Datasheet

Section 10 I/O Ports
REJ09B0465-0300 Rev. 3.00 Page 293 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
10.4.4 Port Pull-Up Control Register 5 (PUCR5)
b7
0
b6
0
b5
PUCR55
0
b4
PUCR54
0
b3
PUCR53
0
b2
PUCR52
0
b1
PUCR51
0
b0
PUCR50
0
H'FF0014
Bit:
Address:
Value after reset:
Bit Symbol Bit Name Description R/W
7 Reserved
6 Reserved
These bits are read as 0. The write value should be
0.
5 PUCR55 Port 55 pull-up
control
R/W
4 PUCR54 Port 54 pull-up
control
R/W
3 PUCR53 Port 53 pull-up
control
R/W
2 PUCR52 Port 52 pull-up
control
R/W
1 PUCR51 Port 51 pull-up
control
R/W
0 PUCR50 Port 50 pull-up
control
0: The pull-up MOS of corresponding pin is
disabled.
1: The pull-up MOS of corresponding pin is
enabled.
PUCR5 is a register that controls the pull-up MOS
in bit units of the pins set as the input ports.
R/W
PUCR55 bit to PUCR50 bit (port 55 to 50 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.