STA331 Datasheet, PDF (1/4 Pages) STMicroelectronics – High efficiency class D codec with integrated audio processing

STA331
High efficiency class D codec with integrated audio processing
Data Brief
Features
■ High efficiency class D FFX^TM 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
SPI
UART
SAI
ARM7TDMI
IN
ADC
IN
D 64K RAM ^ROM
M
library
A
D
M
A
Audio
PLL
I
N
P
U
T
Audio Socket Manager
Audio Socket 1
Audio Socket N
O
U
T
P
U
T
I/O Manager
STA331
SAI
OUT
FFX^TM
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.
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www.st.com
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