HD49235FS Overview
The HD49235FS is a digital signal processor for pact disc (CD) applications.
HD49235FS Key Features
- Powerful error correction capability: two-symbol C1 correction and four-symbol C2 correction
- Quadruple-speed reproduction supported (maintaining two-symbol C1 and four-symbol C2 error correction)
- On-chip analog PLL and digital PLL (VCO and phase detector)
- Automatic adjustment of the free-running frequency of the VCO
- Built-in microprocessor interface
- On-chip 80-bit shift registers for Q-code buffering
- Cyclic redundancy check on Q-code values
- Audio output functions: monaural output, single-channel mute, left-right reverse, soft mute, -12-dB attenuation
- 16-kbit RAM on-chip
- RAM- overflow O Subcode sync O 1 Q-code OK Q-code data Clock-EXT O O I O