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參數(shù)資料
| 型號： | STA331 |
| 廠商： | 意法半導體 |
| 元件分類： | Codec |
| 英文描述： | High efficiency class D codec with integrated audio processing |
| 中文描述： | 高效率D類音頻編解碼器集成處理 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 128K |
| 代理商： | STA331 |
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
■
■
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)
High efficiency class D FFX
TM
technology.
– 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
FFX
TM
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
www.st.com
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