Hardware manual

Rev. 3.0, 09/98, page 336 of 361
P2DDRPort 2 Data Direction Register H'FFB1 Port 2
Bit
Mode 1
Initial value
Read/Write
Modes 2 and 3
Initial value
Read/Write
7
P2
7 DDR
1
—
0
W
6
P2 6 DDR
1
—
0
W
5
P2 5 DDR
1
—
0
W
4
P2 4 DDR
1
—
0
W
3
P2 3 DDR
1
—
0
W
0
P2 0 DDR
1
—
0
W
2
P2 2 DDR
1
—
0
W
1
P2 1 DDR
1
—
0
W
Port 2 Input/Output Control
Input port
Output port
0
1
P2DRPort 2 Data Register H'FFB3 Port 2
Bit
Initial value
Read/Write
7
P2
7
0
R/W
6
P2
6
0
R/W
5
P2
5
0
R/W
4
P2
4
0
R/W
3
P2
3
0
R/W
0
P2
0
0
R/W
2
P2
2
0
R/W
1
P2
1
0
R/W
P3DDRPort 3 Data Direction Register H'FFB4 Port 3
Bit
Initial value
Read/Write
7
P3
7 DDR
0
W
6
P3
6 DDR
0
W
5
P3
5 DDR
0
W
4
P3
4 DDR
0
W
3
P3
3 DDR
0
W
0
P3
0 DDR
0
W
2
P3
2 DDR
0
W
1
P3
1 DDR
0
W
Port 3 Input/Output Control
Input port
Output port
0
1