System-on-chip processing secured contents and mobile device comprising the same

A mobile device according to the present invention includes a working memory which includes a memory region which is divided into a secure region and a non-secure region, and a system-on-chip which accesses and processes contents stored in the secure region. The system-on-chip includes a processing unit which is driven with a secure operating system or a non-secure operating system, at least one hardware block which reads and processes the content according to the control of the processing unit and is set with different secure attributes for a master and a slave, at least one memory management unit which additionally limits the access of the hardware block to the working memory, and an access control unit which sets the secure attributes of a slave port and a master port or access authority for each region of the working memory.