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Chapter 16
Port Functions
Preliminary User’s Manual U15839EE1V0UM00
(2)
Setting in input/output mode and control mode
Port CM is set in input/output mode using the port CM mode register (PMCM). In control mode, it
is set using the port CM mode control register (PMCM).
(a) Port CM mode register (PMCM)
This register can be read or written in 8-bit or 1-bit units.
Figure 16-39:
Port CM Mode Register (PMCM)
(b) Port mode control register (PMCCM)
This register can be read or written in 8-bit or 1-bit units.
Figure 16-40:
Port CM Mode Control Register (PMCCM)
7
6
5
4
3
2
1
0
Address
At Reset
PMCM
0
0
0
0
0
0
0
PMCM0 FFFFF02CH
01H
Bit Position
Bit Name
Function
0
PMCM0
Specifies input/output mode of PCM0 pin.
0: Output mode (Output buffer on)
1: Input mode (Output buffer off)
7
6
5
4
3
2
1
0
Address
At Reset
PMCCM
0
0
0
0
0
0
0
PMCCM0 FFFFF04CH
01H
Bit Position
Bit Name
Function
0
PMCCM0
Specifies operation mode of PMCCM0 pin
0: Input/output port mode
1: WAIT wait insertion input
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