Datasheet

Section 10 I/O Ports
REJ09B0465-0300 Rev. 3.00 Page 275 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
10.1.4 Port Pull-Up Control Register 1 (PUCR1)
b7
PUCR17
0
b6
PUCR16
0
b5
PUCR15
0
b4
PUCR14
0
b3
PUCR13
0
b2
PUCR12
0
b1
PUCR11
0
b0
PUCR10
0
H'FF0010
Bit:
Address:
Value after reset:
Bit Symbol Bit Name Description R/W
7 PUCR17 Port 17 pull-up
control
R/W
6 PUCR16 Port 16 pull-up
control
R/W
5 PUCR15 Port 15 pull-up
control
R/W
4 PUCR14 Port 14 pull-up
control
R/W
3 PUCR13 Port 13 pull-up
control
R/W
2 PUCR12 Port 12 pull-up
control
R/W
1 PUCR11 Port 11 pull-up
control
R/W
0 PUCR10 Port 10 pull-up
control
0: The pull-up MOS of corresponding pin is
disabled.
1: The pull-up MOS of corresponding pin is
enabled.
This function is valid only for the pin set as general
input, and for the input pin with a multiplexed
function.
In the H8S/20103 and H8S/20115 Groups, bits
PUCR14 and PUCR10 are reserved. Only 0 should
be written to these bits.
R/W