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23 port g data register (pgdr) – Renesas SH7781 User Manual

Page 1454

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28. General Purpose I/O Ports (GPIO)

Rev.1.00 Jan. 10, 2008 Page 1424 of 1658
REJ09B0261-0100

28.2.23

Port G Data Register (PGDR)

PGDR is an 8-bit readable/writable register that stores port G data.

0

1

2

3

4

5

6

7

0

0

0

0

0

0

0

0

PG0DT

PG1DT

PG2DT

PG3DT

PG4DT

PG5DT

PG6DT

PG7DT

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Bit:

Initial value:

R/W:

Bit Bit

Name

Initial
value R/W Description

7 PG7DT

0 R/W

6 PG6DT

0 R/W

5 PG5DT

0 R/W

4 PG4DT

0 R/W

3 PG3DT

0 R/W

2 PG2DT

0 R/W

1 PG1DT

0 R/W

These bits store output data of a pin which is used as a
general-purpose output port. When the pin functions as
a general-purpose output port, reading the port will read
out the value of the corresponding bit of this register.

When the pin functions as a general-purpose input port,
reading the port will read out the status of the
corresponding pin.

0 PG0DT

0 R/W