M16C User Manual.pdf

Appendix 3 Setting register for pin function selectedMitsubishi microcomputersM16C / 62 GroupSINGLE-CHIP 16-BIT CMOS MICROCOMPUTERPinname P 44/CS0P in No.50(FP)48 (GP)Function selectionSetting register4,3EAh1,3FDh0,008h1,004h0,004hRemarksCS0O Chipselect outputX X 1 X 1 34P44I Port input (No pulled high)P44I Port input (Pulled high)P44O Port output000011,3EAh0010XXort P44X0X0X0registe0X0X0X0101014 P direction r1721,3FDhP44to P47 pull-up control register1740,008hCS0output enable bit of chip select control register351,004hProcessormode bit of processor mode register 0290,004hProcessormode bit of processor mode register 029Page167167167Pinname P 43/A19P in No.51(FP)49 (GP)Function selectionSetting register3,3EAh0,3FDh6,004h5,004h4,004h1,004h0,004hRemarksA19O AddressoutputX X 0 Except11X 1 340 0 XX X 0 0P43I Port input (No pulled high)0 0 01 1 0 11670 01Except 11X 10 1 XX X 0 0P43I Port input (Pulled high)0 1 01 1 0 11670 1 1Except 11X 11 X XX X 0 0P43O Port output1 X 01 1 0 11671 X1Except 11X 13,3EAhPortP43 direction register1720,3FDhP40to P43 pull-up control register1746,004hPortP40 to P43 function select bit of processor mode register 0295,004hMultiplexedbus space select bit of processor mode register 0294,004hMultiplexedbus space select bit of processor mode register 0291,004hProcessormode bit of processor mode register 0290,004hProcessormode bit of processor mode register 029PagePinname P 42/A18P in No.52(FP)50 (GP)Function selectionSetting register2,3EAh0,3FDh6,004h5,004h4,004h1,004h0,004hRemarksA18O AddressoutputX X 0 Except11X 1 340 0 XX X 0 0P42I Port input (No pulled high)0 0 01 1 0 11670 01Except 11X 10 1 XX X 0 0P42I Port input (Pulled high)0 1 01 1 0 11670 1 1Except 11X 11 X XX X 0 0P42O Port output1 X 01 1 0 11671 X1Except 11X 12,3EAhPortP42 direction register1720,3FDhP40to P43 pull-up control register1746,004hPortP40 to P43 function select bit of processor mode register 0295,004hMultiplexedbus space select bit of processor mode register 0294,004hMultiplexedbus space select bit of processor mode register 0291,004hProcessormode bit of processor mode register 0290,004hProcessormode bit of processor mode register 029Page586