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TC9446FG датащи(PDF) 1 Page - Toshiba Semiconductor |
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TC9446FG датащи(HTML) 1 Page - Toshiba Semiconductor |
1 / 41 page TC9446FG 2005-09-28 1 TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC9446FG Audio Digital Processor for Decode of Dolby Digital (AC-3), MPEG2 Audio TC9446FG 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 TC9446FG to decode DTS. 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 × 24 bit + 51 bit multiplier and adder, 51 bit ALU Data bus: 24 bit × 3 Data RAM: 12 k word Coefficient ROM: 4 k word Program ROM: 12 k word Program RAM: 128 word • MCU interface: Serial interface or I2C bus interface • Others It is possible to connect external RAM, 256 k or 1 M SRAM External interruption input terminal Flag input terminal: 4 inputs General-purpose output port: 8 outputs (The ports can be used as interrupt outputs to MCU and logic control outputs.) incorrect operation detect • Operating Voltage: 3.0 ± 0.3 V • In CMOS structure and high-speed processing • 100 pin flat package design Note 1: “Dolby”, “Pro Logic”, and the double-D symbol are trademarks of Dolby Laboratories. Note 2: “DTS” and “DTS Digital Surround” are registered trademarks of Digital Theater Systems, Inc. Note 3: Since this product has a weak terminal in serge voltage, please advise handling it enough. Weight: 1.57 g (typ.) P-QFP100-1420-0.65Q |
Аналогичный номер детали - TC9446FG |
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Аналогичное описание - TC9446FG |
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