M16C62_M Datasheet, PDF (585/615 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

Appendix 3 Setting register for pin function selected
Mitsubishi microcomputers
M16C / 62A Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Pin name P64/CTS1/RTS1/CLKS1
Pin No.
34 (FP)
32 (GP)
Function selection
4,3EEh 5,3FDh
5,3B0h
Setting register
4,3B0h 4,3ACh 2,3ACh
3,3A8h
CLKS1
O Serial I/O clock output
X
X
1
1
1
X
0
RTS1
O RTS output
X
X
0
0
0
1
X
CTS1
I CTS input
0
X
0
0
0
0
X
P64
I Port input (No pulled high)
0
0
X
X
X
X
X
P64
I Port input (Pulled high)
0
1
X
X
X
X
X
P64
O Port output
1
X
X
X
X
X
X
4,3EEh Port P64 direction register
5,3FDh P64 to P67 pull-up control register
5,3B0h CLK/CLKS select bit 1 of UART transmit/receive control register 2
4,3B0h CLK/CLKS select bit 0 of UART transmit/receive control register 2
4,3ACh CTS/RTS disable bit of UART1 transmit/receive control register 0
2,3ACh CTS/RTS function select bit of UART1 transmit/receive control register 0
3,3A8h Internal/external clock select bit of UART1 transmit/receive mode register
Remark 1: Set serial I/O enabled by serial I/O mode select bit of UART1 transmit/receive mode register.
Remarks Page
1
1-108
1
1-108
1
1-108
1-163
1-163
1-163
1-168
1-170
1-116
1-116
1-114
1-114
1-113
Pin name P63/TXD0
Pin No.
35 (FP)
33 (GP)
Function selection
3,3EEh 4,3FDh
Setting register
TXD0
O Serial I/O data output
X
X
P63
I Port input (No pulled high)
0
0
P63
I Port input (Pulled high)
0
1
P63
O Port output
1
X
3,3EEh Port P63 direction register
4,3FDh P60 to P63 pull-up control register
Remark 1: Set serial I/O enabled by serial I/O mode select bit of UART0 transmit/receive mode register.
Remark 2: Can be selected CMOS output or N channel open-drain output.
Pin name P62/RXD0
Pin No.
36 (FP)
34 (GP)
Function selection
2,3EEh 4,3FDh
Setting register
RXD0
I Serial I/O data input
0
X
P62
I Port input (No pulled high)
0
0
P62
I Port input (Pulled high)
0
1
P62
O Port output
1
X
2,3EEh Port P62 direction register
4,3FDh P60 to P63 pull-up control register
Remark 1: Set serial I/O enabled by serial I/O mode select bit of UART0 transmit/receive mode register.
Remarks Page
1, 2
1-108
1-163
1-163
1-163
1-168
1-170
Remarks Page
1
1-108
1-163
1-163
1-163
1-168
1-170
2-268