s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 93

• Manufacturer Part Number: s3c72m9
• Description: The S3c72m5/s3c72m7/s3c72m9 Single-chip Cmos Microcontroller Has Been Designed For High Performance Using Samsung S
• Manufacturer: Samsung Semiconductor, Inc.

S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
PUMOD1
Bit
Identifier
RESET Value
Read/Write
Bit Addressing
PUR7
PUR6
.5
PUR4
PUR3
PUR2
PUR1
PUR0
— Pull-up Resistor Mode Register 1
Connect/Disconnect Port 7 Pull-up Resistor Control Bit
Connect/Disconnect Port 6 Pull-up Resistor Control Bit
Bit 5
Connect/Disconnect Port 4 Pull-up Resistor Control Bit
Connect/Disconnect Port 3 Pull-up Resistor Control Bit
Connect/Disconnect Port 2 Pull-up Resistor Control Bit
Connect/Disconnect Port 1 Pull-up Resistor Control Bit
Connect/Disconnect Port 0 Pull-up Resistor Control Bit
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
PUR7
W
7
0
8
Disconnect port 7 pull-up resistor
Connect port 7 pull-up resistor
Disconnect port 6 pull-up resistor
Connect port 6 pull-up resistor
Always logic zero
Disconnect port 4 pull-up resistor
Connect port 4 pull-up resistor
Disconnect port 3 pull-up resistor
Connect port 3 pull-up resistor
Disconnect port 2 pull-up resistor
Connect port 2 pull-up resistor
Disconnect port 1 pull-up resistor
Connect port 1 pull-up resistor
Disconnect port 0 pull-up resistor
Connect port 0 pull-up resistor
PUR6
W
6
0
8
"0"
W
5
0
8
PUR4
W
4
0
8
PUR3
W
3
0
8
PUR2
W
2
0
8
I/O
PUR1
W
1
0
8
FDDH, FDCH
MEMORY MAP
PUR0
W
0
0
8
4-39