Download CMX7261 Multi-transcoder
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CMX7261 Voice Multi-transcoder 6.2 CMX7261 Signal Interfaces In half duplex mode the transcoder output can be sent to one, any two, or all of the three possible output ports – C-BUS (for transfer to host controller), PCM (for transfer to external DAC) or analogue audio output. In full duplex mode a single output must be selected. The input to the transcoder must come from one of the three input ports – C-BUS (input data from the host controller), PCM (from the external ADC) or analogue audio input. Internal ADC DAC Balanced/Single-ended Audio Ouput DAC AUDIO FILTER Transcoder Output AUDIO FILTER TRANSCODER ADC Transcoder Input Balanced/Single-ended Audio Input Audio_Out FIFO External ADC Control Audio_In FIFO C-BUS Interface Host µC External DAC Figure 14 CMX7261 Inputs and Outputs 2012 CML Microsystems Plc Page 22 D/7261_FI-1.x/9