Datasheet

Section 10 I/O Ports
REJ09B0465-0300 Rev. 3.00 Page 281 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
10.2.4 Port Pull-Up Control Register 2 (PUCR2)
b7
PUCR27
0
b6
PUCR26
0
b5
PUCR25
0
b4
PUCR24
0
b3
PUCR23
0
b2
PUCR22
0
b1
PUCR21
0
b0
PUCR20
0
H'FF0011
Bit:
Address:
Value after reset:
Bit Symbol Bit Name Description R/W
7 PUCR27 Port 27 pull-up
control
R/W
6 PUCR26 Port 26 pull-up
control
R/W
5 PUCR25 Port 25 pull-up
control
R/W
4 PUCR24 Port 24 pull-up
control
R/W
3 PUCR23 Port 23 pull-up
control
R/W
2 PUCR22 Port 22 pull-up
control
R/W
1 PUCR21 Port 21 pull-up
control
R/W
0 PUCR20 Port 20 pull-up
control
0: The pull-up MOS of corresponding pin is
disabled.
1: The pull-up MOS of corresponding pin is
enabled.
PUCR2 is a register that controls the pull-up MOS
in bit units of the pins set as the input ports.
R/W
• PUCR27 bit to PUCR20 bit (port 27 to 20 pull-up control)
This function is valid only for the pin set as general input, and for the input pin with a function
selected by the PMC.