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LC78631E

Sanyo Semicon Device
Part Number LC78631E
Manufacturer Sanyo Semicon Device
Description Compact Disk Player DSP
Published Mar 22, 2005
Detailed Description Ordering number : EN 5342 CMOS LSI LC78631E Compact Disk Player DSP Overview The LC78631E is a compact disc D/A signa...
Datasheet PDF File LC78631E PDF File

LC78631E
LC78631E

Overview
Ordering number : EN 5342 CMOS LSI LC78631E Compact Disk Player DSP Overview The LC78631E is a compact disc D/A signal-processing LSI for CD-ROM drives that provides a variable clock error correction (VCEC) mode.
The LC78631E demodulates the EFM signal from the optical pickup and performs de-interleaving, error detection, error correction, digital filtering, and other processing.
The LC78631E includes an on-chip 1-bit D/A converter, and executes commands sent from a control microprocessor.
Package Dimensions unit: mm 3174-QFP80E [LC78631E] Features • VCEC support • Built-in PLL circuit for EFM detection (supports 4× playback) • Built-in PLL for variable pitch playback (±13%) • 18KB RAM on chip • Error detection and correction (corrects two errors in C1 and four errors in C2) • Frame jitter margin: ±8 frames • Frame synchronization signal detection, protection, and insertion • Dual interpolation adopted in the interpolation circuit.
• EFM data demodulation • Subcode demodulation • ...


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