CHAPTER 14 PORT FUNCTIONS
User’s Manual U14359EJ4V0UM
479
(b) Port 4 mode control register (PMC4)
This register can be read/written in 8-bit or 1-bit units.
7
6
5
4
3
2
1
0
Address
After reset
PMC4
0
0
PMC45
PMC44
PMC43
PMC42
PMC41
PMC40
FFFFF448H
00H
Bit position
Bit name
Function
5
PMC45
Port Mode Control
Specifies operation mode of P45 pin.
0: I/O port mode
1: SCK1 I/O mode
4
PMC44
Port Mode Control
Specifies operation mode of P44 pin.
0: I/O port mode
1: RXD1/SI1 input mode
3
PMC43
Port Mode Control
Specifies operation mode of P43 pin.
0: I/O port mode
1: TXD1/SO1 output mode
2
PMC42
Port Mode Control
Specifies operation mode of P42 pin.
0: I/O port mode
1: SCK0 I/O mode
1
PMC41
Port Mode Control
Specifies operation mode of P41 pin.
0: I/O port mode
1: RXD0/SI0 input mode
0
PMC40
Port Mode Control
Specifies operation mode of P40 pin.
0: I/O port mode
1: TXD0/SO0 output mode