r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 1442

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

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.
Rev.1.00 Jan. 10, 2008 Page 1412 of 1658
REJ09B0261-0100
Initial value:
Bit
15 to 12 ⎯
11
10
9
8
R/W:
Bit:
Bit Name
PP5MD1
PP5MD0
PP4MD1
PP4MD0
R/W
15
—
0
R/W
14
—
0
R/W
13
—
0
Initial
value
All 0
0
0
0
0
R/W
12
—
0
R/W
MD1
PP5
R/W
R/W
R/W
R/W
R/W
R/W
11
0
R/W
MD0
PP5
10
0
Description
Reserved
These bits are always read as 0, and the write value
should always be 0.
PP5 Mode
00: PCIC/DU module (DEVSEL/DCLKOUT)*
01: Port output
10: Port input (pull-up MOS: Off)
11: Port input (pull-up MOS: On)
PP4 Mode
00: PCIC/DU module (STOP/CDE)*
01: Port output
10: Port input (pull-up MOS: Off)
11: Port input (pull-up MOS: On)
R/W
MD1
PP4
9
0
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.
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.
R/W
MD0
PP4
8
0
R/W
MD1
PP3
7
0
R/W
MD0
PP3
6
0
R/W
MD1
PP2
5
0
R/W
MD0
PP2
4
0
R/W
MD1
PP1
3
0
R/W
MD0
PP1
2
0
R/W
MD1
PP0
1
0
R/W
MD0
PP0
0
0