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H8/3021 Datasheet(PDF) 665 Page - Renesas Technology Corp

Part # H8/3021
Description  16-Bit Single-Chip Microcomputer
PDF  712 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8/3021 Datasheet(HTML) 665 Page - Renesas Technology Corp

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Appendix B. Internal I/O Register Field
Rev.2.00 Mar. 22, 2007 Page 641 of 684
REJ09B0352-0200
P9DDR—Port 9 Data Direction Register
H'D0
Port 9
Bit
Initial value
Read/Write
7
—
1
—
6
—
1
—
5
P95DDR
0
W
4
P9 DDR
0
W
4
3
P93DDR
0
W
2
P9 DDR
0
W
2
1
P91DDR
0
W
0
P9 DDR
0
W
0
Port 9 input/output select
0
Generic input
1
Generic output
PADDR—Port A Data Direction Register
H'D1
Port A
Bit
Initial value
Read/Write
Initial value
Read/Write
7
PA DDR
1
—
0
W
7
6
PA DDR
0
W
0
W
6
5
PA DDR
0
W
0
W
5
4
PA DDR
0
W
0
W
4
3
PA DDR
0
W
0
W
3
2
PA DDR
0
W
0
W
2
1
PA DDR
0
W
0
W
1
0
PA DDR
0
W
0
W
0
Port A input/output select
0
Generic input
1
Generic output
Modes
3 and 6
Modes
1, 5 and 7
P9DR—Port 9 Data Register
H'D2
Port 9
Bit
Initial value
Read/Write
7
—
1
—
6
—
1
—
5
P95
0
R/W
4
P94
0
R/W
3
P93
0
R/W
2
P92
0
R/W
1
P91
0
R/W
0
P90
0
R/W
Data for port 9 pins



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