M16C User Manual.pdf

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Appendix Standard Serial I/O Mode (Flash Memory Version)Mitsubishi microcomputers<strong>M16C</strong> / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERStatus Register (SRD)The status register indicates operating status of the flash memory and status such as whether an eraseoperation or a program ended successfully or in error. It can be read by writing the read status registercommand (7016). Also, the status register is cleared by writing the clear status register command (5016).Table 1.31.2 gives the definition of each status register bit. After clearing the reset, the status registeroutputs “8016”.Table 1.31.2. Status register (SRD)SRD0 bitsSR7 (bit7)SR6 (bit6)SR5 (bit5)SR4 (bit4)SR3 (bit3)SR2 (bit2)SR1 (bit1)SR0 (bit0)Status nameWrite state machine (WSM) statusReservedErase statusProgram statusBlock status after programReservedReservedReservedDefinition"1" "0"ReadyBusy--Terminated in error Terminated normallyTerminated in error Terminated normallyTerminated in error Terminated normally------Write State Machine (WSM) Status (SR7)The write state machine (WSM) status indicates the operating status of the flash memory. Whenpower is turned on, “1” (ready) is set for it. The bit is set to “0” (busy) during an auto write or auto eraseoperation, but it is set back to “1” when the operation ends.Erase Status (SR5)The erase status reports the operating status of the auto erase operation. If an erase error occurs, it isset to “1”. When the erase status is cleared, it is set to “0”.Program Status (SR4)The program status reports the operating status of the auto write operation. If a write error occurs, it isset to “1”. When the program status is cleared, it is set to “0”.267
Appendix Standard Serial I/O Mode (Flash Memory Version)Mitsubishi microcomputers<strong>M16C</strong> / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERProgram Status After Program (SR3)If excessive data is written (phenomenon whereby the memory cell becomes depressed which resultsin data not being read correctly), “1” is set for the program status after-program at the end of the pagewrite operation. In other words, when writing ends successfully, “8016” is output; when writing fails,“9016” is output; and when excessive data is written, “8816” is output.If “1” is written for any of the SR5, SR4 or SR3 bits, the page program, block erase, erase all unlockedblocks and lock bit program commands are not accepted. Before executing these commands, executethe clear status register command (5016) and clear the status register.268
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To all our customersRegarding the c
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Keep safety first in your circuit d
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This manual comprises of eight chap
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Table of ContentsChapter 1 Hardware
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2.5 Clock-Asynchronous Serial I/O (
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4.2.1 Interrupt Enable Flag .......
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Quick Reference to Pages Classified
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Quick Reference to Pages Classified
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DescriptionMitsubishi microcomputer
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Pin DescriptionMitsubishi microcomp
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CPUMitsubishi microcomputersM16C /
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CPUMitsubishi microcomputersM16C /
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ResetMitsubishi microcomputersM16C
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ResetMitsubishi microcomputersM16C
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SFRMitsubishi microcomputersM16C /
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Memory Space Expansion FunctionsMit
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Software ResetMitsubishi microcompu
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Processor ModeMitsubishi microcompu
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Bus SettingsMitsubishi microcompute
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Specified address rangeBus ControlM
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Bus ControlMitsubishi microcomputer
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Clock Generating CircuitMitsubishi
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Clock Generating CircuitMitsubishi
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Wait ModeMitsubishi microcomputersM
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Power controlMitsubishi microcomput
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ProtectionMitsubishi microcomputers
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InterruptMitsubishi microcomputersM
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______INT InterruptMitsubishi micro
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Address Match InterruptMitsubishi m
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Precautions for InterruptsMitsubish
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Watchdog TimerMitsubishi microcompu
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DMACMitsubishi microcomputersM16C /
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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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Clock synchronous serial I/O modeMi
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Clock asynchronous serial I/O (UART
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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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S I/O3, 4Mitsubishi microcomputersM
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A-D ConverterMitsubishi microcomput
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D-A ConverterMitsubishi microcomput
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CRCMitsubishi microcomputersM16C /
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Programmable I/O PortMitsubishi mic
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Usage precautionMitsubishi microcom
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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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Timing (VCC=5V)Mitsubishi microcomp
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TimingMitsubishi microcomputersM16C
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Timing (Vcc = 5V)Mitsubishi microco
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Electrical characteristics (Vcc = 3
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IssuancesignatureReceiptMitsubishi
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Page 251 and 252: Description (Flash Memory Version)M
Page 253 and 254: CPU Rewrite Mode (Flash Memory Vers
Page 265 and 266: Functions To Inhibit Rewriting (Fla
Page 267 and 268: Appendix Parallel I/O Mode (Flash M
Page 269 and 270: Appendix Standard Serial I/O Mode (
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Page 291 and 292: ProtectMitsubishi microcomputersM16
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Page 301 and 302: Counter content (hex)Timer AMitsubi
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Counter content (hex)Timer BMitsubi
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Clock-Synchronous Serial I/OMitsubi
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UARTMitsubishi microcomputersM16C /
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SIM interfaceMitsubishi microcomput
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SI/O3, 4Mitsubishi microcomputersM1
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Converted analog input pinConverted
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D-A ConverterMitsubishi microcomput
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CRC Calculation CircuitMitsubishi 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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Programmable I/O PortsMitsubishi mi
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ApplicationsMitsubishi microcompute
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Timer A1 countercontent (hex)Timer
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Timer A ApplicationsMitsubishi micr
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DMAC ApplicationsMitsubishi microco
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DMAC ApplicationsMitsubishi microco
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Controlling Power ApplicationsMitsu
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External BusesMitsubishi microcompu
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External ROMMitsubishi microcompute
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Standard CharacteristicsMitsubishi
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Absolute error [LSB]Standard Charac
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Absolute accuracy [mV]Absolute accu
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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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