STA331 datasheet(1/4 Pages) STMICROELECTRONICS

No de pièce	STA331

Description	High efficiency class D codec with integrated audio processing

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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Data Brief

For further information contact your local STMicroelectronics sales office.

November 2007

Rev 1

1/4

4

STA331

High efficiency class D codec with integrated audio processing

Features

■ High efficiency class D FFXTM technology.

■ Stereo ADC input with integrated microphone

bias

■ Digital/analog I/O muxing and down-mixing

capability

■ Low power architecture

■ I/O supply voltage range: 1.8 V to 3.6 V

■ Programmable GPIO functionalities for micro-

less operation

■ Audio processing libraries:

– tones, WideSurround, StereoEnhancer

– intelligent volume control (MDCR)

– enhanced listening modes (voice, midnight

modes)

– MP3 and WMA decoders (ROM option

only)

– Noise Reduction and Echo Cancellation

(NREC)

– Loudspeaker and cabinet compensation

EQ

– Third parties audio effects

■ Package: LQFP100.

Applications

■ Flat panel TV

■ Home audio stereo

■ Cradle systems

■ Soundbar systems (2.1ch)

■ Loudspeaker compensation

Serial

Flash

SPI

UART

ADC

IN

Audio

PLL

D

M

A

I

N

P

U

T

D

M

A

O

U

T

P

U

T

STA331

ARM7TDMI

64K RAM

ROM

library

Audio Socket Manager

Audio Socket 1

Audio Socket N

I/O Manager

GPIO(9)

I2C

SAI

OUT

FFXTM

Power

bridge

XTI CKOUT

GPIO leds/buttons

SAI

IN

I2S IN1

I2S IN2

I2S IN3

ADC IN

MIC BIAS

I2S OUT

PWM OUT

LOUT

ROUT

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