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DESCRIPTION

The STA013 is a fully integrated high flexibility MPEG Layer III Audio Decoder, capable of decoding 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 specified by MPEG 2.5.

■ 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 extension,

(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

■ DIGITAL VOLUME CONTROL

■ DIGITAL BASS & TREBLE CONTROL

■ SERIAL BITSTREAM 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

■ LOW POWER CONSUMPTION:

85mW AT 2.4V

■ CRC CHECK AND SYNCHRONISATION ERROR DETECTION

WITH SOFTWARE INDICATORS

■ I2C CONTROL BUS

■ LOW POWER 3.3V CMOS TECHNOLOGY

■ 10 MHz, 14.31818 MHz, OR 14.7456 MHz

EXTERNAL INPUT CLOCK OR BUILT-IN INDUSTRY STANDARD

XTAL OSCILLATOR DIFFERENT FREQUENCIES MAY BE

SUPPORTED UPON REQUEST TO STM

APPLICATIONS

■ PC SOUND CARDS

■ MULTIMEDIA PLAYERS