s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 90

• 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.

MEMORY MAP
PNE2
Bit
Identifier
RESET Value
Read/Write
Bit Addressing
.7
.6
.5
.4
.3
.2
.1
.0
4-36
— N-Channel Open-Drain Mode Register 2
Bit 7
P4.2 N-Channel Open-Drain Configurable Bit
P4.1 N-Channel Open-Drain Configurable Bit
P4.0 N-Channel Open-Drain Configurable Bit
P3.3 N-Channel Open-Drain Configurable Bit
P3.2 N-Channel Open-Drain Configurable Bit
P3.1 N-Channel Open-Drain Configurable Bit
P3.0 N-Channel Open-Drain Configurable Bit
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
"0"
W
7
0
8
Always logic zero
Configure P4.2 as a push-pull
Configure P4.2 as a n-channel open-drain
Configure P4.1 as a push-pull
Configure P4.1 as a n-channel open-drain
Configure P4.0 as a push-pull
Configure P4.0 as a n-channel open-drain
Configure P3.3 as a push-pull
Configure P3.3 as a n-channel open-drain
Configure P3.2 as a push-pull
Configure P3.2 as a n-channel open-drain
Configure P3.1 as a push-pull
Configure P3.1 as a n-channel open-drain
Configure P3.0 as a push-pull
Configure P3.0 as a n-channel open-drain
W
.6
6
0
8
W
.5
5
0
8
W
.4
4
0
8
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
W
.3
3
0
8
W
.2
2
0
8
I/O
W
.1
1
0
8
FD9H, FD8H
W
.0
0
0
8