SH7785 Datasheet, PDF (1442/1692 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

28. General Purpose I/O Ports (GPIO)
28.2.14 Port P Control Register (PPCR)
PPCR 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
—
0
R/W
14
—
0
R/W
13
—
0
R/W
12
—
0
R/W
11
PP5
MD1
0
R/W
10
PP5
MD0
0
R/W
9
PP4
MD1
0
R/W
8
PP4
MD0
0
R/W
7
PP3
MD1
0
R/W
6
PP3
MD0
0
R/W
5
PP2
MD1
0
R/W
4
PP2
MD0
0
R/W
3
PP1
MD1
0
R/W
2
PP1
MD0
0
R/W
1
PP0
MD1
0
R/W
0
PP0
MD0
0
R/W
Initial
Bit
Bit Name value R/W Description
15 to 12 ⎯
All 0 R/W Reserved
These bits are always read as 0, and the write value
should always be 0.
11
PP5MD1 0
10
PP5MD0 0
R/W PP5 Mode
R/W 00: PCIC/DU module (DEVSEL/DCLKOUT)*
When the bus mode is set to the local bus by the
bus mode pins (MODE11 and MODE12), port input
(pull-up MOS: On) is selected.
01: Port output
10: Port input (pull-up MOS: Off)
11: Port input (pull-up MOS: On)
9
PP4MD1 0
R/W PP4 Mode
8
PP4MD0 0
R/W 00: PCIC/DU module (STOP/CDE)*
When the bus mode is set to the local bus by the
bus mode pins (MODE11 and MODE12), port input
(pull-up MOS: On) is selected.
01: Port output
10: Port input (pull-up MOS: Off)
11: Port input (pull-up MOS: On)
Rev.1.00 Jan. 10, 2008 Page 1412 of 1658
REJ09B0261-0100