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H8/3028F Datasheet(PDF) 445 Page - Renesas Technology Corp

Part # H8/3028F
Description  Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
PDF  923 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8/3028F Datasheet(HTML) 445 Page - Renesas Technology Corp

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Rev. 2.00, 09/03, page 415 of 890
11.2
Register Descriptions
11.2.1
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 TP7 to TP0. Bits corresponding to pins used for TPC output must
be set to 1. For further information about PADDR, see section 8.11, Port A.
11.2.2
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
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
Note: * Bits selected for TPC output by NDERA settings become read-only bits.
For further information about PADR, see section 8.11, Port A.



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