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H8/3021 Datasheet(PDF) 664 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) 664 Page - Renesas Technology Corp

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Appendix B. Internal I/O Register Field
Rev.2.00 Mar. 22, 2007 Page 640 of 684
REJ09B0352-0200
P8DDR—Port 8 Data Direction Register
H'CD
Port 8
Bit
Initial value
Read/Write
7
—
1
—
6
—
1
—
5
—
1
—
4
—
0
W
3
—
0
W
2
—
0
W
1
P8 DDR
0
W
1
0
P8 DDR
0
W
0
Port 8 input/output select
0
Generic input
1
Generic output
P7DR—Port 7 Data Register
H'CE
Port 7
Bit
Initial value
Read/Write
0
P7
—
R
*
Note: * Determined by pins P7 to P7 .
0
1
P7
—
R
*
1
2
P7
—
R
*
2
3
P7
—
R
*
3
4
P7
—
R
*
4
5
P7
—
R
*
5
6
P7
—
R
*
6
7
P7
—
R
*
7
The port 7 pin states are read from these bits
70
P8DR—Port 8 Data Register
H'CF
Port 8
Bit
Initial value
Read/Write
7
—
1
—
6
—
1
—
5
—
1
—
4
—
0
R/W
3
—
0
R/W
2
—
0
R/W
1
P8
0
R/W
1
0
P8
0
R/W
0
Data for port 8 pins



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