Re: what is the use of delimiters in Control Area Network (C
ACK:
CAN is a multimaster bus protocol and each and every message is broadcast over the bus. If there is a receiver for the message, only that will ACK the messagee (at time of ACK bit), otherwise the sender will know that its message was not received by any node.
CRC
CRC is the checksum for the CAN message to make sure that the bits are propagated properly on the bus and received correctly on the receiver end.