Development of CAN-based high-speed communication module for automotive engine electronic control unit

As a kind of excellent field bus,CAN bus is widely used in automotive electronic control system.A CAN-based high-speed communication adapter module for automotive engine electronic control unitwas presented.Hardware structure and flow chartofsoftware were introduced.Hardware test show that the system can monitor various parameters of engine speedily in real time and the functions of detecting and controlling can be realized in the system by modifying some of important parameters.Experiment show that the system has the advantage of higher transfer rate and better reliability.It could find a wide way in future automotive application.