28. General Purpose I/O Ports (GPIO)
Rev.1.00 Jan. 10, 2008 Page 1395 of 1658
REJ09B0261-0100
28.2.5
Port E Control Register (PECR)
PECR is a 16-bit readable/writable register that selects the pin function and controls the input pull-
up MOS.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
15
14
1
1
0
0
0
0
1
1
0
0
0
0
0
0
0
0
PE0
MD0
PE0
MD1
PE1
MD0
PE1
MD1
PE2
MD0
PE2
MD1
PE3
MD0
PE3
MD1
PE4
MD0
PE4
MD1
PE5
MD0
PE5
MD1
—
—
—
—
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
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
15 to 12
⎯
All
0
R/W
Reserved
These bits are always read as 0, and the write value
should always be 0.
11
10
PE5MD1
PE5MD0
0
0
R/W
R/W
PE5 Mode
00: PCIC module (
REQ1
)
When the bus mode is set to the local bus or DU via
the bus mode pins (MODE1 and MODE2), 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
8
PE4MD1
PE4MD0
0
0
R/W
R/W
PE4 Mode
00: PCIC module (
REQ2
)
When the bus mode is set to the local bus or DU via
the bus mode pins (MODE1 and MODE2), 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)
7
6
PE3MD1
PE3MD0
1
1
R/W
R/W
PE3 Mode
00: PCIC module (
REQ3
)
*
01: Port output
10: Port input (pull-up MOS: Off)
11: Port input (pull-up MOS: On)
Содержание SH7781
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Страница 272: ...8 Caches Rev 1 00 Jan 10 2008 Page 242 of 1658 REJ09B0261 0100 ...
Страница 376: ...10 Interrupt Controller INTC Rev 1 00 Jan 10 2008 Page 346 of 1658 REJ09B0261 0100 ...
Страница 694: ...13 PCI Controller PCIC Rev 1 00 Jan 10 2008 Page 664 of 1658 REJ09B0261 0100 ...
Страница 762: ...14 Direct Memory Access Controller DMAC Rev 1 00 Jan 10 2008 Page 732 of 1658 REJ09B0261 0100 ...
Страница 788: ...15 Clock Pulse Generator CPG Rev 1 00 Jan 10 2008 Page 758 of 1658 REJ09B0261 0100 ...
Страница 828: ...17 Power Down Mode Rev 1 00 Jan 10 2008 Page 798 of 1658 REJ09B0261 0100 ...
Страница 846: ...18 Timer Unit TMU Rev 1 00 Jan 10 2008 Page 816 of 1658 REJ09B0261 0100 ...
Страница 1292: ...24 Multimedia Card Interface MMCIF Rev 1 00 Jan 10 2008 Page 1262 of 1658 REJ09B0261 0100 ...
Страница 1326: ...25 Audio Codec Interface HAC Rev 1 00 Jan 10 2008 Page 1296 of 1658 REJ09B0261 0100 ...
Страница 1482: ...28 General Purpose I O Ports GPIO Rev 1 00 Jan 10 2008 Page 1452 of 1658 REJ09B0261 0100 ...
Страница 1538: ...30 User Debugging Interface H UDI Rev 1 00 Jan 10 2008 Page 1508 of 1658 REJ09B0261 0100 ...
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