EtherCAT (Ethernet Control Automation Technology) bus clock distribution system

The utility model discloses an EtherCAT (Ethernet Control Automation Technology) bus clock distribution system. The system comprises a main device, a bus, a first data receiving device, a second datareceiving device, a third data receiving device, an auxiliary circuit, a first data processing device, a second data processing device, a third data processing device and an EtherCAT slave station. Wherein the main equipment is sequentially connected with the data receiving equipment I, the data receiving equipment II and the data receiving equipment III through the bus, the data receiving equipment I is connected with the auxiliary circuit, the data processing equipment II is connected with the auxiliary circuit, and the data processing equipment III is connected with the auxiliary circuit. The beneficial effects are that a clock can be selected by software, clock resources of a clock signal can be selected by the software, a clock mechanism can become an ultra-low consumption single-chipmicrocomputer, and freque