Datasheet

Appendix B Internal I/O Registers
Rev. 6.00 Aug 04, 2006 page 614 of 680
REJ09B0145-0600
PUCR1—Port Pull-Up Control Register 1 H'E0 I/O ports
Bit
Initial value
Read/Write
7
PUCR1
0
R/W
6
PUCR1
0
R/W
5
PUCR1
0
R/W
4
PUCR1
0
R/W
3
PUCR1
0
R/W
0
PUCR1
0
R/W
2
PUCR1
0
R/W
1
PUCR1
0
R/W
04321567
0
1
Input pull-up MOS is off
Input pull-up MOS is on
Port 1 input pull-up MOS control
Note: When the PCR1 specification is 0.
(Input port specification)
PUCR3—Port Pull-Up Control Register 3 H'E1 I/O ports
Bit
Initial value
Read/Write
7
PUCR3
0
R/W
6
PUCR3
0
R/W
5
PUCR3
0
R/W
4
PUCR3
0
R/W
3
PUCR3
0
R/W
0
PUCR3
0
R/W
2
PUCR3
0
R/W
1
PUCR3
0
R/W
0234567 1
0
1
Input pull-up MOS is off
Input pull-up MOS is on
Port 3 input pull-up MOS control
Note: When the PCR3 specification is 0.
(Input port specification)