h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 264
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
(766 pages)
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Section 9 I/O Ports
9.14.2
PJDR stores output data for the port J pins.
9.14.3
PORTJ shows the pin states. It cannot be modified.
Writing of output data for the port J pins must always be performed on PJDR.
Note:
Rev. 2.00 Dec. 05, 2005 Page 226 of 724
REJ09B0200-0200
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
*
Port J Data Register (PJDR)
Port J Register (PORTJ)
Bit Name
PJ7DR
PJ6DR
PJ5DR
PJ4DR
PJ3DR
PJ2DR
PJ1DR
PJ0DR
Bit Name
PJ7
PJ6
PJ5
PJ4
PJ3
PJ2
PJ1
PJ0
Determined by state of pins PJ7 to PJ0.
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
Description
An output data for a pin is stored when the pin function
is specified to a general purpose output port.
Description
If this register read is performed while PJDDR bits are
set to 1, the PJDR values are read. If this register read
is performed while PJDDR bits are cleared to 0, the pin
states are read.
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