M16C/62 Group DATASHEET

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Appendix Standard Serial I/O Mode (Flash Memory Version)Mitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERFull Status CheckResults from executed erase and program operations can be known by running a full status check. Figure1.31.19 shows a flowchart of the full status check and explains how to remedy errors which occur.Read status registerSR4=1 and SR5=1 ?NOYESCommandsequence errorExecute the clear status register command (5016)to clear the status register. Try performing theoperation one more time after confirming that thecommand is entered correctly.SR5=0?YESNOBlock erase errorShould a block erase error occur, the block in errorcannot be used.SR4=0?YESNOProgram error (pageor lock bit)Execute the read lock bit status command (7116)to see if the block is locked. After removing lock,execute write operation in the same way. If theerror still occurs, the page in error cannot beused.SR3=0?YESNOProgram error(block)After erasing the block in error, execute writeoperation one more time. If the same error stilloccurs, the block in error cannot be used.End (block erase, program)Note: When one of SR5 to SR3 is set to 1, none of the page program, block erase,erase all unlock blocks and lock bit program commands is accepted. Execute theclear status register command (5016) before executing these commands.Figure 1.31.19. Full status check flowchart and remedial procedure for errors269
Appendix Standard Serial I/O Mode (Flash Memory Version)Mitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERExample Circuit Application for The Standard Serial I/O ModeThe below figure shows a circuit application for the standard serial I/O mode. Control pins will vary accordingto peripheral unit (programmer), therefore see the peripheral unit (programmer) manual for moreinformation.Clock inputBUSY outputData inputData outputCLK1RTS1(BUSY)RXD1TXD1M16C/62 flashmemory versionCNVssNMIP50(CE)P55(EPM)(1) Control pins and external circuitry will vary according to peripheral unit (programmer). Formore information, see the peripheral unit (programmer) manual.(2) In this example, the microprocessor mode and standard serial I/O mode are switched via aswitch.Figure 1.31.20. Example circuit application for the standard serial I/O mode270
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Customer Interface Publication: KCH
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DescriptionMitsubishi microcomputer
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DescriptionMitsubishi microcomputer
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Pin DescriptionMitsubishi microcomp
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MemoryMitsubishi microcomputersM16C
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CPUMitsubishi microcomputersM16C /
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ResetMitsubishi microcomputersM16C
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ResetMitsubishi microcomputersM16C
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Memory Space Expansion FunctionsMit
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Processor ModeMitsubishi microcompu
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Processor ModeMitsubishi microcompu
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Bus SettingsMitsubishi microcompute
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Bus ControlMitsubishi microcomputer
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Clock Generating CircuitMitsubishi
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Precautions for InterruptsMitsubish
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Watchdog TimerMitsubishi microcompu
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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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A-D 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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Operating maximum frequency [MHZ]Op
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Electrical characteristics (Vcc = 5
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Timing (VCC=5V)Mitsubishi microcomp
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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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