STA015B datasheet(1/55 Pages) STMICROELECTRONICS

部件名	STA015B

功能描述	MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM CAPABILITY

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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STA015

STA015B STA015T

March 2004

■ 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 I

2C

INTERFACE.

■ SERIAL PCM OUTPUT INTERFACE (I

2S 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

类似零件编号 - STA015B

制造商	部件名	数据表	功能描述
STMicroelectronics	STA015B	277Kb / 44P	MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM CAPABILITY Feb-2000
STMicroelectronics	STA015B	1Mb / 56P	MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM CAPABILITY 26-Apr-2010

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