h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 177
h8s-2628
Manufacturer Part Number
h8s-2628
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2628.pdf
(641 pages)
- Current page: 177 of 641
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9.2.2
P3DR is an 8-bit readable/writable register that stores output data for port 3 pins.
9.2.3
PORT3 is an 8-bit read-only register that shows the pin states.
Note:
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Bit Name
P37DR
P36DR
P35DR
P34DR
P33DR
P32DR
P31DR
P30DR
Bit Name
P37
P36
P35
P34
P33
P32
P31
P30
*
Port 3 Data Register (P3DR)
Port 3 Register (PORT3)
Determined by the states of pins P37 to P30.
Initial Value
0
0
0
0
0
0
0
0
Initial Value
Undefined *
Undefined *
Undefined *
Undefined *
Undefined *
Undefined *
Undefined *
Undefined *
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
Description
Output data for a pin is stored when the pin is
specified as a general I/O port.
Description
If a port 3 read is performed while P3DDR bits are
set to 1, the P3DR values are read. If a port 3 read is
performed while P3DDR bits are cleared to 0, the pin
states are read.
Rev. 3.00 Oct 04, 2005 page 137 of 598
Section 9 I/O Ports
REJ09B0155-0300
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