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CR3475

Features: General- Single-chip integration of CD-ROM decoder, CD-ROM encoder, CIRC encoder, EFM modulator, ATIP decoder, buffer manager, and interface to SCSI protocol ICs- DVD port (CL-CR3475 only)- Highly automated and high-performance CD-Recordable formatter- High-performance CD-ROM decoder- De...

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SeekIC No. : 004315968 Detail

CR3475: Features: General- Single-chip integration of CD-ROM decoder, CD-ROM encoder, CIRC encoder, EFM modulator, ATIP decoder, buffer manager, and interface to SCSI protocol ICs- DVD port (CL-CR3475 only)...

CR3475 Data Sheet

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Part Number:
CR3475
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: 2024/4/26

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Product Details

Description



Features:

General
- Single-chip integration of CD-ROM decoder, CD-ROM encoder, CIRC encoder, EFM modulator, ATIP decoder, buffer manager, and interface to SCSI protocol ICs
- DVD port (CL-CR3475 only)
- Highly automated and high-performance CD-Recordable formatter
- High-performance CD-ROM decoder
- Designed for easy and efficient firmware programming
- High-performance built-in ATAPI interface
- Fully compatible with the ATAPI Specification SFF-8020
- Automatic power-down interfaces when idle
- 144- and 176-pin LQFP packages available
- Built-in clock synthesizer
CD-ROM Decoder
- Supports CD-ROM, CD-I, and CD-DA ™(CD-Digital Audio) formats
- Supports various compact disc DSP (digital signal processor) controllers
- Supports disc speeds up to 65-MHz MCLK
- CD speeds up to 40x
 CD-ROM Decoder (cont.)
- Supports programmable pseudo-sync-mark insertion for  CD-ROM sector synchronization
- Supports automatic target sector header search for  CD-ROM
- Supports CD-Text mode format
- Sector header validity check is done by hardware during  data transfer
- Realtime CD-ROM layered ECC error correction with  programmable number of P- and Q-word corrections per  sector (up to 64 total)
- Supports realtime subcode R-W correction in CD-DA  mode
- Automated CD-R packet disc read Method-1 and  Method-2
ADB (Audio Data Buffer) and DAC Interface
- Supports CD-DA data buffering without slowing the  motor to 1x speed
- Supports streaming during disc-to-DAC data transfer
- Supports various DACs
CD-R/RW Encoder
- Supports all write methods: disc-at-once, track-at-once,  packet recording, multi-session-at-once
- Fully compatible with Orange Book Version 2.9  specification
- Highly automated CD-R formatter eliminates the sector- by-sector intervention by the microcontroller
- Supports CD-RW logical erase
- Supports up to 10x recording
- Supports subcode R-W encode
- Integrated CIRC encoder
- SPI (Serial Parallel Interface) controls an optional  external CD-R engine (CL-CR3475 only)
- Integrated EFM modulation circuitry
- Integrated ATIP decoder with target ATIP search  function
- Provides timing for laser power on/off control
ATAPI Host Interface
- True realtime hardware/software ATAPI compatibility
- Hardware implementation of ATAPI packet command  ATAPI reset command
- Automated protocol control on block data transfer for  ATAPI read/write commands
- Supports Ultra ATA 33 data transfer protocol with data rate up to 33.3 Mbytes/sec.
- Supports any host speed with programmable and auto  wait-state generation
- Supports fast ATA transfer speed up to PIO mode 4,  single-word DMA mode 2, and multi-word DMA mode 2
- Provision to daisy-chain two ATA or ATAPI embedded  drives
Buffer Manager
- Supports 8-bit and 16-bit DRAM
- Dual-port circular buffer control with access-priority  resolver
- Direct addressing of up to 16 Mbytes of DRAM
- Supports variable buffer segmentation
- Supports streaming mode: hardware automation of con- current host and disc transfers from different buffer  segments with a pacing mechanism to prevent buffer overrun and underrun conditions
Microcontroller Interface
- Supports high-speed Intel - and Motorola-type  microcontrollers
- Supports non-multiplexed and multiplexed address and data buses
- Interrupt- or polled-microcontroller interface
- Supports Intel- and Motorola-type byte ordering for word-wide microcontroller instructions
- Hardware wait states provided by the LREADY signal  with programmable or automatic wait state timing
- Supports direct microcontroller access to buffer memory
SCSI Interface
- Supports data transfer to/from SCSI protocol devices,  such as Symbios Logic 53CF94/96-2 and 53CF92A  Fast SCSI controllers
Integrated DVD Port
- 8-bit parallel interface to optional DVD data decoder  (CL-CR3475 only)



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