M16C User Manual.pdf

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InterruptMitsubishi microcomputers<strong>M16C</strong> / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERINT1HighTimer B2Timer B0Timer A3Timer A1Timer B4INT3INT2INT0Timer B1Timer A4Timer A2Timer B3Timer B5UART1 receptionUART0 receptionUART2 reception/ACKA-D conversionPriority of peripheral I/O interrupts(if priority levels are same)DMA1Bus collision detectionSerial I/O4/INT5Timer A0UART1 transmissionUART0 transmissionUART2 transmission/NACKKey input interruptDMA0Serial I/O3/INT4LowFigure 4.5.1. Maskable interrupts priorities (peripheral I/O interrupts)_______________Reset > NMI > DBC > Watchdog timer > Peripheral I/O > Single step > Address matchFigure 4.5.2. Hardware interrupts priorities501
InterruptMitsubishi microcomputers<strong>M16C</strong> / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTER4.6 Multiple InterruptsThe state when control branched to an interrupt routine is described below:· The interrupt enable flag (I flag) is set to “0” (the interrupt is disabled).· The interrupt request bit of the accepted interrupt is set to “0”.· The processor interrupt priority level (IPL) is assigned to the same interrupt priority level as assigned tothe accepted interrupt.Setting the interrupt enable flag (I flag) to “1” within an interrupt routine allows an interrupt request assigneda priority higher than the IPL to be accepted. Figure 4.6.1 shows the scheme of multiple interrupts.An interrupt request that is not accepted because of low priority will be held. If the condition following is metwhen the REIT instruction returns the IPL and the interrupt priority is determined, then the interrupt requestbeing held is accepted.Interrupt priority level of the interrupt request being held > Returned the IPL502
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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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Mitsubishi microcomputersM16C / 62
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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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274Mitsubishi microcomputersM16C /
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ProtectMitsubishi microcomputersM16
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ProtectMitsubishi microcomputersM16
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Counter content (hex)Timer AMitsubi
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Counter content (hex)Timer BMitsubi
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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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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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Programmable I/O PortsMitsubishi mi
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Page 467 and 468: Programmable I/O PortsMitsubishi mi
Page 469 and 470: ApplicationsMitsubishi microcompute
Page 471 and 472: Timer A1 countercontent (hex)Timer
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Page 487 and 488: DMAC ApplicationsMitsubishi microco
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Page 491 and 492: Controlling Power ApplicationsMitsu
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Page 523 and 524: External BusesMitsubishi microcompu
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External ROMMitsubishi microcompute
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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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