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TC9446F - Audio Digital Processor

Description

of Pin Functions Reset signal input terminal (L: reset, H: normal operation) Mode select input for MCU interface (L: serial, H: I C bus) Chip select input for MCU interface Latch pulse input for MCU interface Data input and output for MCU interface Clock input for MCU interface Acknowledge output fo

Features

  • Dolby digital (AC-3) or MPEG2 audio decode Acceptable bit rate upto 640 kbps Audio interface 4 output port, 2 input port (2 port of LRCK and BCK) DIR (digital audio interface receiver) built-in DIT (digital audio interface transmitter) built-in DIR and DIT are available upto 96 kHz sampling of 2 channel.
  • Operating clock: DLL oscillator upto 6th times for DSP clock Instruction cycle: 20 ns/1 instruction at 50 MIPS operation DSP Processor: 24 bit ×.

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Full PDF Text Transcription

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TC9446F TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC9446F Audio Digital Processor for Decode of Dolby Digital (AC-3), MPEG2 Audio TC9446F is the various digital signal processor for decoding. It contains the decode processing program which embraced encoding signals, such as Dolby Digital (AC-3)/Pro Logic (Note 1), MPEG2 audio and DTS (Note 2). Decoding of Dolby Digital or MPEG2 audio is made with a single chip. Moreover, an external memory can be connected to the TC9446F to decode DTS.
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