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LC78621E - Compact Disc Player DSP

Key Features

  • 80-pin QIP (miniature, reduced space package).
  • Silicon gate CMOS process (for low power).
  • 5 V single-voltage power supply (for use in portable products) Package Dimensions unit: mm 3174-QFP80E [LC78621E] SANYO: QIP80E SANYO Electric Co. ,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg. , 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 83095HA (OT) No. 5223-1/34 LC78621E Equivalent Circuit Block Diagram Pin Assignment No. 5223-2/34 LC78621E.

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LC78620E Compact Disc Player DSP
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Ordering number : EN*5223 CMOS LSI LC78621E Compact Disc Player DSP Preliminary Overview The LC78621E is a CMOS LSI that implements the signal processing and servo control required by compact disk players, laser disks, CD-V, CD-I and related products. The LC78621E provides several types of signal processing, including demodulation of the optical pickup EFM signal, de-interleaving, error detection and correction, and digital filters that can help reduce the cost of CD player units. It also processes a rich set of servo system commands sent from the control microprocessor. It also incorporates an EFM-PLL circuit and a one-bit D/A converter.