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Description

The CXD2588Q/R is a digital signal processor LSI for CD players. This LSI incorporates a digital servo, digital filter, zero detection circuit, 1-bit DAC and analog low-pass filter on a single chip.

Features

Digital Signal Processor (DSP) Block

? Playback mode which supports CAV (Constant Angular Velocity)

? Frame jitter free

? 0.5× to 4× continuous playback possible

? Allows relative rotational velocity readout

? Supports spindle external control

? Wide capture range playback mode

? Spindle rotational velocity following method

? Supports normal-speed, 4× speed playback

? 16K RAM

? EFM data demodulation

? Enhanced EFM frame sync signal protection

? SEC strategy-based error correction

? Subcode demodulation and Sub Q data error detection

? Digital spindle servo

? 16-bit traverse counter

? Asymmetry compensation circuit

? CPU interface on serial bus

? Error correction monitor signal, etc. output from a new CPU interface

? Servo auto sequencer

? Digital audio interface outputs

? Digital level meter, peak meter

? CD TEXT data demodulation