Renesas H8 Series Hardware Manual page 640

Appendix B Internal I/O Registers
PUCR1—Port Pull-Up Control Register 1
Bit 7
PUCR1
Initial value 0
Read/Write R/W
Note: * PUCR1
is not equipped with H8/38124 Group.
6
PUCR3—Port Pull-Up Control Register 3
Bit 7
PUCR3
Initial value 0
Read/Write R/W
Rev. 7.00 Mar 10, 2005 page 598 of 652
REJ09B0042-0700
6 5
* 
PUCR1
7 6

0
R/W W
6 5
PUCR3 PUCR3
7 6 5
0 0
R/W R/W
H'E0
4 3
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)
2 1
 
 
W W
2 1
PUCR3 PUCR3
2 1
0 0
R/W R/W R/W
I/O Ports
0


W
I/O Ports
0
0
0