CXD2548R

CXD2548R CD Digital Signal Processor with Built-in Digital Servo and DAC For the availability of this product, please contact the sales office. Description The CXD2548R 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 All digital signal processing during playback is performed with a single chip Highly integrated mounting possible due to a builtin RAM Digital Signal Processor (DSP) Block Playback mode which supports CAV (Constant Angular Velocity) Frame jitter free 0.5 × to 2.5 × 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, double-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 Digital Servo (DSSP) Block Microcomputer software-based flexible servo control Offset cancel function for servo error signal Auto gain control function for servo loop E...