TC9490F - Toshiba Semiconductor

TC9490F Digital Servo Single-Chip Processor

Bit clock output pin. 32fs, 48fs, or 64fs selectable by command. L/R channel clock output pin. “L” for L channel and “H” for R channel. Output polarity can be inverted by command. Audio data output pin. MSB-first or LSB-first selectable by command. Digital data output pin. Outputs up to double-speed playback. Remarks Normal speed: 32fs = 1.4112 MHz Normal sp.

Features

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· Capable of decoding the text data. Sync pattern detection, sync signal protection, and synchronization can be made correctly. Built-in EFM demodulation circuit and subcode demodulation. Capable of correcting dual C1 correction and quadruple C2 correction using the CIRC correction theoretical format. The TC9490F respond to variable playback system. Jitter absorbing capacity of ±6 frame. Built-in 16 k RAM. Built-in digital out circuit. Built-in L/R independent digital attenuator. Audio output responds to bilingual function. Output format .