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H8/3003 Datasheet(PDF) 403 Page - Renesas Technology Corp

Part # H8/3003
Description  microcontroller (MCU)
PDF  715 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8/3003 Datasheet(HTML) 403 Page - Renesas Technology Corp

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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.
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 9.8, 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.
For further information about PADR, see section 9.8, 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
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.
*
385



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