signal processing LSI
DIGITAL SIGNAL PROCESSOR
S5L9291X
INTRODUCTION
100-TQFP-1414 S5L9291X is a signal processing LSI for the CD. Digital p...
Description
DIGITAL SIGNAL PROCESSOR
S5L9291X
INTRODUCTION
100-TQFP-1414 S5L9291X is a signal processing LSI for the CD. Digital processing functions (EFM demodulation, error correction), spindle motor servo processing, compression for anti-rolling and anti-shock, expandable memory control functions (4M, 16M, 64M EDO/Fast Page DRAM and 16M, 32M, 64M, 128M, 256M SDRAM ), 10-band EQ (Equalizer) Filter, CD-Text and 1-bit DAC for the CD-MP3 Interface are installed in S5L9291X.
FEATURES
Signal processing part EFM data demodulation Frame sync detection, protection, insertion Sub code data processing (Q data CRC check, Q data register installed) Error correction (C1: 2 error correction, C2: 4 erasure correction) Installed 16K SRAM for De-interleave Interpolation Digital audio interface CLV/pseudo-CAV servo control Wide capture range digital PLL ( ± 50%) CD-Text Variable speed CLV Control (×1 to ×2 ) CD MP3 Interface Digital filter, DAC part 4 times over sampling digital filter Digital de-emphasis 10 Band EQ function Sigma-delta stereo DAC installed Audio L.P.F installed Memory control part 4/5/6 bit compression and expandable control Full bit control 4M/16M/64M, ×4, ×8, ×16 EDO/FastPage DRAM Support 16M/64M/128M/256M, 32M(16M 2EA), ×8, ×16 SDRAM Support
ORDERING INFORMATION
Device S5L9291X01-T0R0 Package 100-TQFP-1414 Supply Voltage 2.7 to 3.3V Operating Temperature -20 to +75°C
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S5L9291X
DIGITAL SIGNAL PROCESSOR
BLOCK DIAGRAM
SOS1 SQCK ...
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