Panasonic F77G User Manual page 168

Chapter 4 I/O Ports
4-4-2 Registers
7 6
P2OUT P2OUT7
Port 2 output register(P2OUT : x'02F12', R/W)
7 6
P2IN P2IN7
Port 2 input register(P2IN : x'02F22', R)
7 6
P2DIR
Port 2 direction control register (P2DIR : x'02F32', R/W)
7 6
P2PLU
Port 2 pull-up resistor control register(P2PLU : x'02F42', R/W)
IV - 18
Port 2
5 4 2 2
P2OUT4 P2OUT3 P2OUT2 P2OUT1 P2OUT0
5 4 2 2
P2IN4 P2IN2 P2IN2
5 4 3 2
P2DIR4 P2DIR2 P2DIR2 P2DIR1 P2DIR0
5 4 2 2
P2PLU4 P2PLU2 P2PLU2 P2PLU1 P2PLU0
Figure 4-4-1
1 0
( At reset : 1 - - 0 0 0 0 0 )
P2OUT
0
1
1 0
( At reset : 1 - - X X X X X )
P2IN1 P2IN0
P2IN
0
1
1 0
( At reset : - - - 0 0 0 0 0 )
P2DIR
0
1
1 0
( At reset : - - - 0 0 0 0 0 )
P2PLU
0
1
Port 2 Registers
Output data
Low (V level)
SS
High (V level)
DD
Input data
Pin is Low (V level).
SS
Pin is High (V level).
DD
I/O mode selection
Input mode
Output mode
Pull-up resistor selection
No pull-up resistor
Pull-up resistor