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參數(shù)資料
型號： W88112F
廠商： WINBOND ELECTRONICS CORP
元件分類： 存儲控制器/管理單元
英文描述： ATAPI CD-ROM DECODER & CONTROLLER
中文描述： IDE COMPATIBLE, CD ROM CONTROLLER, PQFP100
封裝： PLASTIC, QFP-100
文件頁數(shù)： 20/64頁
文件大?。?/td> 466K
代理商： W88112F
W88111AF/W88112F
Preliminary/Confidential
ATAPI CD-ROM Decoder & Controller
This specification is subject to change without notice.
Publication Release Date: Aug, 1996
Preliminary/ Confidential Revision A0.1
- 20 -
Status Flag
SIEN
(0Bh.7)
x
SDEN
(0Bh.6)
1
Internal Operation
ILSYN(0Ch.6)
re-synchronize internal sync logic
NOSYN(0Ch.5)
1
x
internal sync logic provide internal sector
boundary
LBKF(0Ch.4)
0
x
internal sync logic do not provide internal
sector boundary
SBKF(0Ch.2)
x
0
do not re-synchronize internal sync logic
Bit 1: FDIF - Fast Decoder Interrupt Flag
If FDIEN(10h.3) is enabled, this bit becomes high when the Header/Subheader bytes are ready
after ECC is complete and before CRC is complete. Meanwhile, UINTb(pin 36) and
STAVAb(0Fh.7) become active-low thus accelerate the following microprocessor operations.
FDIF is deactivated when CRC is complete. UINTb(pin 36) also becomes low-active when CRC is
complete. So if FDIEN(10h.3) is enabled, CRCVAb(10h.7) should be used to determine whether
the CRCOK(0Ch.7) is available when interrupt becomes active.
Bit 0: UEBK - Incorrectable Errors in Block
This bit is used to indicate that at least one data is corrected in the latest available data block.
STAT1 - Status Register 1 - (read 0Dh)
Bit 4: HDERA - Header Erasure
This bit is high if there is at least one erasure flag detected in header bytes excluding mode byte.
Erasure in mode byte will cause RMOD3-0(0Eh.7-4) all become high.
Bit 0: SHDERA - Subheader Erasure
This bit is high if erasure flags are detected for both bytes in at least one subheader byte-pairs.
Erasures are latched from pin C2PO if BUFEN(0Ah.2) is disabled. Otherwise, header and subheader
bytes are retrieved from external RAM while the following sector is being buffered.
相關(guān)PDF資料
PDF描述
W88113C ATAPI CD-ROM DECODER & CONTROLLER
W88113CD ATAPI CD-ROM DECODER & CONTROLLER
W88113CF ATAPI CD-ROM DECODER & CONTROLLER
W88227F ATAPI CD-ROM Decoder(支持ATAPI標(biāo)準(zhǔn)的CD-ROM解碼器)
W88227QD ATAPI CD-ROM Decoder(支持ATAPI標(biāo)準(zhǔn)的CD-ROM解碼器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W88113C 制造商:WINBOND 制造商全稱:Winbond 功能描述:ATAPI CD-ROM DECODER & CONTROLLER
W88113CD 制造商:WINBOND 制造商全稱:Winbond 功能描述:ATAPI CD-ROM DECODER & CONTROLLER
W88113CF 制造商:WINBOND 制造商全稱:Winbond 功能描述:ATAPI CD-ROM DECODER & CONTROLLER
W88611P 制造商:WINBOND 制造商全稱:Winbond 功能描述:VCD 4X RF AMP/DIGITAL SERVO & DSP
W88631F 制造商:WINBOND 制造商全稱:Winbond 功能描述:VCD 4X RF AMP/DIGITAL SERVO & DSP
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