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| 型号： | TC9446FG |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封装： | 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件页数： | 1/41页 |
| 文件大小： | 562K |
| 代理商： | TC9446FG |
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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
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| TC9447F | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC9447F | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Single-Chip Audio Digital Signal Processor |
| TC9452F | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:SINGLE CHIP SURROUND LSI |
| TC9455F | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic |
| TC9455N | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic |
| TC9456F | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:SINGLE CHIP SURROUND LSI WITH A BUILT-IN SRS |
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