Samsung S3C8275X - Manual (Page 94)

CONTROL REGISTERS S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
4-24
P0PUR
— Port 0 Pull-Up Control Register E6H 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 P0.7's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.6 P0.6's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.5 P0.5's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.4 P0.4's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.3 P0.3's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.2 P0.2's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.1 P0.1's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.0 P0.0's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
NOTE: A pull-up resistor of port 0 is automatically disabled only when the corresponding pin is selected as push-pull output
or alternative function.