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參數(shù)資料
型號: W88113C
廠商: WINBOND ELECTRONICS CORP
英文描述: ATAPI CD-ROM DECODER & CONTROLLER
中文描述: ATAPI的CD - ROM解碼器
文件頁數(shù): 24/102頁
文件大小: 573K
代理商: W88113C
W88113C
Publication Release Date: Mar. 1999
- 20 - Revision 0.61
Bit 1:
MCRQ - Mode Byte Check Request
When this bit is high, ECC logic will check the 4th header byte with the setting of
M2RQ
(0Bh.3)
to determine if ECC correction to be performed.
SHDEN - Subheader Switch Enable
When this bit is high, registers
HEAD (04h-07h,r)
are used to provide subheader bytes.
Bit 0:
disc format
SIEN
(0Bh.7)
SDEN
(0Bh.6)
DESCRE
N (0Bh.5)
CWEN
(0Bh.4)
M2RQ
(0Bh.3)
F2RQ
(0Bh.2)
CD-DA
1
0
0
0
0
0
yellow book Mode 1
1
1
1
1
0
0
yellow book Mode 2
1
1
1
0
0
0
CD-ROM XA M2F1
1
1
1
1
1
0
CD-ROM XA M2F2
1
1
1
x
1
1
STAT0 - Status Register 0 - (read 0Ch)
Bit 7:
CRCOK - Cyclic Redundancy Check OK
This bit is used to indicate that the Cyclic Redundancy Check of the latest available sector is
passed.
Bit 6:
ILSYN - Illegal Sync Pattern
If
SDEN (0Bh.w6)
is high, this bit becomes high when a sync pattern is detected less than
2352 bytes after last sync pattern was detected/inserted.
Bit 5:
NOSYN - No Sync Pattern
If
SIEN (0Bh.w7)
is high, this bit becomes high when a sync pattern is not detected at 2352
bytes after last sync pattern was detected/inserted.
Bit 4:
LBKF - Long Block Flag
If
SIEN (0Bh.w7)
is low, this bit becomes high when a sync pattern is not detected at 2352
bytes after last sync pattern was detected/inserted.
Bit 3:
WSHORT - Word Short
This bit becomes high when the incoming serial data rate is too high to be processed.
Bit 2:
SBKF - Short Block Flag
If
SDEN (0Bh.w6)
is low, this bit becomes high when a sync pattern is detected less than
2352 bytes after last sync pattern was detected/inserted.
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