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McBSP as UART

Basavaraj Hiremath
Intellectual 795 points

Hello,

 

I am using McBSP2 as UART on DSK6416 using the application note spra633. Since I need to transmit based on certain decisions, I am using EDMA_enable and EDMA_disable to control the transmission. It seems to work but sometimes I get zeros or wrong bytes on the PC. Sometimes the UART transmits extra byte of zero. Is there any known issue with McBSP as UART on DSK6416? Are there any other ways to transmit at will instead of using enabling and disabling EDMA channel? 

My baud rate is 115200 and I am using CLK DIV value of 135 in McBSP configuration. 

 

Thanks in advance,

Basu