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H8S/2224 Scheda tecnica(PDF) 409 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) 409 Page - Renesas Technology Corp

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Section 10 I/O Ports
Rev. 5.00 Aug 08, 2006 page 323 of 982
REJ09B0054-0500
10.4.2
Port 7 Data Register (P7DR)
P7DR stores output data for port 7 pins.
Bit
Bit Name
Initial Value
R/W
Description
7
P77DR
0
R/W
6
P76DR
0
R/W
5
P75DR
0
R/W
4
P74DR
0
R/W
3
P73DR
0
R/W
2
P72DR
0
R/W
1
P71DR
0
R/W
0
P70DR
0
R/W
Output data for a pin is stored when the pin is
specified as a general purpose I/O port.
10.4.3
Port 7 Register (PORT7)
PORT7 shows the pin states. This register cannot be modified.
Bit
Bit Name
Initial Value
R/W
Description
7P77
—*
R
6P76
—*
R
5P75
—*
R
4P74
—*
R
3P73
—*
R
2P72
—*
R
1P71
—*
R
0P70
—*
R
If a port 1 read is performed while P7DDR bits are set
to 1, the P7DR values are read. If a port 1 read is
performed while P7DDR bits are cleared to 0, the pin
states are read.
Note:
* Determined by the states of pins P77 to P70.



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