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ST18-AU1 датащи(PDF) 1 Page - STMicroelectronics |
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ST18-AU1 датащи(HTML) 1 Page - STMicroelectronics |
1 / 87 page February 98 42 1726 00 This is preliminary information on a product in development or undergoing evaluation. Details are subject to change without notice. ST18-AU1 SIX-CHANNEL DOLBY AC3/MPEG2 AUDIO DECODER PRELIMINARY DATA FEATURES s Single chip multi-function audio decoder able to decompress DOLBY AC-3, MPEG-1 and MPEG-2 audio streams. s Maximum 5.1 channel DOLBY AC-3 decoding to 2 channel mixed down output with DOLBY surround compatible or karaoke capable option. s Variable bit rate MPEG-1 layer II audio decoding, and MPEG-2 multi-channel audio decoding for karaoke capable application. s Input data rates s up to 448 Kbits/s for AC-3 decoder s up to 912 Kbits/s for MPEG-1 or MPEG-2 audio decoder s Supports up to 8 channel DVD linear PCM input at max rate of 6.144 Mbits/s down-mixing and/ or sub-sampling to 2 to 6 channels. s Accepts MPEG-1 or DVD/MPEG-2 PES input packets. s Programmable D950 core s System time clock provides A/V synchronization and PTS packet extraction. s Automatic error concealment on CRC or synchronization error. s 6 channel PCM audio output at 16/18/20/24 bit. Sampling rate of 32/44.1/48/96 kHz. s Two on-chip PLLs providing full circuit operation with only one external 27 MHz clock. s I2C interface for host control s Multi-format i2S serial data input port and decoded audio PCM output port. s IEC-958 (S/PDIF) formatter and transmitter for DOLBY AC-3, MPEG audio bit stream, or audio PCM. s Dedicated hardware for emulation and test, IEEE 1149.1 (JTAG). s 3.3V power supply, I/O’s 5V tolerant, 0.35 µM HCMOS6 technology. s 160 pin PQFP package APPLICATIONS s Digital video disc (DVD) player s Digital TV (DBS/DVB) receiver s PC multimedia s Consumer digital audio Interrupt controller Clocks and timers I2C Host interface 2 Input serial interface IEC-958 (S/PDIF) output 16K Program memory 3 Output serial interface D950 DSP core 24K Data memory DMA controller Emulation unit and TAP Bus switch unit |
Аналогичный номер детали - ST18-AU1 |
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Аналогичное описание - ST18-AU1 |
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