Port 5; Port 5 Data Direction Register (P5Ddr); Port 5 Data Register (P5Dr) - Renesas H8S/2368 Series Hardware Manual

9.5

Port 5

Port 5 is a 4-bit I/O port. The port 5 has the following registers.

• Port 5 data direction register (P5DDR)

• Port 5 data register (P5DR)

• Port 5 register (PORT5)
9.5.1 Port 5 Data Direction Register (P5DDR)
The individual bits of P5DDR specify input or output for the pins of port 5.
P5DDR cannot be read; if it is, an undefined value will be read.
Bit Bit Name Initial Value
7 — 0
to
4
3 P53DDR 0
2 P52DDR 0
1 P51DDR 0
0 P50DDR 0
9.5.2 Port 5 Data Register (P5DR)
P5DR stores output data for the port 5 pins.
Bit Bit Name Initial Value
7 — 0
to
4
3 P53DR 0
2 P52DR 0
1 P51DR 0
0 P50DR 0
R/W Description
— Reserved
These bits are always read as 0 and cannot be
modified.
W When a pin function is specified to a general purpose
I/O, setting this bit to 1 makes the corresponding port
W
1 pin an output pin, while clearing this bit to 0 makes
W
the pin an input pin.
W
R/W Description
— Reserved
These bits are always read as 0 and cannot be
modified.
R/W Output data for a pin is stored when the pin function
is specified to a general purpose I/O.
R/W
R/W
R/W
Rev. 2.00, 05/03, page 333 of 820