Samsung S3C8275X - P1 PUR Port 1 Pull-Up Control Register

S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X CONTROL REGISTER
4-27
P1PUR — Port 1 Pull-up Control Register F9H Set 1, Bank 0
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value
0 0 0 0 0 0 0 0
Read/Write
R/W R/W R/W R/W R/W R/W R/W R/W
Addressing Mode
Register addressing mode only
.7 P1.7's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.6 P1.6's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.5 P1.5's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.4 P1.4's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.3 P1.3's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.2 P1.2's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.1 P1.1's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.0 P1.0's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
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.