Panasonic MN103S

Chapter 7
I/O Port
VII - 30 Control Registers
■ Port A Output Register (PAOUT: 0x0000A00A) [8-bit access register]
■ Port A Input Register (PAIN: 0x0000A01A) [8-bit access register]
■ Port A I/O Control Register (PADIR: 0x0000A02A) [8-bit access register]
bp 76543210
Flag PA7O PA6O PA5O PA4O PA3O PA2O PA1O PA0O
At reset 00000000
Access R/W R/W R/W R/W R/W R/W R/W R/W
bp Flag Description Set condition
7-0
PA7O
to
PA0O
Output data Output data
bp 76543210
Flag PA7I PA6I PA5I PA4I PA3I PA2I PA1I PA0I
At reset xxxxxxxx
Access RRRRRRRR
bp Flag Description Set condition
7-0
PA7I
to
PA0I
Input data Input data
bp 76543210
Flag PA7D PA6D PA5D PA4D PA3D PA2D PA1D PA0D
At reset 00000000
Access R/W R/W R/W R/W R/W R/W R/W R/W
bp Flag Description Set condition
7-0
PA7D
to
PA0D
I/O mode selection 0: Input mode
1: Output mode