CXD3021R
CXD3021R is CD Digital Signal Processor with Built-in Digital Servo and DAC manufactured by Sony Semiconductor Solutions.
- Part of the CXD comparator family.
- Part of the CXD comparator family.
CD Digital Signal Processor with Built-in Digital Servo and DAC
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Description The CXD3021R is a digital signal processor LSI for CD players. This LSI incorporates a digital servo, digital filter and 1-bit DAC. 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 supporting CAV (Constant Angular Velocity)
- Frame jitter free
- 0.5× to 32× continuous playback possible with a low external clock
- Allows relative rotational velocity readout
- Wide capture range playback mode
- Spindle rotational velocity following method
- Supports 1× to 32× playback by switching the built-in VCO
- The bit clock, which strobes the EFM signal, is generated by the digital PLL.
- Digital PLL master clock can be set to 2/3 the conventional one.
- EFM data demodulation
- Enhanced EFM frame sync signal protection
- Refined super strategy-based powerful error correction C1: double correction, C2: quadruple correction Supported during 32× playback
- Noise reduction during track jumps
- Auto zero-cross mute
- Subcode demodulation and Sub-Q data error detection
- Digital CLV spindle servo (built-in oversampling filter)
- 16-bit traverse counter
- Asymmetry correction circuit
- CPU interface on serial bus
- Error correction monitor signal, etc. output from a new CPU interface
- Servo auto sequencer
- Fine search performs track jumps with high accuracy
- Digital audio interface outputs
- Digital level meter, peak meter
- Bilingual...
