SH7785 Datasheet, PDF (1459/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

28. General Purpose I/O Ports (GPIO)
28.2.28 Port M Data Register (PMDR)
PMDR is an 8-bit readable/writable register that stores port M data.
Bit:
Initial value:
R/W:
7
—
0
R/W
6
—
0
R/W
5
—
0
R/W
4
—
0
R/W
3
—
0
R/W
2
1
0
— PM1DT PM0DT
0
0
0
R/W R/W R/W
Initial
Bit
Bit Name value R/W Description
7 to 2 ⎯
All 0 R/W Reserved
These bits are always read as 0, and the write value
should always be 0.
1
PM1DT
0
R/W These bits store output data of a pin which is used as a
0
PM0DT
0
R/W ^{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.
Rev.1.00 Jan. 10, 2008 Page 1429 of 1658
REJ09B0261-0100