E8 Emulator Additional Document for User`s Manual Notes
Contents
1. If the MCU is reset during rewriting the flash memory the user program or the program for the E8 emulator may be disrupted The followings indicate when the flash memory rewrite occurs When downloading the user program After the user program starts with setting up PC break on the flash memory After the user program starts with canceling PC break on the flash memory After the user program starts with rewriting the value of flash memory in the memory window Notes on the E8 emulator power supply When writing reliability required program with the E8 emulator under the mass production do not use the E8 emulator power supply function Separately supply appropriate voltage according to the MCU programming to the user system Since the supplied voltage from the E8 emulator depends on the quality of the USB power supply of the PC its precision is not guaranteed Notes on the emulator setup switch Use the emulator setup switch with the factory setting upper side 1 17 ENESAS Section 6 Setup the Debugger 1 Emulator Setting dialog box Emulator Setting dialog box is provided for setting the items that need to be set when the debugger starts up The contents set from this dialog box other than Power supply are also effective the next time the debugger starts When starting up the debugger first time after creating the new project work space Emulator Setting dialog box is displayed with the Wizard Emulator Sett2. charts programs algorithms or circuit application examples contained in these materials 3 All information contained in these materials including product data diagrams charts pro grams and algorithms represents information on products at the time of publication of these materials and are subject to change by Renesas Technology Corp without notice due to product improvements or other reasons It is therefore recommended that customers contact Renesas Technology Corp or an authorized Renesas Technology Corp product distributor for the latest product information before purchasing a product listed herein The information described here may contain technical inaccuracies or typographical errors Renesas Technology Corp assumes no responsibility for any damage liability or other loss rising from these inaccuracies or errors Please also pay attention to information published by Renesas Technology Corp by various means including the Renesas Technology Corp Semiconductor home page http www renesas com 4 When using any or all of the information contained in these materials including product data diagrams charts programs and algorithms please be sure to evaluate all information as a total system before making a final decision on the applicability of the information and products Renesas Technology Corp assumes no responsibility for any damage liability or other loss resulting from the information contained herein 5 Renesa
3. that other pins 2 6 10 and 12 are connected to Vss ENESAS ENESAS Section 4 Example of E8 Connection Figure 4 1 shows the connecting example Pulled up at 4 7k Q 10 Vcc MODE pin 7 R8C 2A R8C 2B R8C 2C R8C 2D Pulled up at 4 7kQ or more User system 14 pin 2 54mm pitch connector 1 Open collector buffer Figure 4 1 Example of E8 Connection When using the emulator as a programmer the specification of connection between the E8 and the MCUs is the same as shown in Figure 4 1 ENESAS Notes 1 The E8 emulator uses the MODE pin for the MCU control and the forcible break control Pull up the E8 emulator and MCU pins to connect the E8 emulator Vec Pulled up at User system x 4 7k2 110 connector R8C 2A R8C 2B R8C 2C R8C 2D Figure 4 2 Connection of E8 Emulator and MODE Pin 2 The RESET pin is used by the E8 emulator Therefore use an open collector output buffer or a CR reset circuit as the reset circuit of the user system The recommended pull up value is 4 7kQ or more The MCU can be reset by outputting L from the E8 emulator However if a reset circuit on the user system is the H output type reset IC it cannot be set L in the reset circuit on the user system and the E8 emulator will not operate normally User system Vcc connector R8C 2A R8C 2B R8C 2C Pulled up at R8C 2D 4 7k Q or more Open collector buffer Fig
4. REJ10J1486 0100 Everywhere you imagine CE NIC SAS E8 Emulator Sq Additional Document for User s Manual Renesas Microcomputer Development Environment System M16C Family R8C Tiny Series Notes on Connecting the R8C 2A R8C 2B R8C 2C and R8C 2D Rev 1 00 Renesas Technology February 16 2007 www renesas com Keep safety first in your circuit designs 1 Renesas Technology Corp puts the maximum effort into making semiconductor products better and more reliable but there is always the possibility that trouble may occur with them Trouble with semiconductors may lead to personal injury fire or property damage Remember to give due consideration to safety when making your circuit designs with ap propriate measures such as i placement of substitutive auxiliary circuits ii use of non flammable material or iii prevention against any malfunction or mishap Notes regarding these materials 1 These materials are intended as a reference to assist our customers in the selection of the Renesas Technology Corp product best suited to the customer s application they do not convey any license under any intellectual property rights or any other rights belonging to Renesas Technology Corp or a third party 2 Renesas Technology Corp assumes no responsibility for any damage or infringement of any third party s rights originating in the use of any product data diagrams
5. Tool chain M3T NC30WA V 5 20 Release 01 or later NC8C V 5 30 Release 01 or later Partner tools TASKING M16C C C EC Compiler V 2 3r1 or later IAR EWM16C V 2 12 or later 21 ENESAS 22 ENESAS E8 Emulator Additional Document for User s Manual Notes on Connecting the R8C 2A R8C 2B R8C 2C and R8C 2D Publication Date February 16 2007 Rev 1 00 Sales Strategic Planning Div Publishedby Renesas Technology Corp Microcomputer Tool Development Department Edited by Renesas Solutions Corp 2007 Renesas Technology Corp and Renesas Solutions Corp All rights reserved Printed in Japan E8 Emulator Additional Document for User s Manual ENESAS Renesas Technology Corp 2 6 2 Ote machi Chiyoda ku Tokyo 100 0004 Japan
6. 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 user s manual of the assembler ENESAS 10 11 12 13 14 15 16 17 Operation clock during a break During a user program break the emulator operates changing the CPU clock to the internal high speed on chip oscillator approx 8 MHz However the peripheral features operate with the clock specified by the user program Reset The reset vector is used by the E8 emulator program Ifthe MCU is reset while executing the user program control is transferred to the E8 emulator program and the user program is made to stop Do not use the voltage monitor 0 reset the voltage monitor 1 reset voltage monitor 2 reset watchdog timer reset and software reset otherwise the E8 emulator will not operate normally Memory access during emulation execution When referring or modifying the memory contents the user program is temporarily halted For this reason the real time emulation cannot be performed When the real time emulation is necessary during the program operation firstly disable the automatic update in the watch window or fix the display in the memory window so that the memory access will not occur during execution When the E8 does not supply power to the user system the E8 emulator consumes the pow
7. e Program Area for E8 Emulator a Programming Data Area Vector Area ROM ares Area Default Area R5F212A7 48KB R8C 2A R5F212A8 64KB 2KB of the ROM area 1 User Flash Area 13800h 13FFFh R5F212B7 48KB 2KB R5F212B8 64KB 2KB 2KB of the ROM area 1 R8C 2B FFE4h FFE7h Data Flash Area 2400h 2BFFh FFE8h FFEBh or FFECh FFEFh User Flash Area 13800h 13FFFh R5F212C7 48KB FFF4h FFF7h R8C 2C R5F212C8 64KB FFF8h FFFBh 2KB of the ROM area 1 i FFFCh FFFEh User Flash Area 13800h 13FFFh R5F212D7 48KB 2KB R5F212D8 64KB 2KB 2KB of the ROM area 1 R8C 2D Data Flash Area 2400h 2BFFh or User Flash Area 13800h 13FFFh When starting up the debugger the dialog box shown in Figure 5 1 is displayed Specify an area which is not used in the user system If Enable advanced setting check box is checked the area used by the emulator can be specified with the address Figure 5 2 ENESAS 11 Emulator Setting i Emulator Setting Emulator mode Firmware Location Communication Baud Rate Emulator mode Firmware Location Communication Baud Rate Please select firmware location Please select firmware location C Data Flash Area Data Flash rea User Flash Area User Flash rea Specify the address 138 00 13FFF MIN 04000 MAX 13800 Enable advanced setting IV Enable advanced setting E Cancel i Cancel F Do not show this dialog box again J7 Do not show this dialog bo
8. egister SITIC and UARTI receive interrupt control register SIRIC always read out the value of using the emulator The SFRs listed in Tables 5 3 and 5 4 are not initialized by selecting Debug gt Reset CPU or with the RESET command If their contents are referred to a value that has been set in the program for the E8 emulator will be read Table 5 3 SFR Used by Program for E8 Emulator 1 Address Register Symbol Bit 000Ah Protect register PRCR Bit O 1 0023h High speed on chip oscillator control register 0 FRAO Bit 0 0024h High speed on chip oscillator control register 1 FRA1 All bits 01B3h Flash memory control register 4 FMR4 Bit 7 From the E8 emulator software V 2 08 Release 00 Bit 1 of the protect register can change the value in other programs as well as the user program Table 5 5 SFR Used by Program for E8 Emulator 2 P Notes on using Address Register Symbol Bit the ES emulator 0010h 0012h Address match interrupt register O RMADO All bits 2 0013h Address match interrupt enable register AIER All bits 2 0014h 0016h Address match interrupt register 1 RMAD1 All bits 2 00A8h UART1 transmit receive mode register U1MR All bits 2 00A9h UART1 bit rate register U1BRG All bits 2 00AAh 00ABh UART1 transmit buffer register U1TB All bits 2 00ACh UART1 transmit receive control register 0 U1CO All bits 2 00ADh UART1 transmit receive c
9. er voltage of the user system from several mA to over 10 mA This is because the user power supply drives one 74LVC125A to make the communication signal level match the user system power supply voltage When debugging the flash memory is frequently re written by the E8 emulator Therefore do not use an MCU that has been used for debugging Also as the program for the E8 emulator is written into the MCU while debugging save the contents of the MCU s flash memory that have been used for debugging Do not use them as the ROM data for products Reserved area The addresses not specified in the Hardware Manual for R8C 2A R8C 2B R8C 2C and R8C 2D Groups are reserved area Do not change the contents Otherwise the E8 emulator cannot be controlled Debugging in the stop mode or wait mode When using the stop mode or wait mode on a user program do not operate the window until the program stops at the breakpoint by setting the breakpoint at the processing unit where the stop mode or wait mode is cancelled In addition firstly disable the automatic update in the watch window or fix the display in the memory window so that the memory access will not occur during execution When the program is stopped forcibly and the memory is referred or altered in the stop or wait mode the stop or wait mode will be cancelled Peripheral I Os during a break During a break although interrupts are not accepted peripheral I Os continue to be operated For examp
10. essnnnnnnnnnnennennnnennennnnannnnnnnnnennnnnnnennsannnensannennsannennnnann 5 Section 4 Example of ES Connection ueseessnsensssnnnennnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnensnnnnennsnnnnensnnnneensnansennnnann 7 Section 5 Notes on Using the E8 Emulator 40srsnsunnsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nenn 11 Section 6 Setupithe Debut toi statins 18 Section 7 Applicable Tool Chain and Partner Tools uusu222s0sssssnnnennennnnennnnnnnennnnnnennnnnnnnannennnannensnannennsnannennnn 21 This user s manual is applicable to the E8 emulator software V 2 09 Release 02 or later Section 1 Specifications of the E8 Emulator Table 1 1 shows the specifications of the R8C 2A R8C 2B R8C 2C and R8C 2D Groups E8 Emulator Table 1 1 Specifications of the R8C 2A R8C 2B R8C 2C and R8C 2D Groups E8 Emulator Target MCU M16C Family R8C Tiny Series R8C 2A R8C 2B R8C 2C and R8C 2D Groups Break function Address match break 4 points or Address match break 2 points Data condition break 1 point PC break up to 255 points Forcible break Latest 4 branch instructions Flash memory programming function Available User interface 1 line clock asynchronous serial interface communicating via MODE pin UART1 function cannot be used in a user program MCU resource to be used ROM size 2 KB Stack 8 bytes Address match interrupt UART 1 function Emulator power supply Un
11. ine Emulator mode Firmware Location Communication Baud Rate Device R5F21 2D8 v Mode Erase Flash and Connect C Keep Flash and Connect C Program Flash Power supply Power Target from ES MAX 300mA C o i it Gancel M Do not show this dialog box again Figure 6 1 Emulator Setting Dialog Box To keep the Emulator Setting dialog box closed the debugger is started next time check Do not show this dialog box again at the bottom of the Emulator Setting dialog box You can open the Emulator Setting dialog box using either one of the following methods After the debugger gets started select Menu Setup gt Emulator gt Emulator Setting E Start Debugger while holding down the Ctrl key When you check the Do not show this dialog box again the E8 does not supply power to the user system ENESAS 2 Emulator mode Tab The selection of the device the specification of the mode and the setting of the power supply are done in the Emulator mode tab ofthe Emulator Setting dialog box Emulator mode Firmware Location Communication Baud Rate Device R5F212D8 v Mode Erase Flash and Connect C Keep Flash and Connect Program Flash Power supply Power Target from ES MAX 300m oO Ez Figure 6 2 Emulator mode Tab Device Select the name of the MCUs to be used from the Device drop down list box Mode Erase Flash and Connect When starti
12. ited 14 pin straight type OO indicates coat specification Connect pins 2 4 6 10 12 and 14 of the user system connector to GND firmly on the PCB These pins are used as electrical GND and to monitor the connection of the user system connector Note the pin assignments of the user system connector User system interface cable Connector User system Pin 2 Figure 2 1 Connecting the User System Interface Cable to the User System Notes 1 Do not place any components within 3 mm of the connector 2 When using the E8 emulator as a programmer connect the E8 emulator to the user system in the same way ENESAS ENESAS Section 3 Pin Assignments of the E8 Connector Figure 3 1 shows the pin assignments of the connector R8C 2A 2B 2C and 2D MCU signals N C Vss N C Vss N C Vss MODE Vcc N C Vss N C Vss RESET Vss Pin NQ Pin 1 mark Connector Lalal pf plal um SS 5 N 00 oo 00 lo E O O T O O Oo b vv gt ar Bla wlan lo lO O N ul om Pin1 mark Figure 3 1 Pin Assignments of the E8 Connector Note Pin 14 is used to check for the connection between the E8 and the user system and pin 4 is connected to the internal circuit These pins are not directly connected to Vss inside the E8 Besides pins 4 and 14 make sure
13. le a timer interrupt is not accepted although counting a timer is continued when a user program is stopped by a break after operating a timer 15 ENESAS 18 Exceptional step operation a Software interrupt instruction STEP operation cannot be performed by continuously executing the internal processing of instructions undefined overflow BRK and INT which generates a software interrupt lt Example gt INT instruction gt Passes through if the STEP operation is carried out NOP lt The address at which the program should be stopped REIT b INT instruction Debugging of the program using the INT instruction should be used with the GO command by setting a PC break for the internal processing of the INT instruction lt Example gt Wop INT 3 NOP JMP MAIN INT 3 NOP Break lt NOP REIT Execution with the GO command 19 Go to cursor function The Run to cursor function is realized by using an address match break Therefore when you execute the Go to cursor command all the address match breaks and the hardware breaks you set become invalid while all the PC breaks remain valid 20 Note on PC break point When downloading a user program after changing it the set address of PC break may not be corrected normally depending on the changes After downloading a user program please check the setting of PC break by event point window and reset it 21 Note on setting the break condition
14. necessary 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 Power supply function Can supply 3 3V or 5 0V to the target board 300mA max Power voltage 3 0 5 5V f XIN 20MHz 2 7 5 5V f XIN 10MHz Varies depending on the device For detail see Section 5 Note on Using the E8 Emulator Table 1 2 shows the operating environment of the E8 Emulator Table 1 2 Operating Environment Operating 10 C to 35 C Temperature Storage 10 C to 50 C ha Operating 35 RH to 80 RH no condensation Humidity i Storage 35 RH to 80 RH no condensation Operating 2 45 m s max Vibration Storage 4 9 m s max Transportation 14 7 m s max ENESAS ENESAS Section 2 Connecting the Emulator with the User System Before connecting an E8 emulator with the user system a connector must be installed in the user system so that a user system interface cable can be connected When designing the user system refer to Figure 3 1 Pin Assignments of the E8 Connector and Figure 4 1 Example of E8 connection shown in this manual Before designing the user system be sure to read the E8 emulator user s manual and the hardware manual for related MCUs Table 2 1 shows the recommended connector for the emulator Table 2 1 Recommended Connector Type Number Specifications 14 pin connector 7614 600200 3M Lim
15. ng up the debugger erase the flash memory data of the MCUs The program for the E8 emulator is written at the same time Keep Flash and Connect When starting up the debugger keep the flash memory data of the MCUs Note that the area for the E8 emulator program and the E8 emulator used vector area will be changed Program Flash Select this mode when using the E8 emulator as a simple programmer On downloading write only the user program The program for the E8 emulator is not written Therefore the program cannot be debugged in this mode Power supply When Power Target from E8 MAX 300mA is checked power will be supplied to the user system up to 300mA 3 Firmware Location Tab For details see 1 Program area for the E8 emulator of the Section 5 Notes on Using the E8 Emulator 19 ENESAS 4 Communication Baud Rate Tab Select communication baud rate between E8 and MCU with the Communication Baud Rate tab At ordinary times select 500000bps default setting Emulator mode Firmware Location Communication Baud Rate Please select communication baud rate between ES and MCU 500000 bps m Figure 6 3 Communication Baud Rate Tab 20 ENESAS Section 7 Applicable Tool Chain and Partner Tools With the R8C Tiny Series E8 emulator you can debug a module created by the inhouse tool chain and third party products listed in Table 7 1 below Table 7 1 Applicable Tool Chain and Partner Tools
16. of the hardware breaks When selecting the normal address bus selecting Address radio button of Break condition dialog box as a condition for the address bus do not set the following addresses Otherwise a malformed break may occur Address in the interrupt vector table Address set in the interrupt vector table interrupt routine start address Branched address of the branching instruction Both fixed vector table and variable vector table are included with the interrupt vector table above ENESAS 22 23 24 25 Note on debugging in CPU rewrite mode CPU rewrite mode can be executed only for the data area If the CPU rewrite mode is executed for the program area E8 emulator will run out of control When rewriting the data area do not halt the user program after setting the CPU rewrite mode until releasing it If you do so the E8 emulator may run out of control Cancel the automatic renewal in the watch window in advance and select fixing display in the memory window to prevent a memory access from occurring while executing the user program To check the data after executing the CPU rewrite mode halt the program after releasing the CPU rewrite mode and see the memory window etc Notes on rewriting the flash memory Do not reset the MCUs when rewriting the flash memory The flash memory is completed to rewrite when the Flash memory write end is displayed in the output window of the High performance Embedded Workshop
17. ontrol register 1 U1C1 All bits 2 OOAEh OOAFh UART1 receive buffer register U1RB All bits 2 00F8h Port mode register PMR Bit 4 3 2 Do not change the value of the register 3 Do not change the value of the bits listed above When operating this register change it by a bit operating instruction etc in order to avoid changing the value of relevant bits Interrupts used by the E8 emulator program The BRK instruction interrupt address match interrupt single step interrupt and address break interrupt are used by the E8 emulator program Therefore make sure the user program does not use these interrupts The E8 emulator changes these interrupt vector values to the values to be used by the emulator It is not a problem if the interrupt vector values are written in the user program Debugging of a watchdog timer During the program for the E8 emulator operation the program for the E8 emulator refreshes the watchdog timer If a memory is accessed by the memory reference or modification the watchdog timer will be refreshed by the program for the E8 emulator Note that the operation timing is different from the actual one 13 ENESAS 9 ID code of flash memory This is the function of the MCUs which prevents the flash memory from reading out by other than the user The 7 bytes ID code in Table 5 5 written to the flash memory of the MCUs have to match with the ID code displayed in Figure 5 3 ID Code verification dialog bo
18. s Technology Corp semiconductors are not designed or manufactured for use in a device or system that is used under circumstances in which human life is potentially at stake Please contact Renesas Technology Corp or an authorized Renesas Technology Corp product distributor when considering the use of a product contained herein for any specific purposes such as apparatus or systems for transportation vehicular medical aerospace nuclear or undersea repeater use 6 The prior written approval of Renesas Technology Corp is necessary to reprint or reproduce in whole or in part these materials 7 If these products or technologies are subject to the Japanese export control restrictions they must be exported under a license from the Japanese government and cannot be imported into a country other than the approved destination Any diversion or reexport contrary to the export control laws and regulations of Japan and or the country of destination is prohibited 8 Please contact Renesas Technology Corp for further details on these materials or the products contained therein Contents Section 1 Specifications of the E8 Emulator oonoonccconociccnonocnncnononnnncnnnonnncnnnonnncnnnn nn nn cnn nn SEEE EASA n cnn rn cnn ren r rana nan Ennn 1 Section 2 Connecting the Emulator with the User System unsessssennsnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn ann nnnnnnnn nn 3 Section 3 Pin Assignments of the E8 Connector uesessssesen
19. ure 4 3 Example of a Reset Circuit 3 Connect Vss and Vcc with the Vss and Vcc of the MCU respectively 4 Connect nothing with N C 5 The amount of voltage permitted to input to Vcc must be within the guaranteed range of the microcomputer 6 Pin 14 is used to check for the connection between the E8 and the user system and pin 4 is connected to the internal circuit These pins are not directly connected to Vss inside the E8 Besides pins 4 and 14 make sure that other pins 2 6 10 and 12 are connected to Vss ENESAS 7 Figure 4 4 shows the interface circuit in the E8 emulator Use this figure as a reference when determining the pull up resistance value User system connector Power supply circuit Use only with power supply mode Emulator control circuit 74LVC125A 74LVC125A 2SC2462 1 Power of the upper 74LVC125A is supplied from Vcc in the user system connector or power supply circuit with power supply mode Figure 4 4 Interface Circuit in the E8 Emulator Reference ENESAS ENESAS 1 Section 5 Notes on Using the E8 Emulator Program area for the E8 emulator Table 5 1 lists the program area for the E8 emulator Do not change this area If this area is changed the E8 emulator will not operate normally In this case disconnect to the debugger and then reconnect Table 5 1 Program Area for the E8 Emulator ROM Siz
20. x again Figure 5 1 Firmware Location tab 1 in Figure 5 2 Firmware Location tab 2 in Emulator Setting Dialog Box Emulator Setting Dialog Box When the E8 emulator system is initiated it initializes the general registers and part of the flag registers as shown in Table 5 2 Table 5 2 Register Initial Values at Emulator Power On Initial Value Emulator PC Reset vector value in the vector address table Power On RO to R3 bank 0 1 0000h AO A1 bank 0 1 0000h FB bank 0 1 0000h INTB 0000h USP 0000h O5FFh 0000h 0000h The E8 emulator communicates with the MCUs by using the MODE and RESET pins The E8 emulator uses up to four word stack pointer when a user program breaks Accordingly reserve the four word addresses for the stack area Peripherals used by the E8 emulator program UARTI is used by the E8 emulator Do not use UART1 by the user program ENESAS SFR used by the program for the E8 emulator The SFR listed in Table 5 3 is used by the program for the E8 emulator as well as the user program Do not change the value in the memory window etc by other than the user program Note that although the SFR can be changed during the user program execution the changed value cannot be read at break The SFR listed in Table 5 4 is used by the program for the E8 emulator not user program Do not change values of these SFRs otherwise the E8 cannot be controlled Note that UARTI transmit interrupt control r
21. x at the debugger startup otherwise the debugger cannot be started up Note that when the ID code is FFh FFh FFh FFh FFh FFh FFh ID code is considered not set up In this case the ID code is automatically authenticated and ID Code verification dialog box is not displayed When debugging in Erase Flash and Connect mode or Keep Flash and Connect mode the ID code FFh FFh FFh FFh FFh FFh FFh is written into the ID code area regardless of the contents of the user program In Program Flash mode the value to be written in the ID code area depends on the contents of the user program Table 5 5 ID Code Storage Area of R8C 2A 2B 2C and 2D Address Description FFDFh First byte of ID code FFE3h Second byte of ID code FFEBh Third byte of ID code FFEFh Fourth byte of ID code FFF3h Fifth byte of ID code FFF7h Sixth byte of ID code FFFBh Seventh byte of ID code ID Gode verification Please input the ID code beine written in the flash memory ID Code 01020304050607 Input Mode e Hex Specify ID code by hexadecimal 14 digits C ASCI Specify ID code by ASCI character within letters Cancel Figure 5 3 ID Code verification Dialog Box Note on Program Flash mode When the ID code is specified by the ID option of the Imc30 download the MOT file or HEX file When the X30 file is downloaded the ID code is not effective When downloading the X30 file specify the ID code using
Download Pdf Manuals
Related Search