HD6432670 Hitachi, HD6432670 Datasheet - Page 504
HD6432670
Manufacturer Part Number
HD6432670
Description
(HD64F267x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432670.pdf
(953 pages)
- Current page: 504 of 953
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10.7.1
The individual bits of P7DDR specify input or output for the pins of port 7.
P7DDR cannot be read; if it is, an undefined value will be read.
Bit
7
6
5
4
3
2
1
0
10.7.2
P7DR stores output data for the port 7 pins.
Bit
7
6
5
4
3
2
1
0
Rev. 2.0, 04/02, page 458 of 906
Bit Name
—
—
P75DDR
P74DDR
P73DDR
P72DDR
P71DDR
P70DDR
Bit Name
—
—
P75DR
P74DR
P73DR
P72DR
P71DR
P70DR
Port 7 Data Direction Register (P7DDR)
Port 7 Data Register (P7DR)
Initial Value
0
0
0
0
0
0
0
0
Initial Value
0
0
0
0
0
0
0
0
R/W
—
—
W
W
W
W
W
W
R/W
—
—
R/W
R/W
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 0 and cannot be
modified.
When a pin function is specified to a general purpose
I/O, setting this bit to 1 makes the corresponding port
1 pin an output pin, while clearing this bit to 0 makes
the pin an input pin.
Description
Reserved
These bits are always read as 0 and cannot be
modified.
Output data for a pin is stored when the pin function
is specified to a general purpose I/O.
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