CHAPTER 14 PORT FUNCTIONS
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User’s Manual U14492EJ3V0UD
(b) Port 4 mode control register (PMC4)
This register can be read/written in 8-bit or 1-bit units.
7
PMC47
PMC4
6
PMC46
5
PMC45
4
PMC44
3
PMC43
2
PMC42
1
PMC41
0
PMC40
Address
FFFFF448H
Initial value
00H
Bit Position
Bit Name
Function
7
PMC47
Specifies operation mode of P47 pin.
0: I/O port mode
1: CTXD output mode
6
PMC46
Specifies operation mode of P46 pin.
0: I/O port mode
1: CRXD input mode
5
PMC45
Specifies operation mode of P45 pin.
0: I/O port mode
1: SCK1 I/O mode
4
PMC44
Specifies operation mode of P44 pin.
0: I/O port mode
1: SO1 output mode
3
PMC43
Specifies operation mode of P43 pin.
0: I/O port mode
1: SI1 input mode
2
PMC42
Specifies operation mode of P42 pin.
0: I/O port mode
1: SCK0 I/O mode
1
PMC41
Specifies operation mode of P41 pin.
0: I/O port mode
1: SO0 output mode
0
PMC40
Specifies operation mode of P40 pin.
0: I/O port mode
1: SI0 input mode
Содержание V850E/IA1 mPD703116
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