HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 568
HD6412373R
Manufacturer Part Number
HD6412373R
Description
Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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Section 10 I/O Ports
10.7.2
P8DR stores output data for the port 8 pins.
Bit
7, 6
5
4
3
2
1
0
10.7.3
PORT8 shows the pin states.
PORT8 cannot be modified.
Bit
7, 6
5
4
3
2
1
0
Note:
Rev.7.00 Mar. 18, 2009 page 500 of 1136
REJ09B0109-0700
Bit Name
⎯
P80DR
Bit Name
⎯
P80
P85DR
P84DR
P83DR
P82DR
P81DR
P85
P84
P83
P82
P81
* Determined by the states of pins P85 to P80.
Port 8 Data Register (P8DR)
Port 8 Register (PORT8)
Initial Value
0
0
Initial Value
Undefined
⎯*
0
0
0
0
0
⎯*
⎯*
⎯*
⎯*
⎯*
R/W
⎯
R/W
R/W
⎯
R
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
Description
Reserved
These bits are always read as 0 and cannot be
modified.
Description
Reserved
These bits are reserved, if read they will return an
undefined value.
Output data for a pin is stored when the pin function
is specified to a general purpose I/O.
If a port 8 read is performed while P8DDR bits are
set to 1, the P8DR values are read. If a port 8 read
is performed while P8DDR bits are cleared to 0, the
pin states are read.
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