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S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X CONTROL REGISTER
4-33
P3PUR — Port 3 Pull-up Control Register EFH 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 P3.7's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.6 P3.6's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.5 P3.5's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.4 P3.4's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.3 P3.3's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.2 P3.2's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.1 P3.1's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
.0 P3.0's Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
NOTE: A pull-up resistor of port 3 is automatically disabled only when the corresponding pin is selected as push-pull output
or alternative function.