Dear All

 

I am using McBSP0 and MCBSP1 in my application. McBSP0 and MCBSP1 are connected to SLIC and DAA. I am using DMA channel 5(tx) and 4(rx) for MCBSP0 and DMA channel 3(tx) and 2(rx) for MCBSP1. The  CLK and Frame sinc. are input to DSP. for DMA  5 and 4 channel sync  i am using rx McBSP0 and for 2 and 3 channel McBSP1 event. but voice quality with SLIC(McBSP0) is fine but with DAA(McBSP1) is not so good. even i saw spectrum of in band DTMF at DAA side it look like too many high frequency component apart from original two frequency component.