HD49235 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD49235

Digital Signal Processor for CD

Hitachi -> Renesas Electronics 

HD49235FS

Digital Signal Processor for CD

ADE-207-162A(Z)

2nd. Edition

August 1995

Description

The HD49235FS is a digital signal processor for compact disc (CD) applications.

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

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