h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 287
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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: 287 of 570
- Download datasheet (5Mb)
8.9.2
P9DR stores output data for the port 9 pins.
8.9.3
PORT9 shows the pin states of the port 9. PORT9 cannot be modified.
Note:
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Bit Name
P97DR
P96DR
P95DR
P94DR
P93DR
P92DR
P91DR
P90DR
Bit Name
P97
P96
P95
P94
P93
P92
P91
P90
*
Port 9 Data Register (P9DR)
Port 9 Register (PORT9)
Determined by the states of pins P97 to P90.
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 PORT9 read is performed while P9DDR bits are set
to 1, the P9DR values are read. If a PORT9 read is
performed while P9DDR bits are cleared to 0, the pin
states are read.
Description
Description
Rev. 2.00, 03/04, page 255 of 534
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