
CHAPTER 4 PORT FUNCTIONS
User’s Manual U15905EJ2V1UD
148
(c) Port mode control register CM (PMCCM)
This is an 8-bit register that specifies the port mode or control mode.
It can be read or written in 8-bit or 1-bit units.
0
PMCCM
0
PMCCM3 PMCCM2 PMCCM1 PMCCM0
I/O port
HLDRQ input
PMCCM3
0
1
Specifies operation mode of PCM3 pin
I/O port
HLDAK output
PMCCM2
0
1
Specifies operation mode of PCM2 pin
I/O port
CLKOUT output
PMCCM1
0
1
Specifies operation mode of PCM1 pin
I/O port
WAIT input
PMCCM0
0
1
Specifies operation mode of PCM0 pin
After reset: 00H
R/W
Address: FFFFF04CH