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LC895925

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 co...

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SeekIC No. : 004392660 Detail

LC895925: Features: • CD-ROM decoding/encoding complete with error detection and error correction• Subcode decoding/encoding complete with error correction• ATIP decoding and CRC checking fo...

LC895925 Data Sheet

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Part Number:
LC895925
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/10/27

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Product Details

Description



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
Notes:
1. Using a SCSI master clock of 20 MHz with speeds up to 8*.
2. Using a SCSI master clock of 17.2872 MHz with speeds up to 4*.


Specifications

Parameter Symbol Conditions Ratings Unit
Maximum power supply voltage VDD max   0.3 to +7.0 V
I/O voltage VI, VO   0.3 to VDD+0.3 V
Maximum power dissipation Pd max Ta70 600 mW
Operating temperature Topr   30 to +70
Storage temperature Tstg   55 to +125
Solder resistance   10 seconds 260



Description

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.


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