Renesas H8/3847R Series Hardware Manual page 652

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