SH7785 Datasheet, PDF (1439/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

28. General Purpose I/O Ports (GPIO)
28.2.12 Port M Control Register (PMCR)
PMCR is a 16-bit readable/writable register that selects the pin function and controls the input
pull-up MOS.
Bit:
Initial value:
R/W:
15
—
1
R/W
14
—
1
R/W
13
—
1
R/W
12
—
1
R/W
11
—
1
R/W
10
—
1
R/W
9
—
1
R/W
8
—
1
R/W
7
—
1
R/W
6
—
1
R/W
5
—
1
R/W
4
—
1
R/W
3
PM1
MD1
0
R/W
2
PM1
MD0
0
R/W
1
PM0
MD1
0
R/W
0
PM0
MD0
0
R/W
Initial
Bit
Bit Name value R/W Description
15 to 4 ⎯
All 1 R/W Reserved
These bits are always read as 1, and the write value
should always be 1.
3
PM1MD1 0
R/W PM1 Mode
2
PM1MD0 0
R/W 00: LBSC module (BREQ/BSACK)
01: Port output
10: Port input (pull-up MOS: Off)
11: Port input (pull-up MOS: On)
1
PM0MD1 0
R/W PM1 Mode
0
PM0MD0 0
R/W 00: LBSC module (BACK/BSREQ)
01: Port output
10: Port input (pull-up MOS: Off)
11: Port input (pull-up MOS: On)
Rev.1.00 Jan. 10, 2008 Page 1409 of 1658
REJ09B0261-0100