 and 7 All bits the E8a is Running 2 Notes on Using the E8a Emulator 40047h System clock control register 1 Do not change this register value 3 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 When the E8a is running the value of the bit is fixed to 0 PLL Clock Oscillator
22. am Ku Seoul 135 080 Korea 82 2 558 3737 Fax 82 2 558 5141 2011 Renesas Electronics Corporation and Renesas Solutions Corp All rights reserved Colophon 1 0 E8a Emulator ROEQOOO8AKCE00 Additional Document for User s Manual QE NESAS R20UT0607EJ0700 Previous Number Renesas Electronics Corporation REJ10J1877 0600
23. and execute the program with the GO command see Figure 6 3 NOP INT 3 NOP Execute using GO command JMP MAIN INT_3 NOP Break NOP REIT Figure 6 3 Example of INT Instruction 9 Note on using automatic memory update When the automatic memory update is enabled in the memory or watch window do not execute Step Out or Multiple step Otherwise it will take longer to update memory data and the operation will be delayed R20UT0607EJ0700_ Rev 7 00 Page 40 of 43 Apr 08 2011 7tENESAS E8a Emulator ROEQOOO8AKCE00 Additional Document for User s Manual Notes on Connecting the R32C 111 R382C 116 R32C 116A R32C 117 R382C 117A R382C 118 R32C 118A R32C 120 R32C 121 R32C 145 R82C 151 R32C 152 R32C 153 R32C 156 R382C 157 R32C 160 and R32C 161 Publication Date Apr 08 2011 Rev 7 00 Published by Renesas Electronics Corporation Microcomputer Tool Development Department 2 Piga byi Renesas Solutions Corp tENESAS SALES OFFICES Renesas Electronics Corporation http www renesas com Refer to http www renesas com for the latest and detailed information Renesas E 2880 Scott Boulevard Santa Clara CA 95050 2554 U S A Te Renesas E 11 Te Renesas E Dukes Meadow Millboard Road Bourne End Buckinghamshire SL8 5FH U K Te Renesas E Arcadiastrasse 10 40472 D sseldorf Germany Te Renesas E 7th Floor Quantum Plaza No 27 ZhiChunLu Haidian District Beijing 1000
24. are location Program 1000h Byte Use FFFF80 00 MIN FFFCOOOO MAX FFFFEFOO Work RAM 180h Byte Use s0 oo MIN 400 MAX FEOD Program Specify the ROM area in which the firmware is located Specify 4 K bytes that will not be used by the user system The data area cannot be specified Work RAM Specify the RAM area in which the firmware is located Specify 364 bytes that will not be used by the user system 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 Cancel Do not show this dialog box again Figure 5 3 Firmware Location tab of Emulator Setting Dialog Box MOIR atic os aes aie 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 R20UT0607EJ0700_ Rev 7 00 Page 28 of 43 Apr 08 2011 7tENESAS E8a Emulator 5 Emulator Debugger Setting 5 4 MCU Setting tab For MCUs with E dataFlash the MCU Setting tab is displayed in the Emulator Setting dialog box Be sure to set up the tab according to the setting of the E dataFlash of the program to debug
25. ay 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 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
26. d P44 P45 P46 P47 R32C 111 R382C 116 R32C 116A ROM size 4 KB R32C 117 R382C 117A RAM size 364 bytes R32C 118 R382C 118A Stack 32 bytes R32C 120 R32C 121 R32C 145 Address match interrupt R32C 151 R32C 152 R32C 153 Pins P50 and P55 1 R32C 156 R32C 157 UART1 function and P64 P65 P66 P67 Emulator power supply 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 R32C E8a Emulator Debugger V 1 01 00 or later 1 For 64 pin and 80 pin versions of the R32C 111 Group the E8a emulator uses pins P80 and P81 instead of pins P50 and P55 R20UT0607EJ0700_ Rev 7 00 Page 5 of 43 Apr 08 2011 7tENESAS E8a Emulator 2 E8a Emulator Specifications Table 2 2 Operating Environment Temperatures Active 10 C to 35 C Inactive 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 No corrosive gases 2 2 2 Applicable tool chain and t
27. ea 6 7 Debug functions 1 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 2 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 3 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 4 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 invalid while all the PC breaks remain valid 5 Debugging in
28. ececeeeeeeeeeeececeeeeeceaeeeeaaeeeeeeeeeaeeesaaeeeeaaeseeeeeesaeeeeaeseenees 9 4 1 MCUs other than R82C 160 and R82C 161 0 0 ccceccece cece eeecceeeeeeeeeeeee eae eeeeaeeeeaeeseeeeseaeeseaaeeseeeeesaeeesaeeeeneeeed 9 4 1 1 Examples of pin handling for connecting the E8a whole CONNECTION ccceeeeeeeeeeeteeeeeteaeeeeeeeeeeeeeees 9 4 2 R320 111 64 pin AN BO piN oo cee ariiraa iaaa aaa aaa Aa Aaa EE Eaa 18 4 2 1 Examples of pin handling for connecting the E8a whole connection s ssseesseessisssrsssrrssrnsrrnsrrnssrnses 18 4 3 R320 160 and R32C 16 T sssini oeae e aiie E ia EEA EE E ENA i aaee iaeia 21 4 3 1 Examples of pin handling for connecting the E8a whole COnnection ccccceeeeeseeceeeeseeeeeseaeeneneees 21 4 4 Interface circuit in the E8a emulator ccecececeseeeeseeeeeeeeceeeeeeaaeseaaeeceaeeecaaesseaaeeeaeeecaaeeseaaesseneesnaeeseeaaesseneeenaees 24 5 Emulator Debugger STING assess rsisi uaiiie adaha a aaa aaa aAa vewnss aaa aaea a Aaaa ATENE 25 5 1 Emulator Setting dialog DOX xssceiesstaxseccceveccussiceazanesvecsusdban aeaaeae a E teased eaaa E AEE a TEE 25 5 2 Em lator mode TAD sec eciccseeceeccnesccnuestan akanan ine aa aaae aaae daaa eaae ea ka Aaaa aae aa 26 5 8 Firmware Location taD iss ccsentaveciesitavestreestedssgeauwnsnes iaa aaae anaE aeaa aaa aeaa a a TER 28 BA MCU Setting taD naissensa e aaae ine aaraa eaaa Aei a a AENEA aaa a aena EEEE 29 5 5 Communication Baud Rate tab ivss
29. f 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 chip mode See Figure 4 17 Pulled up at 4 7KQ or more P45 1 P55 1 P50 RESET RESET Pulled up at 4 7kQ or more Pulled down at 4 7kQ or more E8a Connecting Open collector buffer Connector Vss User system Figure 4 17 Example of an E8a Connection Single chip Mode R32C 160 and R32C 161 Only 1 For details on setting pins P44 and P45 refer to 4 3 1 1 SCLK RxD TxD and BUSY pins on page 22 For details on setting pins P50 and P55 refer to 4 3 1 2 EPM and CE pins on page 22 R20UT0607EJ0700 Rev 7 00 Page 21 of 43 Apr 08 2011 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a 1 SCLK RxD TxD and BUSY pins Pins P44 BUSY P45 SCLK P46 RxD and P47 TxD are used exclusively by the E8a emulator Connect pins P46 and P47 to the E8a emulator after pulling up the MCU pins at the Vcc Vcc1 level For P44 and P45 pull up the pins at the Vcc Vcc 1 level or pull down them according to the MCU pin state after disconnecting the E8a emulator P44 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 22 on page 24
30. he E8a Emulator 6 6 Functions of the E dataFlash 1 Program download Program download is possible as well as user program download 2 Memory access to the E dataFlash area during user program halt Memory access to the E dataFlash area is possible as well as the ROM and RAM When the memory is accessed from the memory window read write is performed according to the mode selected with the Use ECC for E2 Data Flash checkbox in the MCU Setting tab see 5 4 MCU Setting tab in the init dialog box which appears at debugger startup If the setting of this checkbox differs from that of the ECC Control Bit ECC enabled ECC disabled in the user program memory reference modification cannot be performed correctly 3 Memory access to the E dataFlash area during user program execution Memory access to the E dataFlash is not possible If the E dataFlash area is displayed in the memory or other windows 1 will be displayed for all the bits of the displayed area Do not stop the user program when it is processing the access to the E dataFlash area If the user program stops the operation to the E dataFlash is suspended and the access to the E dataFlash may not be processed properly even after the user program is restarted Disable the automatic update in the windows before running the user program so access to the E dataFlash does not occur during an execution 4 Other PC break points cannot be set in the E dataFlash ar
31. hird 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 NC100 V 1 01 Release 00 or later R20UT0607EJ0700_ Rev 7 00 Page 6 of 43 Apr 08 2011 2tENESAS 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 3 Connecting the E8a Emulator to the User System Before designing the user system be sure to read the E8a Emulator User s Manual and related device hardware manuals Table 3 1 Recommended Connector User system interface cable 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 1
32. ion Do not rewrite the flash area from the memory window etc except from the user program during user program execution 6 2 4 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 R20UT0607EJ0700 Rev 7 00 Page 35 of 43 Apr 08 2011 2tENESAS E8a Emulator 6 Notes on Using the E8a Emulator 6 2 5 Flash memory ID code This MCU function prevents the Flash memory from being read out by anyone other than the user The ID code in Table 6 6 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 6 ID Code Storage Area
33. it Table 6 1 Program Area for the E8a Emulator Program Area for E8a Emulator Vector Area ROM Area RAM Area FFFFFFFCh FFFFFFFFh 4 KB of the Program Area 1 364 B 1 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 Pins used by the E8a emulator The E8a emulator controls the MCUs by using the following pins depending on the usage For debugging programming R32C 160 and R32C 161 RESET CNVss P50 P55 P44 P45 P46 and P47 pins For debugging programming R32C 111 64 pin and 80 pin RESET CNVss P80 P81 P64 P65 P66 and P67 pins For debugging programming other than the above RESET CNVss P50 P55 P64 P65 P66 and P67 pins R20UT0607EJ0700 Rev 7 00 Page 31 of 43 Apr 08 2011 2tENESAS 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 E8a Emulator RO to R7 bank 0 1 0000h Activation AO to A3 bank 0 1 00000000h FB bank 0 1 00000000h SB bank 0 1 00000000h PC Reset vector value in the vector address table INTB bank 0 1 00000000h USP 00000000h ISP Work RAM Address for the E8a emulator 180h 1 SVF 00000000h
34. log box using one of the following methods After the debugger is launched select Menu gt Setup gt Emulator gt Emulator Setting 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 R20UT0607EJ0700_ Rev 7 00 Page 25 of 43 Apr 08 2011 7tENESAS E8a Emulator 5 Emulator Debugger Setting 5 2 Emulator mode tab Device selection mode specification and power supply setting are made from the Emulator mode tab of the Emulator Setting dialog box Emulator Setting Emulator mode Firmware Location Communication Baud Rate MCU Group R32c7111 Group Device R5F64110 Mode Erase Flash and Connect C Keep Flash and Connect C Program Flash C Debugging of CPU rewrite mode of m Power supply l Power Target from Emulator MAX 300m fs S Cancel Do not show this dialog box again Figure 5 2 Emulator mode Tab of Emulator Setting Dialog Box R20UT0607EJ0700_ Rev 7 00 Apr 08 2011 2tENESAS 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 27 Power supply Select the power supply to the user system When supplying power to the user sys
35. ram 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 9 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 DMACII 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 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 R20UT0607EJ0700 Rev 7 00 Page 34 of 43 Apr 08 2011 2tENESAS 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 re
36. rcuit necessary for designing the hardware Notes on using the E8a emulator Setting the E8a emulator debugger during startup R20UT0607EJ0700 Rev 7 00 Page 4 of 43 Apr 08 2011 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 R32C 100 Series Table 2 2 shows the operating environment of the E8a emulator Table 2 1 E8a Emulator Specifications for the R32C 100 Series Target MCUs M16C Family R32C 100 Series R32C 111 R382C 116 R32C 116A R382C 117 R32C 117A R32C 118 R32C 118A R32C 120 R32C 121 R382C 145 R32C 151 R382C 152 R382C 153 R32C 156 R32C 157 R32C 160 and R32C 161 Groups Available operating modes Single chip mode Memory expansion mode Microprocessor mode is not supported Power voltages 3 0 5 5V For details refer to the hardware manual of the MCU Debug functions Break functions Address match break 8 points PC break points maximum 255 points Forced break Trace functions None Flash memory programming function Available User R32C 160 R32C 161 Clock synchronous serial communication via P44 P45 P46 P47 interface Other Groups Clock synchronous serial communication via P64 P65 P66 P67 MCU R32C 160 R32C 161 ROM size 4 KB resources RAM size 364 bytes to be used Stack 32 bytes Address match interrupt Pins P50 and P55 UART1 function an
37. ssume 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 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 m
38. stem Figure 4 3 Example of an E8a Connection Dual Power Supply and Single chip Mode R32C 111 100 pin Only 1 For details on setting pins P64 and P65 refer to 1 SCLK RxD TxD and BUSY pins on page 14 For details on setting pins P50 and P55 refer to 1 EPM and CE pins on page 15 R20UT0607EJ0700 Rev 7 00 Page 12 of 43 Apr 08 2011 RENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a Pulled up at 4 7kQ to 22kO Pulled up at 4 7kQ or more a 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 4 Example of an E8a Connection Dual Power Supply and Memory Expansion Mode R32C 111 100 pin Only 1 For details on setting pins P64 and P65 refer to 1 SCLK RxD TxD and BUSY pins on page 14 2 The HOLD signal cannot be used Pull up P55 on the user system R20UT0607EJ0700 Rev 7 00 Page 13 of 43 Apr 08 2011 RENESAS 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 Vcc 1 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
39. 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 fix 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 6 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 mod is cancelled R20UT0607EJ0700 Rev 7 00 Page 38 of 43 Apr 08 2011 7tENESAS E8a Emulator 6 Notes on Using the E8a Emulator 7 DMAC and DMACTII 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 DMAO Mode Register DMDO Transfer mode select bit bit 1 0 00 DMA transfer disabled DMA Mode Register DMD 1 Transfer mode select bit bit 1
40. system R20UT0607EJ0700 Rev 7 00 Apr 08 2011 RENESAS Page 16 of 43 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 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 E8a Connecting Connector mcu Pulled up at 4 7KQ 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
41. t 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 questions 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 Inside the E8a Emulator User s Manual cccccceeeeeeeeeeee eee eeeeaeeeeaeeeeeeeeceaeeeeaaesseaeeseeeeeecaaesseaaeseeeeeseaeeesiaeeseaeeseaes 4 2 E84 EmUlator Specifications sananne a A A a acdiectaccas A a a nRa aaae 5 2 1 Em lator specifications senina iti aie aii ais es eee ei AE EAE Aa AAAA AERE EE 5 2 2 Applicable tool chain and third party products c cccsceceeeeeeeeeeeeeeeeeeeeceaeeecaaeeeeaee sense ceaeeesaaesdeeeesecaeeeeaeeseneeeed 6 3 Connecting the E8a Emulator to the User System ccsccceeceeceeeeeeeeceeneeeeneeeceaeeeeaaeeeeeeeeaeeesaaeeseaaeseeeeeesaeeeeaeseenees 7 3 1 Connector for connecting the E8a emulator and the user SYStOM ccccceeeseceeeeeceeeeeeeaeeeeaeeseeeesaeeesaaeeeeeeetaas 7 4 Examples of Pin Handling for Connecting the E8a cccccecc
42. tem from the E8a click the Power Target from Emulator MAX 300mA checkbox Note that when debugging the system which operates the MCU with a dual power supply power cannot be supplied from the E8a Page 26 of 43 E8a Emulator 5 Emulator Debugger Setting 1 Selecting the Mode Table 5 1 Selecting the Mode Mode Description When starting the debugger the E8a emulator erases the Flash memory data for the MCUs Erase Flashand Connect 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 2 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 Simple debugged in this mode Program Flash 2 programmer When Execute the user program after ending the debugger is selected with the E8a 3 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 e
43. tessscccsccetessccecenssvceeusstarvearseececeesyadevuaeebaceesiutoevsdeteesez seve cette betecersanneveantuwseeeis 30 6 Notes on Using the ES8a EMUlAtOn irsinin itanna aeeai aaa aaao aae aaa a ao kadaa aa aa aa 31 6 1 MCU resources used by the E8a emulator eee eeeee cece cece eceteeeeeaeeeeeee cease eeeaaeeeeaeeseeeeeaaeseeaaeseeeeescaeeesaeenenneess 31 6 2 Flash MeMO iriennerien iaaa aeaaea a cei ot eda th dence Teva Eaa aa dev Aia cue aAa ERA EA 35 6 2 1 Note on debugging in CPU rewrite mode esseesseessessseessrestrtttntstntsttnttnntttntttnntnutnntnntuntunnnnnnnnnnnnn nnn 35 6 2 2 Note on rewriting flash MemOory ssesesssesssesssessitssetttttttttttttttutt tutt tn eeeaaeseceeeseaeeeeeaeseeaaeseeeeesiaaeeeseeseeeeen 35 6 2 3 Note on flash memory during user program EXECUTION cccceeececeteeeeeeeeeeeeeeeeeee eae eesaaee teense taeeeeaeeneneeeed 35 6 2 4 MCUs used for CEDUGGING cccceeeeceeeee cent eeeaeeeeaeeeeeeeeceaeeeeaaeedeeeeseeeeeeaaeeeeaaeeseaeeesaaesseaeeseeeeescaeeesaeeseneeee 35 6 2 5 Flash memory ID code ecccececeeeee cece ee ceeeeeaaeeeeeee ea eeee cece eeeaaesaeeeeeaaeeeeaaeegeaaeesaeeesaaeseeaaesseeeeseaeseeaesseneeee 36 6 3 Count Source protect MOC ccccccccceeeteceeececeeeeeeeaeeeeaaeeaeeeceaeeseaaesaaeecaeeecaaeseeaaeeegaeeseaaesseaaesseeeescaeeseaaesseaeeess 37 GA POWER SUPPIY A hen baat A dh sdedagaceesunt th A A oxfedeuint nsdseecd 37 6 5 Operation during a user program Nalt
44. 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 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 E8a Connecting Connector mcu Pulled up at 4 7KQ or more Open collector buffer Figure 4 21 Example of a Reset Circuit 5 Other pins Connect Vss and Vcc to the Vss and Vcc of the MCU respectively The amount of voltage input to Vcc 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 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 R20UT0607EJ0700 Rev 7 00 Page 23 of 43 Apr 08 2011 7tENESAS E8a Emulator 4 Examples of Pin Handling for Connecting the E8a 4 4 Interface circuit in the E8a emulator Figure 4 22 shows the interface circuit in the E8a emulator Use this figure as a reference when determining the pull up resistance value Power supply circuit use only with power supply mode Emulator control circuit 3 3V ee 74LVC125 1 gt 1 lt User system connecter 8 2SC2462 1 Power for 74LVC125 is supplied from Vcc in the
45. write CPU for the following area If these areas are rewritten the E8a emulator will not control the MCU Block 0 area addresses FFFF8000h FFFFFFFFh 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 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 6 2 2 Note on rewriting flash memory 1 Do not reset nor execute debugging operations to the MCU when rewriting the flash memory Flash memory rewrite ends when the Flash memory write end is displayed in the output window of the High performance Embedded Workshop If the MCU is reset or debugged 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 Note on flash memory during user program execut
46. xecuted Setting the PC break points Debugging of CPU rewrite Debugging mg pol Changing the memory contents in the Flash memory area jada only 1 di In this mode when starting the debugger the E8a emulator erases the Flash memory data for the MCUs and simultaneously writes the E8a emulator program 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 When downloading the user program in this mode a checksum is displayed The checksum covers the E dataFlash area However when ECC is used the ECC area is not covered by the checksum In addition note that the E dataFlash area is erased when starting up in this mode R20UT0607EJ0700_ Rev 7 00 Page 27 of 43 Apr 08 2011 7tENESAS 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 Firmware Location Select the area in which the firmware is located Emulator Setting Emulator mode Firmware Location Communication Baud Aate Specify the address that will not be used by the user system in the ROM area or RAM area Firmw
47. 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 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
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