CMX7262

CML Microcircuits COMMUNICATION SEMICONDUCTORS CMX7262 TWELP Vocoder D/7262_FI-1.x/4 August 2013 DATASHEET Advance Information 7262 FI-1.x Professional Radio Vocoder Features  High-performance, low bit rate vocoder using TWELP (Tri-wave Excited Linear Prediction) technology  Crystal clear voice and excellent performance in real-life radio operation  Excellent performance providing naturalsounding speech and high quality non-voiced signals such as emergency services sirens  Half-duplex operation  FEC built in to each vocoder frame  Noise Reduction  Integral voiceband audio codec (No external DSP or codecs required)  C-BUS host serial interface o Streaming input and output registers to streamline transfers and relax host service latency  Signal routing: o Choice of input sources – C-BUS transfer from host, analogue audio input o Choice of output sources – C-BUS transfer to host, analogue audio output  Auxiliary functions o GPIOs o Two differential audio outputs o Single-ended speaker output o Analogue input/output gain adjustment o Analogue input multiplexer o Analogue output multiplexer  Low power 3.3V operation with powersave functions  Small 64-pin VQFN package Applications  Half duplex digital radio systems  Personal area network voice links  Secure digital voice communications  Secure door access  Wireless PBX  VoIP applications  Digital Software Defined Radio (SDR) Analogue In Analogue Out GPIOs ADC DAC Digital Filters FIFO TWELP Vocoder D...