HD6473032F Datasheet, PDF (530/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer

RDR—Receive Data Register
H'B5
SCI
Bit
7
6
5
4
3
2
1
0
Initial value
0
Read/Write
R
0
0
0
0
0
R
R
R
R
R
Serial receive data
0
0
R
R
P1DDR—Port 1 Data Direction Register
H'C0
Port 1
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
P1₇DDR P1₆DDR P1₅DDR P1₄DDR P1₃DDR P1₂DDR P1₁DDR P1₀DDR
0
0
0
0
0
0
0
0
W
W
W
W
W
W
W
W
Port 1 input/output select
0 Generic input
1 Generic output
P2DDR—Port 2 Data Direction Register
H'C1
Port 2
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
P2₇DDR P2₆DDR P2₅DDR P2₄DDR P2₃DDR P2₂DDR P2₁DDR P2₀DDR
0
0
0
0
0
0
0
0
W
W
W
W
W
W
W
W
Port 2 input/output select
0 Generic input
1 Generic output
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