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LC78628E - Compact Disc Player DSP

Features

  • 80-pin QFP package.
  • Fabricated in a silicon gate CMOS process.
  • 3.3 and 5 V power supply voltages VDD VSS VDD3V VSS RAM address generator Interpolation mute Bilingual LRSY C2F ROMXA LRCKI BCKI DATAI MUX, S.
  • P HDCD decoder MUX 8.
  • Fs HDCD interpolation filter De-emphasis attenuator Digital output DOUT GAIN HDCD DEFI EFMIN Slice level control VCO clock control FSEQ Synchronization EFM demodulation C1 and C2 error detection and correction flag processing C.

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LC78620E Compact Disc Player DSP
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Full PDF Text Transcription

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Ordering number : ENN6329 CMOS IC LC78628E Compact Disc Player DSP with Built-in HDCD Decoder ® Overview The LC78628E CMOS IC implements signal processing and servo control for compact disc players, laser disc players, CD-V, CD-I, and similar products. It provides functions for demodulation of the EFM signal from the optical pickup, deinterleaving, error detection and correction, and processing servo system commands issued by the system microprocessor. In addition to this basic CD functionality, it also provides HDCD (High Definition Compatible Digital) decoding functions and CD text functions. It also includes a built-in EFM PLL circuit. • Performs detection, protection, and interpolation for the frame synchronizing signal to assure stable data readout.
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