11. Local Bus State Controller (LBSC)
Rev.1.00 Jan. 10, 2008 Page 378 of 1658
REJ09B0261-0100
Bit Bit
Name
Initial
Value R/W Description
27
⎯
0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
26 to 24 ADH
111
R/W
Address Hold Cycle
These bits specify the number of cycles to be inserted
as the address hold time with respect to
CSn
negation.
(Only valid when the SRAM interface, byte control
SRAM interface, or burst ROM interface is selected.)
000: No cycle inserted
001: 1 cycle inserted
010: 2 cycles inserted
011: 3 cycles inserted
100: 4 cycles inserted
101: 5 cycles inserted
110: 6 cycles inserted
111: 7 cycles inserted
23
⎯
0
R
Reserved
This bit is always read as 0. The write value should
always be 0.
22 to 20 RDS
111
R/W
RD
Setup Cycle (
CSn
Assertion–
RD
Assertion Delay
Cycle)
These bits specify the number of cycles to be inserted
as the time from
CSn
assertion to
RD
assertion. (Only
valid only when the SRAM interface, byte control SRAM
interface, or burst ROM interface is selected.)
000: No cycle inserted (1 cycle delayed)
001: 1 cycle inserted (2 cycles delayed)
010: 2 cycles inserted (3 cycles delayed)
011: 3 cycles inserted (4 cycles delayed)
100: 4 cycles inserted (5 cycles delayed)
101: 5 cycles inserted (6 cycles delayed)
110: 6 cycles inserted (7 cycles delayed)
111: 7 cycles inserted (8 cycles delayed)
Содержание SH7781
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Страница 74: ...2 Programming Model Rev 1 00 Jan 10 2008 Page 44 of 1658 REJ09B0261 0100 ...
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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