h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 232
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: 232 of 766
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Section 9 I/O Ports
9.5
Port 5 is a 3-bit I/O port. Port 5 pins also function as SCI I/O pins. The pin functions of port 5 are
the same in all operating modes.
• Port 5 data direction register (P5DDR)
• Port 5 data register (P5DR)
• Port 5 register (PORT5)
9.5.1
P5DDR is a register, the individual bits of which specify input or output for the pins in port 5.
P5DDR cannot be read; if it is, an undefined value will be read.
9.5.2
P5DR stores output data for the port 5 pins.
Rev. 2.00 Dec. 05, 2005 Page 194 of 724
REJ09B0200-0200
Bit
7 to 3
2
1
0
Bit
7 to 3
2
1
0
Port 5
Port 5 Data Direction Register (P5DDR)
Port 5 Data Register (P5DR)
Bit Name
P52DDR
P51DDR
P50DDR
Bit Name
P52DR
P51DR
P50DR
Initial
Value
Undefined
0
0
0
Initial
Value
Undefined
0
0
0
R/W
W
W
W
R/W
R/W
R/W
R/W
Description
Reserved
Setting a P5DDR bit to 1 makes the corresponding port
5 pin an output pin, while clearing the bit to 0 makes the
pin an input pin.
Description
Reserved
An output data for a pin is stored when the pin function
is specified to a general purpose output port.
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