R8C/Tiny series FoUSB/UART User`s Manual
Contents
1. fal Tl Renesas M16C Standard Toolchain e 5 Debug Build File Ctrl F7 Ss ES ould m n o aag a Build Multiple 5K KAKA RAR A N AAA AAA AAA EAA AAA AAA AAA AA AEA sample Update All Dependencies Tiny M16C 60 30 20 10 sample 000 2004 Renesas Technology Corp S E Assembly sour 2 Stop Build Ctrl Break All rights reserved fi ti Terminate Current Tool a C source file sample c Build Phases Dependencies licable when using the basic I O library E sect30 ing Build Configurations lartup program 27 4 4 2004 10 29 14 06 38 simomura Exp Linkage Order IEEE EI EEE I I ER II IE III IIE Generate Makefile set size of monitor area for FoUSB equ 600H for default equ _Firmvare_space 12 n The result of a build is displayed 5 Fie Edit View Project Build Debug Setup Tools Window Help 8X laje soo Osha a 4 e ewes es psn ela RA josss zizi HHH HH HHH HII IIH AHI H AHHH AAAI III IA IIIA IIIA IIIA E EEEE EEE EEE III SII ISIS II IIE sample C COMPILER for R8C Tiny M16C 60 30 20 10 B sample Copyright C 1999 2000 2004 Renesas Technology Corp E E Assembly source and Renesas Solutions Corp All rights reserved nert0 a30 NC30 startup progran sample c Dependencies This program is applicable when using the basic I O library B sect30 inc J Id ncrt0 a30 y2. User RAM OODFFh Monitor RAM Sen OOFFFh 7 undefined instruction BRK Instruction 04000h Address Match Flash Memory Monitor Program 48KB Single Step User Program Watchdog Timer Area Address Break OFFFFh Flash Memory 16KB 13FFFh NOTES are occupied areas for the monitor program Figure 3 Memory Map of R8C Tiny 17 4 Occupied Area for Monitor Program Table 1 Occupied Area for Monitor Program ROM RAM Occupied Area for Monitor Program Vector 32KB 2KB Vector FFE8h to FFEBh FFECh to FFEFh FFF4h to FFF7h 48KB 2 5KB RAM DFFh Flash memory 4000h to 49FFh Vector FFE8h to FFEBh FFECh to FFEFh FFF4h to FFF7h 64KB 3KB RAM DFFh to FFFh Flash memory 4000h to 49FFh FFE8h to FFEBh FFECh to FFEFh FFF4h to FFF7h 5 Precautions on Using R8C UART Debugger 5 1 When changing the communication speed and restarting the R8C UART debugger after the RBC UART debugger ends The target MCU holds the baud rate value after the R8C UART debugger ends Therefore when changing the communication speed and restarting the R8C UART debugger a communication error occurs The R8C UART debugger can be started when using the previous communication speed When changing the communication speed turn off the target power and turn on the power again 5 2 ID code of user program Set the ID code of the user program to all FFh when using the R8C UART debugger Ta
3. here and push the Next button If necessary check other products i Next set the configuration file name Configurations are the build option settings e g output of debug information or optimization having their own names The term configuration can also be referred to as build configuration New Project 6 7 Setting the Debugger Options Target name M16C RSC FoUSB UART Configuration name Debug_M16C_R8C_FoUSB_UART Detail options Item Setting Modify lt Back ne gt Finish Cancel j Finally check the file name to be generated New Project 7 7 Changing the File Names to be Created Aa The following source files will be generated File Name Ext Description sample c Main Program nertO a30 Startup file sect30 inc Start up file Next gt Finish Cancel 10 k The above settings display the file which the High performance Embedded Workshop generates When pushing the OK button High performance Embedded Workshop starts Summary 11 1 When double clicking the source program an editor starts and can be edited ample High performance Embedded Workshop File Edit View Project Build Debug Setup Tools Window Help rr alt jocua S s malo ows dpe Jal nea xix nert0 a30 2 C source file sample c 5 Dependencies E sect30 ine Build Debut Find in Files Version Control
4. 1 27 4 4 2004710 29 14 06 38 simomura Exp 1 JEJEJEJE JERE JE JEJEJE JEJEJE FE JEJEJE IE IEE JE JEJEJE IEEE JEJEJEJE EIEE JEJEJEJE IEE JEJEJEJE IEE EJE JEJEJEJE E IER IER HEI IE EE _Firmware_space 0 FoUSB_MON equ 600H for default equ _Firmvare_space JyPhase M16C Load Module Converter starting Load Module Converter lmc30 for R8C Tiny M16C 60 Series Version 4 01 00 000 Copyright C 2004 Renesas Technology Corp and Renesas Solutions Corp All Rights Reserved Phase M16C Load Module Converter finished Build Finished 0 Errors O Warnings Build Debu Find in Files Version Control o Next connect with the target Switching to the registered session file in which the setting uses the R8C UART debugger in advance can connect simply performance Embedded Workshop ncrt0 a30 2 File Edit View Project Build Debug Setup Tools Window Help ax p a7 josua 4 ee e eies pas fpes ela josag gt HHH HHI H IIH H IIIA IAI I III I IAAI III II III IIIS II IIIS II IIIS IIIS IIIS ISIS ISIS III C COMPILER for R8C Tiny M16C 60 30 20 10 Copyright C 1999 2000 2004 Renesas Technology Corp and Renesas Solutions Corp All rights reserved a C source file sample c Dependencies This program is applicable when using the basic I O library E sect30 ine Id nort0 a30 v 1 27 4 4 2004710729 14 06 38 simomura Exp ncrt0 a30 NC30 startup
5. REJ10J1217 0100 Everywhere you imagine g l ENESAS M16C R8C FoUSB UART Debugger User s Manual RENESAS MICROCOMPUTER Development Environment System M16C Family R8C Tiny Series Precautions on Connecting R8C 20 R8C 21 R8C 22 R8C 23 Rev 1 00 Renesas Technology Issued Aug 01 2006 www renesas com Active X Microsoft MS DOS Visual Basic Visual C Windows and Windows NT are either registered trademarks or trademarks of Microsoft Corporation in the United States and other countries IBM and AT are registered trademarks of International Business Machines Corporation Intel and Pentium are registered trademarks of Intel Corporation Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated All other brand and product names are trademarks registered trademarks or service marks of their respective holders Keep safety first in your circuit designs Renesas Technology Corporation and Renesas Solutions Corporation put 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 appropriate measures such as i placement of substitutive auxiliary circuits ii use of nonflammable material or iii prevention against any malfunction or mishap Notes regarding these mat
6. TR Sol TxD Be 0807 CTS als Ro 2 20 i 10 fol Ki JUMPER for RS 232C Straight IBM PC AT Ve lie S __ 20MHz S77 5k g XOUTIP4_7 Figure 2 Circuit Example with RS 232C Cable 2 Prepare M16C R8C FoUSB UART emulator debugger In the M16C R8C FoUSB UART debugger R8C UART debugger connecting a PC and the target with the RS 232C can perform debugging It is not necessary to prepare a monitor program for a user since it is bundled when installing the M16C R8C FoUSB UART debugger As for the R8C Tiny the monitor program is automatically programmed when starting the R8C UART debugger It is not necessary to program the monitor program with the M16C FlashStarter etc in advance a Start the High performance Embedded Workshop When clicking Start Program Renesas High performance Embedded Workshop and High performance Embedded Workshop Welcome dialog is displayed Welcome Options OK Cancel 2 C Open a recent project workspace Administration Os C Browse to another project workspace e Create a new project work space Select when creating a new workspace e Open a recent project workspace Select when using the existing workspace Display a history in an open workspace e Browse to another project workspace Select when using the existing workspace This button is used when the open history does not remain When selecting the existing wo
7. ble 2 Storing Address of ID Code R8C 10 Group Address D No Vector Table OFFDFh OFFDCh ID1 Undefined Instruction OFFE3h OFFEOh ID2 Overflow OFFE7h OFFE4h BRK Instruction OFFEBh OFFE8h ID3 Address Match OFFEFh OFFECh ID4 Single Step OFFF3h OFFFOh ID5 Watchdog Timer Oscillation Stop Detection Voltage Monitor 2 OFFF7h OFFF4h ID6 Address Break OFFFBh OFFF8h ID7 Reserved OFFFFh OFFFCh NOTES 1 Reset NOTES 1 Refer to the hardware manual for the value set in OFFFFh 18 5 3 Area in which user program can be downloaded As shown in Figure 3 a part of RAM or Flash Memory is used for the monitor program when using the R8C UART debugger The R8C UART debugger does not download the user program in the area which overlaps with a monitor program when a user program overlaps with a monitor program Note that the R8C UART debugger does not perform an error output at this time 5 4 Frequency characteristics The monitor program operates in the range of the main clock Xin frequency which is shown below Use an oscillator which has this range of the frequency since the monitor program may not operate with the frequency other than the following 1MHz Min to 2OMHz Max Table 3 lists each frequency and communication available speed However note that operation may not be performed when dividing the main clock and using it with 1MHz or below even in t
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9. eeeeeeeeeeseeeaeeeseeaeeeseeaeeeeeeaeees 19 5 5 Limitations on SFR operation cccccccececeeceeceeeeeeeeeceneaeceeeeeeeeseseccaeaeeeeeeesetsnniaeeeeees 20 5 6 Limitations on stop mode or wait mode cccccceeeeeeeceeceeeeeeetecencaeceeeeeeeeseeennieaeeeeees 20 S7 Watchdog timer eriei iR a E ARAE EAEE Gace cee gee 20 5 8 Real time operation of user program ecccceceeeeeeeeeeeceeeeeeesececnaeaeeeeeeesetecsieaeeeeees 21 5 9 Exceptional step execution cccccccecececeeceeceeeceeeeeceneaaeeeeeeeeesesecaneeeeeeeesasecnisaeeeeeess 22 5 10 Limitations on peripheral functions cc cece ceeceece cece eeeeeeeeeeeeeeeeeeeecaaeeeeeeeeeteesnaeees 23 5 11 Limitations on flag register sansirnar ana Aiape aA R eraai 23 5 12 Operation on peripheral I O during break ccccceceeeeeeeeeceeeeeeeeeeeeneecaeeeeeeeeeteees 23 1 Connection with User System Host External Power Supply Computer lea a Ce PERREN B E ji BEE Target Board Figure 1 Connection Example with User System LHA 0812 472K Voc O tuF i iT S77 10 Vss AVss VeclAVec 411 2aF 220 eee 10 Voo 5V Voc D i DIODE CON 5 5k P6_7 RxD1 1 O 4uF om P6_6 TxD1 77 Veco D suB9 CONNECTOR S zy ono OR D
10. ep In TP step Over P Step Out step Step Mode Ctrl Shift Fil F10 Shift F11 Halt Program Initialize a Connect ka Disconnect IDONANANNDANANAE E or R8C Tiny M16C760 30 20 10 1999 2000 2004 Renesas Technology Corp Solutions Corp All rights reserved NC30 startup program is applicable when using the basic I O library 30 v 1 27 4 4 2004710729 14 06 38 simomura Exp 0 600H for default _Firmvare_space Save Memory Verify Memory 15 u Clicking Debug and Reset CPU resets the user program ample gh performance bedded Wo op 0 a30 5 lt gt File Edt View Project Build Setup Tools Window Help 5x jr 6 m ie 0 8 2 _ Debuasesson JT Deag 4 gt e e EF ut LP P Gq Debug Settings Sessonmtec RecFous x 2t a JARA o a a a m m E zxi El so F5 E E sample Reset Go Shift F5 Dg opes He Free Go SAI ION IONE IRIN ON III II II II I TITTIES a ssembly source MPILER for R8C Tiny M16C 60 30 20 10 ra right C 1999 2000 2004 Renesas Technology Corp 9 C source file Ei G To Cursor Renesas Solutions Corp All rights reserved sample c Ipc Set PC To Cursor aa inload modu Bun 0 a30 NC30 startup program E sample x30 pe Display PC Ctrl Shift Y 5 Dependencies E sect30 ine program is applicable when using the basic I O library P Step In Fil TP
11. eration of user program e Sampling Run Sampling Mode In sampling mode the execution status of the user program will be monitored regularly when executing Go and Come Therefore the stop of the user program by a break can be detected Select this mode when performing normal debug e Free Run free run mode In free fun mode the execution status of the user program will not be monitored when executing Go and Come The stop of the user program by a break cannot be detected although real time operation of the user program can be guaranteed Therefore even the user program stops the R8C UART debugger does not stop executing Go and Come Push the STOP button to stop the R8C UART debugger NOTES In free run mode use the R8C UART debugger while the RAM window C watch window and ASM window are closed 21 5 9 Exceptional step execution e Software interrupt instruction The step execution cannot be performed continuously for the instruction internal process of the instructions undefined instruction overflow BRK instruction and INT instruction which generate the software interrupts Example INT instruction NOP NOP INT 3 Break point is skipped over NOP when performing step execution JMP MAIN INT_3 NOP lt lt _ _ Address at which program execution ought to stop NOP NOP REIT e INT instruction Set the software break for the INT instruction internal process and use the Go command to debug the program using the INT
12. erials These materials are intended as a reference to assist our customers in the selection of the Renesas Technology 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 Corporation Renesas Solutions Corporation or a third party Renesas Technology Corporation and Renesas Solutions Corporation assume no responsibility for any damage or infringement of any third party s rights originating in the use of any product data diagrams charts programs algorithms or circuit application examples contained in these materials All information contained in these materials including product data diagrams charts programs and algorithms represents information on products at the time of publication of these materials and are subject to change by Renesas Technology Corporation and Renesas Solutions Corporation without notice due to product improvements or other reasons It is therefore recommended that customers contact Renesas Technology Corporation Renesas Solutions Corporation or an authorized Renesas Technology 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 Corporation and Renesas Solutions Corporation assume no responsibility for any damage liability or other loss rising f
13. he range of frequency shown above Table 3 Communication Available Speed of Each Frequency Frequency Communication Speed bps 4800 9600 19200 38400 20MHz N A N A y y N N 16MHz N A N A y y N N 14MHz N A N A J J J J 12MHz N A N A J J J J 10MHz N A J J J J J 8MHz N A y y y N N 6MHz N A y y y N N 4MHz y y y N y N A 2MHz y y N y N A N A 1MHz J J J N A N A N A y Communication available N A Communication not available NOTES A communication may not be performed depending on the conditions of temperature or voltage In this case use the R8C UART debugger with the lowered communication speed 19 5 5 Limitations on SFR operation Table 4 lists the limitations on a register operation Also the monitor program does not operate properly when the register to which the change is disabled is changed Table 4 Limitations on SFR Operation Register Default imitation Change NEMS Processor Mode Register 0 Reset to 00h Single chip moce only Processor Mode Register 1 Reset to 00h N System Clock Control Register 0 Reset fo 08h Set the CMO5 bit to 0 System Clock Control Register 1 Reset fo 28h Setthe CM13 CM15 bit to T High Speed On Chip Oscilator Control Register Reset to 03h N 0 High Speed On Chip Oscillator Control Register N 1 High Speed On Chip Oscila
14. instruction Example NOP INT 3 Execute by Go command NOP JMP MAIN INT_3 lt _ _ NOP NOP REIT Break 22 5 10 Limitations on peripheral functions UART1 is used for a communication of the monitor program and the host computer Do not use UART1 for a user program Also the following pins should be used for a communication with the host computer Do not connect to other pins etc e R8C 20 23 Groups TxD1 26pin RxD1 27pin 5 11 Limitations on flag register When operating the flag register on the user program execute the FSET instruction and FCLR instruction not to change the debug flag D flag 5 12 Operation on peripheral I O during break Although an interrupt cannot be acknowledged during a break the peripheral I O continues operating For example when stopping the user program by a break after operating a timer the timer continues counting but the timer interrupt cannot be acknowledge 23 M16C R8C FoUSB ART Debugger User s Manual Precautions on Connecting R8C 20 R8C 21 R8C 22 R8C 23 Publication Date Rev 1 00 Aug 01 2006 Sales Strategic Planning Div BUDISMO BY Renesas Technology Corp Edited by Renesas Solutions Corp 2006 Renesas Technology Corp and Renesas Solutions Corp All rights reserved Printed in Japan M16C R8C FoUSB UART Debugger User s Manual Precautions on Connecting R8C 20 R8C 21 R8C 22 R8C 23 2CENESAS Renesas Technology Corp 2 6 2 Ote machi Chiyo
15. nd push the Next button e Next set the RTOS New Project 2 6 Select RTOS Iaget ype ESSE RTOS none Startup file type Default Startup files E Project 4 C source file SQ Assembly source file nertO a30 SQ Assembly include file E sect30 ine I Show file path lt Back ne gt Finish Cancel Select the RTOS and startup file type to be used and push the Next button f Next set the heap area etc New Project 3 6 Setting the Contents of Files to be Generated fx What kind of initialization routine would you like to create F Use Heap Memory Heap Size fo300H Generate main Function C source file lt Back ne gt Finish Cancel Set the heap size etc to be used and push the Next button g Next set the stack area New Project 4 6 Setting the Stack Area What are the stack settings User Stack Pointer Stack Size O80H Interrupt Stack Pointer Stack Size 080H lt Back ne gt Finish Cancel Set the stack size and push the Next button h When the setting of the tool chain ends the following screen is displayed New Project 5 6 Setting the Target System for Debugging fx CIM16C R8C Compact Emulator M16C ASC FoUSB UART JM16C R8C PC7501 Emulator JM16C R8C Simulator ORSC E8 SYSTEM External Debugger Target type R8C Tiny lt Back ne gt Finish Cancel Check the M16C R8C FoUSB UART
16. ported 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 Please contact Renesas Technology Corporation or Renesas Solutions Corporation for further details on these materials or the products contained therein a FF O N gt Table of Contents Connection with User System cceccecececeeeeeeeeeeeneeeeeeaeeeeeeaeeeseeaeeeeeenaeeeseeieeeeeseneeeeeeaaes 4 Prepare M16C R8C FoUSB UART emulator debugger ceeeceeeeeeeeeeeteteeeeettteeeeetneeeeee 5 Memory Map When Using R8C UART Debugger ce ceceeeteeeenteeeeeeneeeeeetaeeeeeeeneeeeeenaes 17 Occupied Area for Monitor Program c cccccccceeeeeneeeeeeeteeeeeeeneeeeeeaeeeseeeaeeeeeenieeeeseneeeeneaes 18 Precautions on Using R8C UART DebUQQE l eee eeeeneteeeenteeeeeenneeeeeenaeeeeeeenaeeeeeetaeeeeneaes 18 5 1 When changing the communication speed and restarting the RBC UART debugger after the RBC UART debugger Cnds ec iceeeeeeeeeeeneeeeeenneeeeeenaeeeseeeaeeeseeaeeeseeiaeeeseeieeeseeaes 18 9 2 Deade Of USEH progra wis setiececiczrectd sentecieate Seuaabtdecieiacdencaaatdadens EERE 18 5 3 Area in which user program can be downloaded ccccecseceeeeeeeeeeeeeeeeeseenneeeeeeeaees 19 5 4 Frequency characteristics ccccceceeeeeeeeeeeeeeeeeeeeeceeeeee
17. program 19 JEJEJE JEJEJEJE JEJEJEJE JEJEJE JE JEJEJEJE JEJE JEJE JEJEJEJE JEJEJEJE JEJEJEJE JEJEJE JEJEJEJE JEJEJEJE JEJEJE JE JEJEJEJE JEJEJEJE JEJEJEJE JEJE JEJEJEJE EIEEE if _Firmware_space 0 FoUSB_MON equ 600H for default else FoUSB_MON equ _Firmware_space on f Phase M16C Load Module Converter starting Load Module Converter lmc30 for R8C Tiny M16C 60 Series Version 4 01 00 000 Copyright C 2004 Renesas Technology Corp and Renesas Solutions Corp All Rights Reserved Phase M16C Load Module Converter finished Build Finished 0 Errors O Warnings Build Debu Find in Files Version Control 13 p The Init screen is displayed Select Serial radio button and push Reference button Init M16C R8C FoUSB UART Parallel fe Ser 16c 2D Group 9M 16C 6N Group 16C 65 Group 16C 6 Group 16C 10 Series 16c 24 Group 16c 26 Group 16C 264 Group 16C 28 Group m16c 29 Group 16 624 Group m16c 62P Group r Select an MCU file Select MCU File O RSC Tiny Series ea RSF21154 McU ea RSF21154UART MCU el RSF21164 McU ea RSF21164UART MCU el RSF21174 McU 1174UART MCU R5F21174UART 14 s When pushing OK a monitor program is downloaded Init M16C R8C FoUSB UART Parallel fe f LAN Oo Ue y s 38400 C sample High performance Embedded Workshop ncrt0 a30 B Debug 00 i elp Ipc Set PC To Cursor pc Display PC P St
18. rkspace and pushing the OK button the screen of s is displayed b Select Create a new project workspace radio button Push the OK button Welcome Options OK Cancel Administration ome E C Browse to another project workspace c The Project Generator starts When a tool chain is installed the following screen is open New Project Workspace Projects workspace Name Empty Application samplel KE Import Makefile Poaha Library sample Directory CAH ew3 sample Browse CPU family M16C bed Tool chain Renesas M16C Standard v Properties e Workspace name Apply the workspace name newly made Sample is applied as an example e Project name If the user wants to change the project name apply the project name e CPU type Select the applicable CPU type e Tool chain When using the tool chain select the applicable tool chain name When the tool chain is not used select None e Project type Select a project type that wants to be used d Next set the tool chain New Project 1 6 Select Target CPU Toolchain version Toolchain version 5 30 02 Which CPU do you want to use for this project If there is no CPU type to be selected select the CPU Type that a similar to hardware specification or select Other lt Back _ ne gt Finish Cancel Select the tool chain version and CPU series to be used a
19. rom these inaccuracies or errors Please also pay attention to information published by Renesas Technology Corporation and Renesas Solutions Corporation by various means including the Renesas home page http www renesas com 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 Corporation and Renesas Solutions Corporation assume no responsibility for any damage liability or other loss resulting from the information contained herein Renesas Technology 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 Corporation Renesas Solutions Corporation or an authorized Renesas Technology 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 The prior written approval of Renesas Technology Corporation and Renesas Solutions Corporation is necessary to reprint or reproduce in whole or in part these materials If these products or technologies are subject to the Japanese export control restrictions they must be ex
20. step Over F10 P Step Out Shift F11 nertO a30 v 1 27 4 4 2004710729 14 06 38 simomura Exp LIE IE IE DE JE JEJEJEJE JE EFE JEJE IE IE IE FE FE JEJEJE IE E FE JEJEJEJE IE FE FE JEJEJE IEE JE FE FEJE IE IEE FE JEJEJEJE IEE FE JEJEJEJE IE FE JEJEJE IEE EIE DEE IEEE Step Pa Step Mode p size of monitor area for FoUSB D Halt Program iznware_space 0 MON equ 600H for default Initialize MON equ _Firmvware_space nnect Save Memory erify Memory Download Modules gt Unload Modules Z l connected I Build Debug 4 Find in Files A Version Control 7 File Edit View Project Build Debug Setup Tools Window Help 0x JAA dT bsea 6 malo Fy Ei PPD ee E BG es e eeso rec rus A ll IN A Jacca BAB Ae P 2 C source file sample c 5 Download modu sample x30 Interrupt section start start S 0 start section interrupt 5 Dependencies E sect30 ine istack_top set istack pointer b 02h Oah b 00h 04h b 00h Qah 0080h flg stack_top sp data_SE_top ldintb VECTOR_ADR set processer mode stack pointer set sb register NEAR area initialize bss zero clear z gt Build Debug Find in Files A Version Control 7 262 361 16 3 Memory Map When Using R8C UART Debugger Figure 3 shows the Memory Map of R8C Tiny On chip Flash Memory 00000h 002FFh 00400h
21. tor Control Resetto 03h V Register 2 Oscillation Stop Detection Register Reset to 00h NA Protect Register SSS SS J Flag Register Whiting to the D flag is ignored Donotsetto 1 ISP Resetto057Fh Setthe value of O6FFh or below Interrupt Stack Pointer O6FFh to O7FFh are used for the monitor program UART 1 TransmitfReoeive Mode Register 15h Dono change NA UART 1 Bit Rate Register UART 1 TransmitReceive Control RegisterO 00h UART 1 TransmitfReoeive Control Register1 O7h UART 1 Fundion Selection Register Port Mode Register 10h UART 1 Transmit Buffer Register Donot write datato this register NA UART 1 Receive Buffer Register Donot write data to this register NA Possibletochange N A Disable to change Possible to change Limitations in part 5 6 Limitations on stop mode or wait mode When using stop mode or wait mode on a user program start the RBC UART debugger in free run mode and close a RAM window C watch window and an ASM window in advance Also do not operate the R8C UART debugger until the program stops at the break point by setting the break point after exiting stop mode or wait mode 5 7 Watchdog timer The watchdog timer is refreshed while the monitor program operates If the monitor program operates by referring or changing memory contents during the user program execution which uses the watchdog timer note that the watchdog timer will be refreshed 20 5 8 Real time op
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