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Analog Discovery 2 CAN Protocol Feature


mike_

Question

Hello, 

I see that there is a CAN feature under the protocol function in WaveForms software. Based on the available settings, it would suggest that the DIO wires should be connected directly to the Tx and Rx pins of the CAN device rather than the CAN HI and CAN LO of the transceiver. I have a use case in which I would want to test CAN communication on a device without the need to have a transceiver in place. The CAN protocol does allow for direct connection without a transceiver and the AD2 looks like it could do this.

Can anyone please provide some detailed examples on how this should be connected (showing all needed connections including GND with any additional hardware if needed)?

Is this a "listen only" implementation, or will the AD2 generate the necessary protocol bits (acknowledge, overload, active error etc) when receiving a message?

Any information would be greatly appreciated. 

Mike

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