What is Controller Area Network (CAN)?
Controller Area Network (CAN), as its name implies, is the network established among microcontrollers. It is a two-wire high-speed network system which was firstly established to overcome the problems (wire harness, communication) faced in automobiles. CAN can be theoretically linked up to 2032 devices (assuming one node with one identifier) on a single network. However due to the practical limitation of the hardware (transceiver), it can link up to 110 nodes (with 82C250, Philips) on a single network. CAN offers high-speed communication up to 1 Mbits/sec, thus allowing real-time control. In addition, the Error Confinement and the error detection features make it more reliable in noise critical environments.
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- What is Controller Area Network (CAN)?