h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 262
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
9.13.2
PHDR stores output data for the port H pins.
9.13.3
PORTH shows the pin states. It cannot be modified.
If a port H read is performed while PHDDR bits are set to 1, the PHDR values are read. If a port H
read is performed while PHDDR bits are cleared to 0, the pin states are read.
Note:
Rev. 2.00 Dec. 05, 2005 Page 224 of 724
REJ09B0200-0200
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
*
Port H Data Register (PHDR)
Port H Register (PORTH)
Bit Name
PH7DR
PH6DR
PH5DR
PH4DR
PH3DR
PH2DR
PH1DR
PH0DR
Bit Name
PH7
PH6
PH5
PH4
PH3
PH2
PH1
PH0
Determined by state of pins PH7 to PH0.
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 PHDDR bits are
set to 1, the PHDR values are read. If this register read
is performed while PHDDR bits are cleared to 0, the pin
states are read.
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