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參數資料
型號: W88227QD
廠商: WINBOND ELECTRONICS CORP
元件分類: 消費家電
英文描述: ATAPI CD-ROM Decoder(支持ATAPI標準的CD-ROM解碼器)
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝: LQFP-128
文件頁數: 5/116頁
文件大小: 787K
代理商: W88227QD
Preliminary/Confidential
Subject to change without notice
W88227F/W88227QD
- 1 -
1999/10/1 Rev: 0.70
1. Overview
1.1 Features
Decoder
Supports ATAPI CD-ROM standard (SFF 8020)
Supports CD-ROM, CD-ROM/XA, CD-I, Video-CD, Photo-CD, CD-Plus, and i-trax formats
Supports drive speed up to 60-fold
Supports various types of DSPs
Supports various types of industry-standard DRAMs (256K*16 ~ 64K*16, 256K*8, 128K*8)
Supports real-time correction and buffer-independent-correction
Supports automatic repeated error correction
32-byte FIFO to improve IDE interface throughput
Support data transfer to host in PIO, DMA , and UDMA/66 mode
Support block-offset-address-transfer and linear-address-transfer
Support automatic ATAPI hardware macro
Support automatic target header search and header comparison
Support automatic cache buffer management and transfer
Support Q-channel data extraction
Support high-speed CAV audio playback from DRAM buffer
Support left and right channels routing and muting
Support IEC-958 digital audio output
Programmable system clock for decoder operation
Support flash programming through IDE interface
Micro-controller
Up to DC-40MHz operation for built-in
μ
P8032
512 bytes of on-chip scratchpad RAM ( including 256 bytes re-addressable AUX_RAM)
AUX_RAM can also be dynamically programmed as an AUX_ROM ,which can be used as an internal rom
to support flash programming by uP
Internal crystal loop off in power-down mode to save more power
Support programmable wake-up from Power-Down Mode
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