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(2) Setting of I/O mode and control mode
The port CM mode register (PMCM) is used to set the I/O mode of port CM and the CM mode control register
(PMCCM) is used to set the operation in control mode.
(a) Port CM mode register (PMCM)
This register can be read or written in 8-bit or 1-bit units.
7
6
PMCM
1
1
Bit position
Bit name
1, 0
PMCMn
(n = 1, 0)
(b) Port CM mode control register (PMCCM)
This register can be read or written in 8-bit or 1-bit units.
7
6
PMCCM
0
0
Note 00H: Single-chip mode
03H: ROMless mode
Bit position
Bit name
1
PMCCM1
0
PMCCM0
CHAPTER 12 PORT FUNCTIONS
5
4
3
1
1
1
Specifies input/output mode of PCMn pin.
0: Output mode (output buffer on)
1: Input mode (output buffer off)
5
4
3
0
0
0
Specifies operation mode of PCM1 pin
0: I/O port mode
1: CLKOUT output mode
Specifies operation mode of PCM0 pin
0: I/O port mode
1: WAIT input mode
User's Manual U15195EJ5V0UD
2
1
0
1
PMCM1
PMCM0
FFFFF02CH
Function
2
1
0
0
PMCCM1
PMCCM0
FFFFF04CH
Function
Address
After reset
FFH
Note
Address
After reset
00H/03H
579
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