MULTI-PORT MEMORY DEVICE COMMUNICATING WITH A PLURALITY OF PROCESSORS IN A SERIAL INTERFACE MODE AND IN A PARALLEL INTERFACE MODE, COMMUNICATION SYSTEM HAVING THE SAME, AND METHOD OF COMMUNICATING IN THE SYSTEM

摘要

This communication is possible communication system and the communication method is started in a different manner to the interface between the multi-port memory device and the processor. Communication system includes a first processor, second processor and the multi-port memory device. Multi-port memory device generates a second internal clock signal having a first internal clock signal and the second frequency having a first frequency based on the external clock signal. Multi-port memory device is in communication with the second processor and the serial interface mode in synchronization with the first processor and the parallel communication interface to the mode, and the second internal clock signal in synchronization with the first internal clock signal. Thus, the multi-port memory device constituting the communication system can reduce the number of pins can lower the manufacturing cost. ; Multi-port memory device, a mobile communication system, a serial interface,