HD6433044 Datasheet, PDF (815/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

P8DDR—Port 8 Data Direction Register
H'CD
Port 8
Bit
7
6
5
4
3
2
1
0
—
—
— P8₄DDR P8₃DDR P8₂DDR P8₁DDR P8₀DD
Modes ^{Initial value 1}
1
1
1
0
0
0
0
1 to 4 _{Read/Write —}
—
—
W
W
W
W
W
Modes ^{Initial value 1}
1
1
0
0
0
0
0
5 to 7 _{Read/Write —}
—
—
W
W
W
W
W
Port 8 input/output select
0 Generic input
1 CS output
Port 8 input/output se
0 Generic input
1 Generic output
P7DR—Port 7 Data Register
Bit
7
6
P7₇
P7₆
Initial value
—*
—*
Read/Write
R
R
H'CE
5
4
3
2
1
P7₅
P7₄
P7₃
P7₂
P7₁
—*
—*
—*
—*
—*
R
R
R
R
R
Read the pin levels for port 7
Port 7
0
P7₀
—*
R
Note: * Determined by pins P7₇ to P7₀.
P8DR—Port 8 Data Register
Bit
7
6
—
—
Initial value
1
1
Read/Write
—
—
H'CF
Port 8
5
4
3
2
1
0
—
P8 ₄
P8 ₃
P8 ₂
P8 ₁
P8 ₀
1
0
0
0
0
0
—
R/W
R/W
R/W
R/W
R/W
Data for port 8 pins
808