M16C62_M Datasheet, PDF (584/615 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 P67/TXD1
Pin No.
31 (FP)
29 (GP)
Function selection
7,3EEh 5,3FDh
Setting register
TXD1
O Serial I/O data output
X
X
P67
I Port input (No pulled high)
0
0
P67
I Port input (Pulled high)
0
1
P67
O Port output
1
X
7,3EEh Port P67 direction register
5,3FDh P64 to P67 pull-up control register
Remark 1: Set serial I/O enabled by serial I/O mode select bit of UART1 transmit/receive mode register.
Remark 2: Can be selected CMOS output or N channel open-drain output.
Remarks Page
1, 2
1-108
1-163
1-163
1-163
1-168
1-170
Pin name P66/RXD1
Pin No.
32 (FP)
30 (GP)
Function selection
6,3EEh 5,3FDh
Setting register
RXD1
I Serial I/O data input
0
X
P66
I Port input (No pulled high)
0
0
P66
I Port input (Pulled high)
0
1
P66
O Port output
1
X
6,3EEh Port P66 direction register
5,3FDh P64 to P67 pull-up control 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
1-163
1-163
1-163
1-168
1-170
Pin name P65/CLK1
Pin No.
33 (FP)
31 (GP)
Function selection
5,3EEh 5,3FDh 3,3A8h
Setting register
CLK1
I Serial I/O clock input
0
X
1
CLK1
O Serial I/O clock output
X
X
0
P65
I Port input (No pulled high)
0
0
X
P65
I Port input (Pulled high)
0
1
X
P65
O Port output
1
X
X
6,3EEh Port P65 direction register
5,3FDh P64 to P67 pull-up control register
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.
Remark 2: It become I/O port when UART mode selected.
Remarks Page
1
1-108
1, 2
1-108
1-163
1-163
1-163
1-168
1-170
1-113
2-267