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STA015T Datasheet(PDF) 1 Page - STMicroelectronics |
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STA015T Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 56 page 1/56 STA015 April 2010 SINGLE CHIP MPEG2 LAYER 3 DECODER SUPPORTING: – All features specified for Layer III in ISO/IEC 11172-3 (MPEG 1 Audio) – All features specified for Layer III in ISO/IEC 13818-3.2 (MPEG 2 Audio) – Lower sampling frequencies syntax exten- sion, (not specified by ISO) called MPEG 2.5 DECODES LAYER III STEREO CHANNELS, DUAL CHANNEL, SINGLE CHANNEL (MONO) SUPPORTING ALL THE MPEG 1 & 2 SAMPLING FREQUENCIES AND THE EXTENSION TO MPEG 2.5: 48, 44.1, 32, 24, 22.05, 16, 12, 11. 025, 8 KHz ACCEPTS MPEG 2.5 LAYER III ELEMENTARY COMPRESSED BITSTREAM WITH DATA RATE FROM 8 Kbit/s UP TO 320 Kbit/s ADPCM CODEC CAPABILITIES: – sample frequency from 8 kHz to 32 kHz – sample size from 8 bits to 32 bits – encoding algorithm: DVI, ITU-G726 pack (G723-24, G721,G723-40) – Tone control and fast-forward capability EASY PROGRAMMABLE GPSO INTERFACE FOR ENCODED DATA UP TO 5Mbit/s (TQFP44 & LFBGA 64) DIGITAL VOLUME CONTROL DIGITAL BASS & TREBLE CONTROL BYPASS MODE FOR EXTERNAL AUDIO SOURCE SERIAL BITSTREAM INPUT INTERFACE EASY PROGRAMMABLE ADC INPUT INTERFACE ANCILLARY DATA EXTRACTION VIA I2C INTERFACE. SERIAL PCM OUTPUT INTERFACE (I2S AND OTHER FORMATS) PLL FOR INTERNAL CLOCK AND FOR OUTPUT PCM CLOCK GENERATION CRC CHECK AND SYNCHRONISATION ERROR DETECTION WITH SOFTWARE INDICATORS I2C CONTROL BUS LOW POWER 2.4V CMOS TECHNOLOGY WIDE RANGE OF EXTERNAL CRYSTALS FREQUENCIES SUPPORTED APPLICATIONS PC SOUND CARDS MULTIMEDIA PLAYERS VOICE RECORDERS DESCRIPTION The STA015 is a fully integrated high flexibility MPEG Layer III Audio Decoder, capable of decod- ing Layer III compressed elementary streams, as specified in MPEG 1 and MPEG 2 ISO standards. The device decodes also elementary streams compressed by using low sampling rates, as spec- ified by MPEG 2.5. STA015 receives the input data through a Serial input Interface. The decoded signal is a stereo, mono, or dual channel digital output that can be sent directly to a D/A converter, by the PCM Output Interface. This interface is software programmable to adapt the STA015 digital output to the most common DACs architectures used on the market. The func- tional STA015 chip partitioning is described in Fig.1a and Fig.1b. ORDERING NUMBER: STA015$ (SO28) STA015T$ (TQFP44) STA015B$ (LFBGA 8x8) SO28 TQFP44 LFBGA64 MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM CAPABILITY Obsolete Product(s) - Obsolete Product(s) |
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