STA331

STA331 www.datasheet4u.com 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. Description STi1000 1 www.datasheet4u.com Description The STA331 device is a high-efficiency audio codec with an integrated ARM7TDMI® core capable of running audio processing algorithms up to 75 MHz. The...