M16C User Manual.pdf

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Memory Space Expansion FunctionsMitsubishi microcomputers<strong>M16C</strong> / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTER(2) Expansion mode 1In this mode, the memory space can be expanded by 176K bytes in addition to that in normal mode.Figure 1.8.2 shows the memory location and chip select area in expansion mode 1._______ _______ _______In accessing data in expansion mode 1, CS3, CS2, and CS1 go active in the area from 0400016 through_______2FFFF16; in fetching a program, CS0 goes active. That is, the address space is expanded by using the________ _______ _______area from 0400016 through 2FFFF16 (176K bytes) appropriately for accessing data (CS3, CS2, CS1)_______and fetching a program (CS0).Expansion mode 1 (memory space = 1.2M bytes for PM15 = 1, PM14 = 0)00000160040016XXXXX160800016D000016YYYYY16FFFFF16Memoryexpansion modeSFR areaInternal RAMareaInternal area reservedExternal area040001628000163000016Internal area reservedInternal ROMareaMicroprocessormodeSFR areaInternal RAMareaInternal area reservedExternalareaCS3(16K bytes)CS2(128 Kbytes)CS1(32K bytes)CS0Memory expansionmode:816K bytesMicroprocessor mode:1008K bytes0400016to2FFFF163000016toFFFFF16176K bytes= the extent of memory expandedCS0:active in fetching a programCS1, CS2, CS3:active in accessing dataCS0:active both in fetching a programand in accessing dataType No. Address XXXXX16 Address YYYYY16M30622M4 00FFF16 F800016M30620M8 02BFF16 F000016M30620MAM30620MC/ECM30622M8/E8M30622MAM30622MCM30624MG/FG02BFF1602BFF16013FF16017FF16017FF16053FF16E800016E000016F000016E800016E000016C000016Note 1: These memory maps show an instance in which PM13 is set to 0; but in the case of M30624MG/FG, they show aninstance in which PM13 is set to 1.Note 2: The memory maps in single-chip mode are omitted.Figure 1.8.2. Memory location and chip select area in expansion mode 123
Memory Space Expansion FunctionsMitsubishi microcomputers<strong>M16C</strong> / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERA connection exampleFigure 1.8.3 shows a connection example of the MCU with the external memories in expansion mode 1.______________In this example, CS0 is connected with a 1-M byte flash ROM and CS2 is connected with a 128-K byteSRAM.An example of connecting the MCU with external memories in expansion mode 1(An example of using M30622MC in microprocessor mode)M30622MCD0 to D7A0 to A16A17A18A19CS1CS2CS3RDCS0817DQ0 to DQ7AD0 to AD16AD17AD18AD19OECS1M byte flash ROMWRDQ0 to DQ7AD0 to AD16OES2S1W128K bytes SRAM00000160040016SFR areaInternal RAMarea017FF16Internal area reserved0400016080001628000163000016D000016FFFFF16External areaSRAM(128K bytes)Usable fordata onlyCS2(128K bytes)FlashROM(1M byte)Usable forprograms onlyUsable both forprograms andfor dataCS0(1008K bytes)Figure 1.8.3. External memory connect example in expansion mode 124
Page 1 and 2: To all our customersRegarding the c
Page 3 and 4: Keep safety first in your circuit d
Page 5 and 6: This manual comprises of eight chap
Page 7 and 8: Table of ContentsChapter 1 Hardware
Page 9 and 10: 2.5 Clock-Asynchronous Serial I/O (
Page 11 and 12: 4.2.1 Interrupt Enable Flag .......
Page 13 and 14: Quick Reference to Pages Classified
Page 15 and 16: Quick Reference to Pages Classified
Page 17 and 18: DescriptionMitsubishi microcomputer
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Page 31 and 32: ResetMitsubishi microcomputersM16C
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Page 37: Memory Space Expansion FunctionsMit
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Page 45 and 46: Processor ModeMitsubishi microcompu
Page 47 and 48: Bus SettingsMitsubishi microcompute
Page 49 and 50: Specified address rangeBus ControlM
Page 51 and 52: Bus ControlMitsubishi microcomputer
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TimerMitsubishi microcomputersM16C
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Timer AMitsubishi microcomputersM16
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Timer BMitsubishi microcomputersM16
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Timers’ functions for three-phase
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Serial I/OMitsubishi microcomputers
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UART2 Special Mode RegisterMitsubis
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UART2 Special Mode RegisterMitsubis
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UART2 Special Mode Register 2Mitsub
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UART2 Special Mode Register 2Mitsub
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S I/O3, 4Mitsubishi microcomputersM
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CRCMitsubishi microcomputersM16C /
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Usage precautionMitsubishi microcom
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Electrical characteristicsMitsubish
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Electrical characteristics (Vcc = 5
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TimingMitsubishi microcomputersM16C
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Timing (Vcc = 5V)Mitsubishi microco
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IssuancesignatureReceiptMitsubishi
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Description (Flash Memory Version)M
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CPU Rewrite Mode (Flash Memory Vers
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Functions To Inhibit Rewriting (Fla
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Appendix Parallel I/O Mode (Flash M
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Appendix Standard Serial I/O Mode (
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ProtectMitsubishi microcomputersM16
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ProtectMitsubishi microcomputersM16
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SI/O3, 4Mitsubishi microcomputersM1
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D-A ConverterMitsubishi microcomput
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CRC Calculation CircuitMitsubishi m
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Watchdog TimerMitsubishi microcompu
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Address Match InterruptMitsubishi m
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Key-Input InterruptMitsubishi micro
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Key-Input InterruptMitsubishi micro
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Power ControlMitsubishi microcomput
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ApplicationsMitsubishi microcompute
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Standard CharacteristicsMitsubishi
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Appendix 1Mitsubishi microcomputers
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Appendix 2 Hexadecimal instruction
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Appendix 3 Setting register for pin
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MITSUBISHI Single-Chip Microcompute
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