hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 640

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Registers
PUCR1—Port Pull-Up Control Register 1
PUCR3—Port Pull-Up Control Register 3
Bit
Initial value
Read/Write
Rev. 7.00 Mar 10, 2005 page 598 of 652
REJ09B0042-0700
Bit
Initial value
Read/Write
Note: * PUCR1
PUCR3
PUCR1
R/W
7
0
6
R/W
is not equipped with H8/38124 Group.
7
0
7
7
PUCR3
PUCR1
R/W
6
0
R/W
6
0
6
6
PUCR3
*
R/W
5
0


W
5
5
PUCR3
PUCR1
R/W
4
0
R/W
4
0
Port 3 Input Pull-up MOS Control
Note: When the PCR3 specification is 0.
4
0
1
Port 1 Input Pull-up MOS Control
Note: When the PCR1 specification is 0.
4
PUCR3
0
1
Input pull-up MOS is off
Input pull-up MOS is on
PUCR1
R/W
Input pull-up MOS is off
Input pull-up MOS is on
3
0
(Input port specification)
R/W
3
0
(Input port specification)
3
H'E0
H'E1
3
PUCR3
R/W
2
0


W
2
2
PUCR3
R/W
1
0


W
1
1
PUCR3
R/W
0
0
I/O Ports
I/O Ports


W
0
0