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H8S/2224 Scheda tecnica(PDF) 430 Page - Renesas Technology Corp

Il numero della parte H8S/2224
Spiegazioni elettronici  16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series
PDF  1071 Pages
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Produttore elettronici  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8S/2224 Scheda tecnica(HTML) 430 Page - Renesas Technology Corp

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Section 10 I/O Ports
Rev. 5.00 Aug 08, 2006 page 344 of 982
REJ09B0054-0500
10.9.2
Port D Data Register (PDDR)
PDDR stores output data for port D pins.
Bit
Bit Name
Initial Value
R/W
Description
7
PD7DR
0
R/W
6
PD6DR
0
R/W
5
PD5DR
0
R/W
4
PD4DR
0
R/W
3
PD3DR
0
R/W
2
PD2DR
0
R/W
1
PD1DR
0
R/W
0
PD0DR
0
R/W
Output data for a pin is stored when the pin is
specified as a general purpose I/O port.
10.9.3
Port D Register (PORTD)
PORTD shows port D pin states. This register cannot be modified.
Bit
Bit Name
Initial Value
R/W
Description
7PD7
*
R
6PD6
*
R
5PD5
*
R
4PD4
*
R
3PD3
*
R
2PD2
*
R
1PD1
*
R
0PD0
*
R
If a port D read is performed while PDDDR bits are
set to 1, the PDDR values are read. If a port D read is
performed while PDDDR bits are cleared to 0, the pin
states are read.
Note:
* Determined by the states of pins PD7 to PD0.



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