Registers - Panasonic F77G User Manual

4-2-2

Registers

7 6
P0OUT - P0OUT6 P0OUT5 P0OUT4 P0OUT3 P0OUT2 P0OUT1 P0OUT0
Port 0 output register (P0OUT : x'03F10', R/W)
7 6
P0IN - P0IN6
Port 0 input register (P0IN : x'03F20', R)
7 6
P0DIR - P0DIR6
Port 0 direction control register (P0DIR : x'03F30', R/W)
7 6
P0PLU - P0PLU6 P0PLU5 P0PLU4 P0PLU3 P0PLU2 P0PLU1 P0PLU0
Port 0 pull-up resistor control register (P0PLU : x'03F40', R/W)
5 4 3 2
5 4 3 2
P0IN5 P0IN4 P0IN3 P0IN2
5 4 3 2
P0DIR5 P0DIR4 P0DIR3 P0DIR2 P0DIR1 P0DIR0
5 4 3 2
Figure 4-2-1
1 0
( At reset : - 0 0 0 0 0 0 0 )
P0OUT
0
1
1 0
P0IN1 P0IN0 ( At reset : - X X X X X X X )
P0IN
0
1
1 0
( At reset : - 0 0 0 0 0 0 0 )
P0DIR
0
1
1 0
( At reset : - 0 0 0 0 0 0 0 )
P0PLU
0
1
Port 0 Registers
Chapter 4 I/O Ports
Output data
L(V level)
SS
H(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
IV - 7
Port 0