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參數(shù)資料
| 型號： | LC895925 |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP160 |
| 封裝： | QFP-160 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 190K |
| 代理商： | LC895925 |
Overview
The LC895925 provides the following signal processing
functions for CD-R drives: CD-ROM decoding/encoding
(complete with ECC processing for the former), subcode
decoding/encoding, CD encoding, ATIP decoding, CLV
servo, and SCSI interface registers.
Features
CD-ROM decoding/encoding complete with error
detection and error correction
Subcode decoding/encoding complete with error
correction
ATIP decoding and CRC checking for both encoding
and decoding
CLV servo control using ATIP data during encoding
CIRC code insertion and EFM modulation during
encoding
Support for PCA random EFM output during encoding
Support for CD-ReWritable (CD-RW) Write Strategy
signal output
Access to buffer RAM from microcontroller via
LC895925
Built-in SCSI interface
Speeds of 12
× for decoding and 4× for encoding
— Frequencies
Decoding: 17.2872 MHz
Encoding: 17.2872 MHz without Write Strategy
support
69.1488 MHz with Write Strategy
support
Transfers speeds of 10 megabytes/s (synchronous) and 5
megabytes/s (asynchronous) with 16 80-ns DRAMs *1
Buffer RAM sizes between 1 and 32 megabits (using 16-
bit DRAMs)
User control over sizes of CD main channel, C2 flag,
and subcode areas in buffer RAM
Built-in batch transfer function for transferring entire
CD main channel, C2 flag, or subcode area in a single
operation
Built-in multiblock transfer function for transferring
multiple blocks in a single operation
Note:
1. Using a SCSI master clock of 20 MHz with speeds up
to 8
×.
Package Dimensions
unit: mm
3153A-QFP160E
CMOS IC
30698RM (OT) No. 5784-1/7
Preliminaly
SANYO: QIP160E
[LC895925]
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Signal Processing IC for CD-R Drives
LC895925
Ordering number : EN*5784
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