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LC7874E

Features: • A CD-G decoder can be configured using a three-chip combination of this LSI-the LC7874E-with external RAM (64K * 4 bits) and an LC78010E digital RGB encoder.• Performs insertion and protection of CD subcode R to W sync signals and detection of R to W signal deinterleave err...

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SeekIC No. : 004392203 Detail

LC7874E: Features: • A CD-G decoder can be configured using a three-chip combination of this LSI-the LC7874E-with external RAM (64K * 4 bits) and an LC78010E digital RGB encoder.• Performs insert...

LC7874E Data Sheet

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Part Number:
LC7874E
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• A CD-G decoder can be configured using a three-chip combination of this LSI-the LC7874E-with external RAM (64K * 4 bits) and an LC78010E digital RGB encoder.
• Performs insertion and protection of CD subcode R to W sync signals and detection of R to W signal deinterleave error signals.
• Has two crystal oscillators, for NTSC and PAL, with simple switchover by means of a control pin.
  Connecting a crystal resonator of 14.31818 MHz for NTSC and 17.734476 MHz for PAL enables the standard clock and other necessary timings to be generated internally.
• Performs CD graphics instruction processing and drawing functions, and controls image display.
• Has microcomputer interface functions, allowing set upgrading.
• Provides superimposition support.
• Has a color bar signal output function.
• DRAM interface and RGB output and sync signal output are 3-state outputs.


Pinout

Connection Diagram


Description

The LC7874E is a CMOS LSI that provides the signal processing needed for compact disc graphics (CD-G) on a single chip. The LC7874E accepts subcode R to W signals output from a CD player DSP LC786X Series,LC7862XE Series, or LC7863XE Series device, and performs de-interleaving, error detection and correction,graphic instruction processing, and image processing.




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