CD Digital Signal Processor
CXD3009Q
CD Digital Signal Processor
Description The CXD3009Q is a digital signal processor LSI for CD players and is eq...
Description
CXD3009Q
CD Digital Signal Processor
Description The CXD3009Q is a digital signal processor LSI for CD players and is equipped with built-in digital filters, zero detection circuit, 1-bit DAC, and analog low-pass filter on a single chip. Features Digital Signal Processor (DSP) Block Playback mode supporting CAV (Constant Angular Velocity) – Frame jitter-free – Allows 0.5 to double-speed continuous playback – Allows relative rotational velocity readout – Supports external spindle control Wide capture range playback mode – Spindle rotational velocity following method – Supports normal-speed and double-speed playback 16K RAM EFM data demodulation Enhanced EFM frame sync protection SEC strategy-based error correction Subcode demodulation and Sub Q data error detection Digital spindle servo 16-bit traverse counter Asymmetry compensation circuit Serial bus-based CPU interface Error correction monitor signals, etc. are output from a new CPU interface. Servo auto sequencer Digital audio interface output Digital peak meter CD-TEXT data demodulation Digital Filter, DAC, Analog Low-Pass Filter Block DBB (Digital Bass Boost) Supports double-speed playback Digital de-emphasis Digital attenuation function Zero detection function 8Fs oversampling digital filter Applications CD players
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