M16C User Manual.pdf

Appendix 3 Setting register for pin function selectedMitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERPinname P 84/INT2P in No.18(FP)16 (GP)Function selection4,3F2h1,3FEhSetting registerRemarksINT2I Interruptinput0 X 1 66P84I Portinput (No pulled high)0 0 167P84I Portinput (Pulled high)0 1 167P84O Portoutput1 X 167Remark 1: Interrupt request bit generates by state change of a port, not by setting value of register.4,3F2hPortP84 direction register1721,3FEhP84to P87 pull-up control register174PagePinname P 83/INT1P in No.19(FP)17 (GP)Function selection4,3F2h1,3FEhSetting registerRemarksINT1I Interruptinput0 X 1 66P83I Portinput (No pulled high)0 0 167P83I Portinput (Pulled high)0 1 167P83O Portoutput1 X 167Remark 1: Interrupt request bit generates by state change of a port, not by setting value of register.3,3F2hPortP83 direction register1720,3FEhP80to P83 pull-up control register174PagePinname P 82/INT0P in No.20(FP)18 (GP)Function selection2,3F2h0,3FEhSetting registerRemarksINT0I Interruptinput0 X 1 66P82I Portinput (No pulled high)0 0 167P82I Portinput (Pulled high)0 1 167P82O Portoutput1 X 167Remark 1: Interrupt request bit generates by state change of a port, not by setting value of register.2,3F2hPortP82 direction register1720,3FEhP80to P83 pull-up control register174PagePinnameP 81/TA4IN/ UP in No.21(FP)19 (GP)Function selectionSetting register1,3F2h0,3FEh7,383h6,383h4,39Ah2,348hRemarksTA4INI Gatefunction level input0 X 0 0 1 0 83TA4INI Countsource input0 X 0 0 X 0 83TA4INI Externaltrigger input0 X 0 0 1 0 83U O U phase outputX X X X X 1 101P81I Portinput (No pulled high)0 0 X X X 0 167P81I Portinput (Pulled high)0 1 X X X 0 167P81O Portoutput1 X X X X 0 1671,3F2hPortP81 direction register1720,3FEhP80to P83 pull-up control register1747,383hTimerA4 event/trigger select bit of trigger select register876,383hTimerA4 event/trigger select bit of trigger select register874,39AhBit4 of timer A4 mode register852,348hThreephase mode select bit101Page575