Vehicle data transmission method, system-on-chip and vehicle

The invention relates to a vehicle data transmission method, a system-on-chip and a vehicle, and is applied to the system-on-chip, the system-on-chip is provided with a first core, the first core is in heterogeneous communication connection with a second core, and the first security level of the first core is smaller than the second security level of the second core; the method comprises the following steps: the second core subscribes to vehicle data and performs vehicle data transmission with the first core under the environment of the second security level; and the first core transmits the vehicle data between the vehicle-mounted Ethernet and the second core under the environment of the first security level. The safety of vehicle-mounted data transmission of the vehicle can be improved, so that the safety of the vehicle is improved. 本公开涉及的一种车辆数据传输方法、系统级芯片及车辆，应用于系统级芯片，所述系统级芯片部署有第一核心，所述第一核心与第二核心异构通讯连接，所述第一核心的第一安全等级小于所述第二核心的第二安全等级；所述方法包括：所述第二核心在所述第二安全等级的环境下，订阅车辆数据以及与所述第一核心进行车辆数据传输；所述第一核心在所述第一安全等级的环境下，将所述车辆数据在车