s3c72m9 Samsung Semiconductor, Inc., s3c72m9 Datasheet - Page 84

• 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
PMG2
Bit
Identifier
RESET Value
Read/Write
Bit Addressing
.7
PM4.2
PM4.1
PM4.0
PM3.3
PM3.2
PM3.1
PM3.0
4-30
— Port I/O Mode Flags (Group 2: Ports 3, 4)
Bit 7
P4.2 I/O Mode Selection Flag
P4.1 I/O Mode Selection Flag
P4.0 I/O Mode Selection Flag
P3.3 I/O Mode Selection Flag
P3.2 I/O Mode Selection Flag
P3.1 I/O Mode Selection Flag
P3.0 I/O Mode Selection Flag
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
"0"
W
7
0
8
Always logic zero
Set P4.2 to input mode
Set P4.2 to output mode
Set P4.1 to input mode
Set P4.1 to output mode
Set P4.0 to input mode
Set P4.0 to output mode
Set P3.3 to input mode
Set P3.3 to output mode
Set P3.2 to input mode
Set P3.2 to output mode
Set P3.1 to input mode
Set P3.1 to output mode
Set P3.0 to input mode
Set P3.0 to output mode
PM4.2
W
6
0
8
PM4.1
W
5
0
8
PM4.0
W
4
0
8
S3C72M5/C72M7/C72M9/P72M9 (Preliminary Spec)
PM3.3
W
3
0
8
PM3.2
W
2
0
8
I/O
PM3.1
W
1
0
8
FE7H, FE6H
PM3.0
W
0
0
8