sta014t STMicroelectronics, sta014t Datasheet

sta014t

Manufacturer Part Number

sta014t

Description

Mpeg 2.5 Layer Iii Audio Decoder With Adpcm And Srs Wowo Postprocessing Capability

Manufacturer

STMicroelectronics

Datasheet

1.STA014T.pdf (45 pages)

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This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

(1)

July 2000

in order to enable SRS WOW algorithm a mandatory configuration file is required.

SINGLE CHIP MPEG2 LAYER 3 DECODER

SUPPORTING:

- All features specified for Layer III in ISO/IEC

- Lower sampling frequencies syntax extension,

DECODES LAYER III STEREO CHANNELS,

DUAL

(MONO)

SUPPORTING ALL THE MPEG 1 & 2 SAM-

PLING FREQUENCIES AND THE EXTEN-

SION TO MPEG 2.5:

48, 44.1, 32, 24, 22.05, 16, 12, 11. 025, 8 KHz

ACCEPTS MPEG 2.5 LAYER III ELEMEN-

TARY 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,

- Tone control and fast-forward capability

SRS WOW

AS POSTPROCESSING. SUPPORT FOR

DIFFERENT SPEAKERS TYPES:

- headphone

- medium

- large

WOW

INDIPENDENTLY ADJUSTED

EASY PROGRAMMABLE GPSO INTERFACE

FOR ENCODED DATA UP TO 5Mbit/s

(TQFP44 & LFBGA 64)

DIGITAL VOLUME

BASS & TREBLE CONTROL

SERIAL BITSTREAM INPUT INTERFACE

EASY PROGRAMMABLE ADC INPUT INTERFACE

ANCILLARY DATA EXTRACTION VIA I2C IN-

TERFACE.

SERIAL PCM OUTPUT INTERFACE (I

AND OTHER FORMATS)

11172-3 (MPEG 1 Audio)

13818-3.2 (MPEG 2 Audio)

(not specified by ISO) called MPEG 2.5

ITU-G726 pack (G723-24, G721,G723-40)

MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM AND

(1)

TRUEBASS AND FOCUS CAN BE

CHANNEL,

(1)

TECHNOLOGY CAN BE USED

The Device incorporates the SRS

WOW

cence from SRS Labs, Inc.

SRS WOW POSTPROCESSING CAPABILITY

SINGLE

Technology

CHANNEL

under

STA014 STA014B STA014T

li-

APPLICATIONS

DESCRIPTION

The STA014 is a fully integrated high flexibility

MPEG Layer III Audio Decoder, capable of de-

coding Layer III compressed elementary streams,

as specified in MPEG 1 and MPEG 2 ISO stand-

ards. The device decodes also elementary streams

compressed by using low sampling rates, as speci-

fied by MPEG 2.5. STA014 receives the input data

through a Serial Input Interface. The decoded sig-

nal 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 STA014 digital output

to the most common DACs architectures used on

the market. The functional STA014 chip partitioning

is described in Fig.1a and Fig.1b.

PUT PCM CLOCK GENERATION

ROR DETECTION WITH SOFTWARE INDI-

CATORS

FREQUENCIES SUPPORTED

PLL FOR INTERNAL CLOCK AND FOR OUT-

CRC CHECK AND SYNCHRONISATION ER-

LOW POWER 2.4V CMOS TECHNOLOGY

WIDE RANGE OF EXTERNAL CRYSTALS

PC SOUND CARDS

MULTIMEDIA PLAYERS

VOICE RECORDERS

C CONTROL BUS

ORDERING NUMBERS: STA014 (SO28)

STA014T (TQFP44)

STA014B (LFBGA 64)

PRODUCT PREVIEW

1/45

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