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STMicroelectronics - High efficiency class D codec

Numéro de référence STA331
Description High efficiency class D codec
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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STA331 fiche technique
STA331
Highwww.datasheet4u.com 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 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
I2S IN1
I2S IN2
I2S IN3
ADC IN
MIC BIAS
SAI
IN
ADC
IN
Audio
PLL
SPI UART
ARM7TDMI
D 64K RAM ROM
M library
A
Audio Socket Manager
I
N Audio Socket 1
P
U
T Audio Socket N
I/O Manager
D
M
A
O
U
T
P
U
T
STA331
SAI
OUT
FFXTM
Power
bridge
I2S OUT
PWM OUT
LOUT
ROUT
GPIO(9)
I2C
XTI CKOUT
GPIO leds/buttons
November 2007
Rev 1
For further information contact your local STMicroelectronics sales office.
1/4
www.st.com
4

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