M16C User Manual.pdf

Appendix 3 Setting register for pin function selectedMitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERPinname P 90/TB0IN/CLK3P in No.7 (FP)5 (GP)Function selectionSetting register0,3F3h2,3FEh7,39Bh3,362h6,362hRemarksTB0INI Countsource input0 0 0 0 X 95CLK3O Serialclock output0 0 X 1 1 149CLK3I Serialclock input0 0 X 1 0 149P90I Portinput (No pulled high)0 0 X 0 X 167P90I Portinput (Pulled high)0 1 X 0 X 167P90O Portoutput1 X X 0 X 1670,3F3hPortP90 direction register1722,3FEhP90to P93 pull-up control register1747,39BhEventclock select bit of timer B0 mode register953,362hSI/O3port select bit of SI/O3 control register1506,362hSynchronousclock select bit of SI/O3 control register150PagePinnameP 87/XCINP in No.10(FP)8 (GP)Function selection7,3F2h1,3FEh4,006hSetting registerRemarksXCINI Subclock input0 0 1 41P87I Portinput (No pulled high)0 0 0 167P87I Portinput (Pulled high)0 1 0 167P87O Portoutput1 X 0 1677,3F2hPortP87 direction register1721,3FEhP84to P87 pull-up control register1744,006hPortXc select bit of system clock control register 044PagePinnameP 86/XCOUTP in No.11(FP)9 (GP)Function selection6,3F2h1,3FEh4,006hSetting registerRemarksXCOUTO Subclock output0 0 1 41P86I Portinput (No pulled high)0 0 0 167P86I Portinput (Pulled high)0 1 0 167P86O Portoutput1 X 0 1676,3F2hPortP86 direction register1721,3FEhP84to P87 pull-up control register1744,006hPortXc select bit of system clock control register 044Page574