S5L9291X

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 1 S5L9291X DIGITAL SIGNAL PROCESSOR BLOCK DIAGRAM SOS1 SQCK ...