16-Bit Mono Audio Voice Codec, Mono 30mW BTL Headphone Amplifier, Dual Differential Microphone Inputs with AGC, 8KHz-48kHz, Digital Audio/I2C

USB Audio Decoder AAC/WMA/WMP3 Contain USB Host, SD Card I/F, Audio DAC (not supported ipod)

Echo Audio Processor equipped with ADC,DAC High Sampling Frequency ,Internal Memory of 44K Internal VCO, Low Distortion less than 0.5%

Audio Scrambler and Sub-Audio Signalling Processor with Auxiliary System Clock, ADC, DAC for Use in Analogue Radio Systems.

TCP/IP STACK CHIP LQFP VER.4 Support TCP/IP,HTTP,PPP,DNS,Interface to GPRS Phone,Modem

24-bit Stereo Audio Codec with Speaker Driver Including Headphone/Line Driver, SNR 89dB (DAC/ ADC), Integrated DSP, On-chip PLL, PCM/I2S