STA331| Datasheet
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STA331
High efficiency class D codec with integrated audio processing
Data Brief
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 microless 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
STA331
SPI I2S IN1 I2S IN2 I2S IN3 ADC IN MIC BIAS SAI IN ADC IN D M A I N P U T UART SAI OUT FFXTM
Power bridge
ARM7TDMI 64K RAM ROM library D M A O U T P U T
I2S OUT PWM OUT
Audio Socket Manager Audio Socket 1
LOUT
Audio PLL
Audio Socket N I/O Manager
ROUT
GPIO(9)
I2C
XTI CKOUT
GPIO leds/buttons
November 2007
Rev 1
1/4
www.st.com 4
For further information contact your local STMicroelectronics sales office.

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