Hi, The pins 84 and 85 are connected to the FTDI chip that does the USB-UART conversion. Also, make sure to include the predefined symbol _LAUNCHXL_F28379D in your CCS project. This is required since the oscillators available in Launchpads and Controlcards are different and the default example is configured for controlcard. This may affect the baudrate configuration Regards, Veena
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