[quote user="supreeth anil"]If an arduino UNO hardware with same setup could easily transmit data without any delays why not Tiva [/quote] Do understand that the problem is not in the Tiva! It is in the middle device which converts the UART messages to an USB virtual serial port! DID you probe the UART lines on the pad as I suggested earlier? My theory is still that if you wait a bit further until you start to transmit messages, the issue will disappear. You are powering up both the Tiva AND the converter at the same time, and start sending bytes before the converter is ready to do its job. Bruno
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