S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
P1PUR
— Port 1 Pull-up Control Register
Bit Identifier
Reset Value
Read/Write
Addressing Mode
.7
.6
.5
.4
.3
.2
.1
.0
NOTE: A pull-up resistor of port 1 is automatically disabled only when the corresponding pin is selected as push-pull output
or alternative function.
.7
.6
0
0
R/W
R/W
Register addressing mode only
P1.7's Pull-up Resistor Enable Bit
0
Disable pull-up resistor
1
Enable pull-up resistor
P1.6's Pull-up Resistor Enable Bit
0
Disable pull-up resistor
1
Enable pull-up resistor
P1.5's Pull-up Resistor Enable Bit
0
Disable pull-up resistor
1
Enable pull-up resistor
P1.4's Pull-up Resistor Enable Bit
0
Disable pull-up resistor
1
Enable pull-up resistor
P1.3's Pull-up Resistor Enable Bit
0
Disable pull-up resistor
1
Enable pull-up resistor
P1.2's Pull-up Resistor Enable Bit
0
Disable pull-up resistor
1
Enable pull-up resistor
P1.1's Pull-up Resistor Enable Bit
0
Disable pull-up resistor
1
Enable pull-up resistor
P1.0's Pull-up Resistor Enable Bit
0
Disable pull-up resistor
1
Enable pull-up resistor
.5
.4
0
0
R/W
R/W
R/W
CONTROL REGISTER
F9H
Set 1, Bank 0
.3
.2
.1
0
0
0
R/W
R/W
.0
0
R/W
4-27