Key Features 

Highly integrated SOC 

State-of-the-art Digital Signal Processor(DSP) with on-chip RAM, and ROM 

 2 ADC (Analog to Digital Converter) 

-92dB THD+N (0dB gain path) 

98dB SNR (0dB gain path) 

2 DAC (Digital to Analog Converter) 

-90dB THD+N (0dB gain path) 

101dB SNR (0dB gain path) 

 Differential I/O on all analog output connections 

 2 analog boost pre-amplifiers (+20/24/30/35/40/44/50/52dB) 

MIC input to ADC with 50dB Boost, SNR>66dBA, THD+N < -65dB 

 2 stereo digital microphone interface (4-channel digital mic inputs) 

 IIC Master/Slave control interface 

2 24-bit, 8KHz ~ 192KHz, IIS/PCM/TDM digital data interface 

 SPI control interface (up to 28MHz clock rate) 

 Built-in PLL supports highly flexible clocking input 

 Can operate as co-processor or as standalone processor 

High performance

Advanced algorithms for acoustic echo cancellation and noise reduction 

 Robust full-duplex for in-vehicle hands-free voice communication 

Preserves voice naturalness and effective in automotive environment 

 Wideband (HD Voice) and narrowband voice processingsupport 

Bright Voice Enhancement (BVE) for downlink listening improvement 

Dynamic Range Control (DRC) for range control 

Equalization (EQL) on uplink and downlink voice paths 

Line in and Line out signal path Automatic Gain Control (AGC) 

 Configurable processing modules for flexibility and performance 

Non-invasive run-time performance tuning via SPI port 

Run time switching between processing mode and various by-pass modes 

User-selectable between1/2/3/4 microphone inputs for single or multiple microphone input voice processing 

P.1100/P.1110 standards compliance testings 

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