Part number:
LC78631E
Manufacturer:
Sanyo Semicon Device
File Size:
503.10 KB
Description:
Compact disk player dsp.
LC78631E_SanyoSemiconDevice.pdf
Datasheet Details
Part number:
LC78631E
Manufacturer:
Sanyo Semicon Device
File Size:
503.10 KB
Description:
Compact disk player dsp.
LC78631E, Compact Disk Player DSP
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.
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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
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