Section 11 Local Bus State Controller (LBSC)
Rev.1.00 Dec. 13, 2005 Page 318 of 1286
REJ09B0158-0100
11.2 Input/Output
Pins
Table 11.1 shows the LBSC pin configuration.
Table 11.1 Pin Configuration
Pin Name
Function
I/O
Description
A25 to A0
Address Bus
Output
Address output
D31 to D0
*
1
Data Bus
I/O
Data input/output
BS
Bus Cycle Start Output
Signal that indicates the start of a bus cycle.
Asserted once for a burst transfer when setting
MPX interface.
Asserted each data cycle for a burst transfer
when setting other interfaces.
CS6
to
CS4
,
CS2
to
CS0
Chip Select 6 to
4 and 2 to 0
Output
Chip select signal that indicates the area being
accessed.
CS5
and
CS6
can also be used as
CE1A
to
CE1B
of PCMCIA.
R/
W
Read/Write
Output
Data bus input/output direction designation
signal. Also used as PCMCIA interface write
designation signal.
RD
/
FRAME
Read/Cycle
Frame
Output
Strobe signal indicating a read cycle.
FRAME
signal when setting MPX interface.
WE0
/
REG
Data Enable 0
Output
When setting SRAM interface: write strobe
signal for D7 to D0
When setting PCMCIA interface:
REG
signal
WE1
Data Enable 1
Output
When setting SRAM interface: write strobe
signal for D15 to D8
When setting PCMCIA interface: Write strobe
signal
WE2
/
IORD
Data Enable 2
Output
When setting SRAM interface: write strobe
signal for D23 to D16
When setting PCMCIA interface:
IORD
signal
WE3
/
IOWR
Data Enable 3
Output
When setting SRAM interface: write strobe
signal for D31 to D24
When setting PCMCIA interface:
IOWR
signal
RDY
Ready
Input
Wait cycle request signal
Содержание SH7780 Series
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Страница 292: ...Section 9 L Memory Rev 1 00 Dec 13 2005 Page 242 of 1286 REJ09B0158 0100 ...
Страница 450: ...Section 11 Local Bus State Controller LBSC Rev 1 00 Dec 13 2005 Page 400 of 1286 REJ09B0158 0100 ...
Страница 492: ...Section 12 DDR SDRAM Interface DDRIF Rev 1 00 Dec 13 2005 Page 442 of 1286 REJ09B0158 0100 ...
Страница 674: ...Section 15 Clock Pulse Generator CPG Rev 1 00 Dec 13 2005 Page 624 of 1286 REJ09B0158 0100 ...
Страница 692: ...Section 16 Watchdog Timer and Reset Rev 1 00 Dec 13 2005 Page 642 of 1286 REJ09B0158 0100 ...
Страница 726: ...Section 18 Timer Unit TMU Rev 1 00 Dec 13 2005 Page 676 of 1286 REJ09B0158 0100 ...
Страница 1004: ...Section 24 Multimedia Card Interface MMCIF Rev 1 00 Dec 13 2005 Page 954 of 1286 REJ09B0158 0100 ...
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Страница 1070: ...Section 26 Serial Sound Interface SSI Module Rev 1 00 Dec 13 2005 Page 1020 of 1286 REJ09B0158 0100 ...
Страница 1104: ...Section 27 NAND Flash Memory Controller FLCTL Rev 1 00 Dec 13 2005 Page 1054 of 1286 REJ09B0158 0100 ...
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Страница 1266: ...Section 31 Electrical Characteristics Rev 1 00 Dec 13 2005 Page 1216 of 1286 REJ09B0158 0100 ...
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