The invention is suitable for the technical field of data communication, and provides a data communication method, a data communication system and a processor among central processing units (CPUs). The method comprises the following steps that: a master control CPU receives TP-link device debug protocol (TDDP) data packet input from external, stores the TDDP data packet in a receiving linked list, reads the TDDP data packet from the receiving linked list, analyses the TDDP data packet, and tr...
