M16C User Manual.pdf

Appendix 3 Setting register for pin function selectedMitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERPinnameP 53/BCLKP in No.43(FP)41 (GP)Function selectionSetting register3,3EBh2,3FDh7,004h1,004h0,004hRemarksBCLKO BCLK outputX X 0 X 1 34P53I Portinput (No pulled high)0 0 X 0 0 167P53I Portinput (Pulled high)0 1 X 0 0 167P53O Portoutput1 X X 0 0 1673,3EBhPortP53 direction register1722,3FDhP50to P53 pull-up control register1747,004hBCLK output disable bit of processor mode register 0291,004hProcessormode bit of processor mode register 0290,004hProcessormode bit of processor mode register 029PagePinnameP 52/RDP in No.44(FP)42 (GP)Function selection2,3EBh2,3FDh1,004h0,004hSetting registerRemarksRDO RD outputX X X 1 34P52I Portinput (No pulled high)0 0 0 0 167P52I Portinput (Pulled high)0 1 0 0 167P52O Portoutput1 X 0 0 1672,3EBhPortP52 direction register1722,3FDhP50to P53 pull-up control register1741,004hProcessormode bit of processor mode register 0290,004hProcessormode bit of processor mode register 029PagePinnameP 51/WRH/BHEP in No.45(FP)43 (GP)Function selectionSetting register1,3EBh2,3FDh2,004h1,004h0,004hRemarksBHEO BHE outputX X 0 X 1 34WRHO WRH outputX X 1 X 1 34P51I Portinput (No pulled high)0 0 X 0 0 167P51I Portinput (Pulled high)0 1 X 0 0 167P51O Portoutput1 X X 0 0 1671,3EBhPortP51 direction register1722,3FDhP50to P53 pull-up control register1742,004hR/W mode select bit of processor mode register 0291,004hProcessormode bit of processor mode register 0290,004hProcessormode bit of processor mode register 029PagePinnameP 50/WRL/WRP in No.46(FP)44 (GP)Function selectionSetting register0,3EBh2,3FDh2,004h1,004h0,004hRemarksWRO WR outputX X 0 X 1 34WRLO WRLoutputX X 1 X 1 34P50I Portinput (No pulled high)0 0 X 0 0 167P50I Portinput (Pulled high)0 1 X 0 0 167P50O Portoutput1 X X 0 0 1670,3EBhPortP50 direction register1722,3FDhP50to P53 pull-up control register1742,004hR/W select bit of processor mode register 0291,004hProcessormode bit of processor mode register 0290,004hProcessormode bit of processor mode register 029Page584