Patent ID: 8051264

Claim:
A portable terminal, comprising: a memory unit, being equipped with at least two ports, and having a common storage block comprising one or more sub partitioned blocks partitioned depending on a type of data to be written; a main processor, being coupled to a first port of the memory unit through an MP-ME bus; and an application processor, being coupled to the main processor through a host interface, being coupled to a second port of the memory unit through an AP-ME bus, and performing a corresponding processing of data written in a sub partitioned block according to a control command received from the main processor through the host interface, wherein the common storage block is assigned to be accessible one of the main processor and the application processor having an access privilege, and a processing operation according to the type of the data to be written in the sub partitioned block is predetermined, wherein the main processor transmits a bank address of the sub partitioned block, where the data is written, as the control command to the application processor, immediately before or after writing the data in the sub partitioned block.