Panasonic MN103S User Manual page 182

Chapter 7
I/O Port
Port A Output Register (PAOUT: 0x0000A00A) [8-bit access register]
bp 7
Flag PA7O
At reset 0
Access R/W
bp Flag
PA7O
7-0 to
PA0O
Port A Input Register (PAIN: 0x0000A01A) [8-bit access register]
bp 7
Flag PA7I
At reset x
Access R
bp Flag
PA7I
7-0 to
PA0I
Port A I/O Control Register (PADIR: 0x0000A02A) [8-bit access register]
bp 7
Flag PA7D PA6D PA5D PA4D PA3D PA2D PA1D PA0D
At reset 0
Access R/W
bp Flag
PA7D
7-0 to
PA0D
VII - 30 Control Registers
6 5 4 3
PA6O PA5O PA4O PA3O
0 0 0 0
R/W R/W R/W R/W
Description
Output data
6 5 4 3
PA6I PA5I PA4I PA3I
x x x x
R R R R
Description
Input data
6 5 4 3
0 0 0 0
R/W R/W R/W R/W
Description
I/O mode selection
2 1 0
PA2O PA1O PA0O
0 0 0
R/W R/W R/W
Set condition
Output data
2 1 0
PA2I PA1I PA0I
x x x
R R R
Set condition
Input data
2 1 0
0 0 0
R/W R/W R/W
Set condition
0: Input mode
1: Output mode