Panasonic MN103S User Manual page 167

Port 3 Output Register (P3OUT: 0x0000A003) [8-bit access register]
bp 7 6
Flag P37O P36O P35O P34O P33O P32O P31O Reser
At reset 0 0
Access R/W R/W
bp Flag Description
P37O Output data
7-1 to
P31O
0 Reserved -
Port 3 Input Register (P3IN: 0x0000A013) [8-bit access register]
bp 7 6
Flag P37I P36I
At reset x x
Access R R
bp Flag Description
P37I Input data
7-1 to
P31I
0 Reserved -
Port 3 I/O Control Register (P3DIR: 0x0000A023) [8-bit access register]
bp 7 6
Flag P37D P36D
At reset 0 0
Access R/W R/W
bp Flag Description
P37D I/O mode selection
7-1 to
P31D
0 Reserved -
5 4 3 2
0 0 0 0
R/W R/W R/W R/W
5 4 3 2
P35I P34I P33I P32I
x x x x
R R R R
5 4 3 2
P35D P34D P33D P32D
0 0 0 0
R/W R/W R/W R/W
1 0
ved
0 0
R/W R/W
Set condition
Output data
Write "0"
1 0
P31I Reser
ved
x x
R R
Set condition
Input data
-
1 0
P31D Reser
ved
0 0
R/W R/W
Set condition
0: Input mode
1: Output mode
Write "0"
Chapter 7
I/O Port
Control Registers VII - 15