M16C/62 Group DATASHEET

Appendix Standard Serial I/O Mode (Flash Memory Version)Mitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERPin functions (Flash memory standard serial I/O mode)PinNameI/ODescriptionVCC,VSS Power inputApply program/erase protection voltage to Vcc pin and 0 V to Vss pin.CNVSSCNVSSIConnect to Vcc pin.RESETReset inputIReset input pin. While reset is "L" level, a 20 cycle or longer clockmust be input to XIN pin.XINXOUTBYTEAVCC, AVSSClock inputClock outputBYTEAnalog power supply inputIOIConnect a ceramic resonator or crystal oscillator between XIN andXOUT pins. To input an externally generated clock, input it to XIN pinand open XOUT pin.Connect this pin to Vcc or Vss.Connect AVSS to Vss and AVcc to Vcc, respectively.VREFP00 to P07P10 to P17P20 to P27P30 to P37P40 to P47P51 to P54,P56, P57Reference voltage inputInput port P0Input port P1Input port P2Input port P3Input port P4Input port P5Enter the reference voltage for AD from this pin.Input "H" or "L" level signal or open.Input "H" or "L" level signal or open.Input "H" or "L" level signal or open.Input "H" or "L" level signal or open.Input "H" or "L" level signal or open.Input "H" or "L" level signal or open.P50CE inputIInput "H" level signal.P55EPM inputIInput "L" level signal.P60 to P63 Input port P6IInput "H" or "L" level signal or open.P64BUSY outputOBUSY signal output pinP65SCLK inputISerial clock input pinP66RxD inputISerial data input pinP67TxD outputOSerial data output pinP70 to P77 Input port P7IInput "H" or "L" level signal or open.P80 to P84, P86, Input port P8Input "H" or "L" level signal or open.IP87P85 NMI input I Connect this pin to Vcc.IIIIIIIP90 to P97P100 to P107Input port P9Input port P10IIInput "H" or "L" level signal or open.Input "H" or "L" level signal or open.252