OUTLINE
The Controller Area Network (CAN) is a serial data communication network for real-time application. It is a multiplex communication network to be equipped in a vehicle, and has communication speeds of 500 kbps (HS-CAN) and the ability to detect malfunctions.
HS-CAN consists of a V bus and local bus.
The communication wire used is a twisted-pair wire. The bus line has a high line (2.5 V to 3.5 V is applied) and a low line (1.5 V to 2.5 V is applied).