Samsung KS57C2308 Manual page 67

KS57C2308/P2308/C2316/P2316
PUMOD
— Pull-Up Resistor Mode Register
Bit
Identifier
Value
RESET
Read/Write
Bit Addressing
PUR7
PUR6
PUR5
PUR4
PUR3
PUR2
PUR1
PUR0
NOTE: Pull-up resistors for all I/O ports are automatically disabled when they are configured to output mode.
7 6
PUR7 PUR6
0 0
W W
8 8
Connect/Disconnect Port 7 Pull-Up Resistor Control Bit
0 Disconnect port 7 pull-up resistor
1 Connect port 7 pull-up resistor
Connect/Disconnect Port 6 Pull-Up Resistor Control Bit
0 Disconnect port 6 pull-up resistor
1 Connect port 6 pull-up resistor
Connect/Disconnect Port 5 Pull-Up Resistor Control Bit
0 Disconnect port 5 pull-up resistor
1 Connect port 5 pull-up resistor
Connect/Disconnect Port 4 Pull-Up Resistor Control Bit
0 Disconnect port 4 pull-up resistor
1 Connect port 4 pull-up resistor
Connect/Disconnect Port 3 Pull-Up Resistor Control Bit
0 Disconnect port 3 pull-up resistor
1 Connect port 3 pull-up resistor
Connect/Disconnect Port 2 Pull-Up Resistor Control Bit
0 Disconnect port 2 pull-up resistor
1 Connect port 2 pull-up resistor
Connect/Disconnect Port 1 Pull-Up Resistor Control Bit
0 Disconnect port 1 pull-up resistor
1 Connect port 1 pull-up resistor
Connect/Disconnect Port 0 Pull-Up Resistor Control Bit
0 Disconnect port 0 pull-up resistor
1 Connect port 0 pull-up resistor
5 4
PUR5 PUR4 PUR3
0 0
W W
8 8
3 2 1
PUR2 PUR1
0 0 0
W W W
8 8 8
MEMORY MAP
FDDH, FDCH
0
PUR0
0
W
8
4-25