Multifunctional railway carriage bus equipment and microprocessor

The invention provides multifunctional vehicle bus equipment which comprises a microprocessor and a memory, a multifunctional vehicle bus subsystem, a power supply circuit as well as a reset circuit which are connected with the microprocessor. The microprocessor comprises a main central processing unit and an intensified time processor. The main central processing unit is used for responding to interrupting and operating a train communication protocol stack. The intensified time processor is used for controlling the train operation. The invention also provides a microprocessor which is applied to the multifunctional vehicle bus equipment. As the central processing unit and the intensified time processor are integrated by the microprocessor, the multifunctional vehicle bus equipment has the advantages of small volume and convenient installation as well as application.