CAN is a multi-master broadcast serial bus standard for connecting electronic control unit (ECU).
Controller–area network (CAN or CAN-bus) is a vehicle bus standard designed to allow micro controllers a devices to communicate with each other within a vehicle without a host computer.
CAN is a message-based protocol, designed specifically for automotive applications but now also used in other areas such as industrial automation and medical equipment.
The Controller Area Network (CAN) bus is a serial asynchronous bus used in instrumentation applications for industries such as automobiles.