ABOV SEMICONDUCTOR MC81F4204 - Page 68

MC81F4204
68 April 24, 2012 Ver.1.41
PUR0
R0 PORT PULL-UP ENABLE REGISTER 00C9H
Using the PUR0 register, you can configure pull-up resistors to individual R07-R00 pins.
7 6 5 4 3 2 1 0
PUR0
PUR07 PUR06 PUR05 PUR04 PUR03 PUR02 PUR01 PUR00
Reset value: 00H
R/W R/W R/W R/W R/W R/W R/W R/W
0: Disable pull-up resistor
PUR07
R07 Pull-up Resistor Enable Bit
1: Enable pull-up resistor
0: Disable pull-up resistor
PUR06
R06 Pull-up Resistor Enable Bit
1: Enable pull-up resistor
0: Disable pull-up resistor
PUR05
R05 Pull-up Resistor Enable Bit
1: Enable pull-up resistor
0: Disable pull-up resistor
PUR04
R04 Pull-up Resistor Enable Bit
1: Enable pull-up resistor
0: Disable pull-up resistor
PUR03
R03 Pull-up Resistor Enable Bit
1: Enable pull-up resistor
0: Disable pull-up resistor
PUR02
R02 Pull-up Resistor Enable Bit
1: Enable pull-up resistor
0: Disable pull-up resistor
PUR01
R01 Pull-up Resistor Enable Bit
1: Enable pull-up resistor
0: Disable pull-up resistor
PUR00
R00 Pull-up Resistor Enable Bit
1: Enable pull-up resistor
R0
R0 PORT DATA REGISTER 00C0H
7 6 5 4 3 2 1 0
R0
R07 R06 R05 R04 R03 R02 R01 R00
Reset value: 00H
R/W R/W R/W R/W R/W R/W R/W R/W
In input mode, it represents the R0 port status.
In output mode, R0 port represents it.
1: High
0: Low