Hi Joseph, I have tried with the Source code for "CAN_External_Transmit" and "CAN_Loopback" with single and 2 MCU boards by creating the CAN bus through DB9 connector, but the outputs obtained are as below: 1) At CAN RX terminal I am getting 3.3 volts whereas 2) At CAN TX terminal I am getting 0 volts. I want to check whether on application of a pulsating input at CAN terminals, pulsating output is obtained at CAN BUS terminals. Is it possible with Blinking LED program. Please suggest for proper testing in CAN Communication in single and between 2 MCU boards. Regards Sumanta
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