Samsung S3P80C5 User Manual page 84

S3P80C5/C80C5/C80C8
P1PUR
— Port 0 Pull-up Resistor Enable Register
Bit Identifier
RESET Value RESET
Read/Write
Addressing Mode
.7
.6
.5
.4
.3
.2
.1
.0
.7 .6
0 0
R/W R/W
Register addressing mode only
P1.7 Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
P1.6 Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
P1.5 Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
P1.4 Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
P1.3 Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
P1.2 Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
P1.1 Pull-up Resistor Enable Bit
0 Disable pull-up resistor
1 Enable pull-up resistor
P1.0 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 REGISTERS
ECH
.3 .2 .1
0 0 0
R/W R/W
Set 1
.0
0
R/W
4-21