h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 261
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)
- Current page: 261 of 766
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9.13
Port H is an 8-bit I/O port. Port H pins also function as motor control PWM timer output pins.
• Port H data direction register (PHDDR)
• Port H data register (PHDR)
• Port H register (PORTH)
9.13.1
PHDDR is a write-only register, the individual bits of which specify input or output for the pins of
port H. PHDDR cannot be read; if it is, an undefined value will be read.
Bit
7
6
5
4
3
2
1
0
Port H
Port H Data Direction Register (PHDDR)
Bit Name
PH7DDR
PH6DDR
PH5DDR
PH4DDR
PH3DDR
PH2DDR
PH1DDR
PH0DDR
Initial
Value
0
0
0
0
0
0
0
0
R/W
W
W
W
W
W
W
W
W
Description
Setting a PHDDR bit to 1 makes the corresponding port
H pin an output pin, while clearing the bit to 0 makes
the pin an input pin.
Rev. 2.00 Dec. 05, 2005 Page 223 of 724
Section 9 I/O Ports
REJ09B0200-0200
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