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H8/3021 Datasheet(PDF) 315 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) 315 Page - Renesas Technology Corp

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9. Programmable Timing Pattern Controller
Rev.2.00 Mar. 22, 2007 Page 291 of 684
REJ09B0352-0200
9.2
Register Descriptions
9.2.1
Port A Data Direction Register (PADDR)
PADDR is an 8-bit write-only register that selects input or output for each pin in port A.
Bit
Initial value
Read/Write
7
PA DDR
0
W
Port A data direction 7 to 0
These bits select input or
output for port A pins
7
6
PA DDR
0
W
6
5
PA DDR
0
W
5
4
PA DDR
0
W
4
3
PA DDR
0
W
3
2
PA DDR
0
W
2
1
PA DDR
0
W
1
0
PA DDR
0
W
0
Port A is multiplexed with pins TP
7 to TP0. Bits corresponding to pins used for TPC output must
be set to 1. For further information about PADDR, see section 7.10, Port A.
9.2.2
Port A Data Register (PADR)
PADR is an 8-bit readable/writable register that stores TPC output data for groups 0 and 1, when
these TPC output groups are used.
Bit
Initial value
Read/Write
Note: * Bits selected for TPC output by NDERA settings become read-only bits.
0
PA
0
R/(W)
0
1
PA
0
R/(W)
1
2
PA
0
R/(W)
2
3
PA
0
R/(W)
3
4
PA
0
R/(W)
4
5
PA
0
R/(W)
5
6
PA
0
R/(W)
6
7
PA
0
R/(W)
7
Port A data 7 to 0
These bits store output data
for TPC output groups 0 and 1
**
*
*
*
*
*
*
For further information about PADR, see section 7.10, Port A.



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