代理C-MEDIA骅讯 CM7104 音频DSP CODEC系统

　　Features

　　► Audio DSP (Tensilica Hi Fi EP)

　　Up to 300MHz DSP for audio/voice processing

　　Up to 768KByte internal memory

　　Scparate power control for inbound/outbound DMA

　　Scparate power control for intemal RAM bank

　　► Parametric 10 bands equalizer (EQ) for playback path

　　► Advanced DRC with multi-section compressor function for playback/recording path

　　► Sound detection wake up technology (VAD)

　　► Wind noise reduction filter

　　► 2 24bit/8kHz ~ 192kHz I2S/PCM/TDMdigital interface

　　► Digital asynchronous sampling rate converter (ASRC) function

　　► One PDMinterface for external PDM Class-D amplifier

　　► 2 stereo digital microphone interface

　　► SPI control interface (Up to 28MHz clock rate)

　　► 12C master/slave control interface

　　► Haptic generator function

　　► Sidetone generator function

　　► 2 mono differential/singled-ended line output

　　-90dB THD+N(0dB gain path)

　　100dBA SNR (0dB gain path)

　　► 2 mono singled-ended line input

　　-95dB THD+N (0dB gain path)

　　102dBA SNR (0dBgain path)

　　► 2 analog boost pre-amplifiers (+20/24/30/35/40/44/50/52dB) and I low noise microphone bias

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

　　► Intemal PLL can receive wide range clock input

　　► One adjustable MICBIAS (0.9*MICVDD or 0.75*MICVDD)

　　► LQFP-48 (7mm x 7mm) package