9290X01
Overview
48-LQFP-0707 S5L9290X is a signal processing LSI for the CD. Digital processing function (EFM demodulation, error correction), spindle motor servo processing, wide capture range DPLL and 1-bit DAC for the CD player are installed in S5L9290X.
- 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 servo control (X1, X2) - Wide capture range digital PLL ( ± 50%)
- Digital filter, DAC part - 4 times over sampling digital filter - Digital de-emphasis (can be process the 32kHz, 44.1kHz, 48kHz) - Sigma-delta stereo DAC installed - Audio L.P.F installed
