h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 279
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h8s-2172
Manufacturer Part Number
h8s-2172
Description
Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2172.pdf
(570 pages)
- Current page: 279 of 570
- Download datasheet (5Mb)
8.7.2
P7DR stores output data for the port 7 pins.
8.7.3
PORT7 shows the pin states of the port 7. PORT7 cannot be modified.
Note:
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Bit Name
P77DR
P76DR
P75DR
P74DR
P73DR
P72DR
P71DR
P70DR
Bit Name
P77
P76
P75
P74
P73
P72
P71
P70
*
Port 7 Data Register (P7DR)
Port 7 Register (PORT7)
Determined by the states of pins P77 to P70.
Initial
Value
0
0
0
0
0
0
0
0
Initial
Value
*
*
*
*
*
*
*
*
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
Output data for a pin is stored when the pin function is
specified to a general purpose output.
If a PORT7 read is performed while P7DDR bits are set
to 1, the P7DR values are read. If a PORT7 read is
performed while P7DDR bits are cleared to 0, the pin
states are read.
Description
Description
Rev. 2.00, 03/04, page 247 of 534
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