DATA PROCESSING AND STORAGE DEVICE

摘要

The invention proposes a data processing and storage device. The said data processing and storage device comprises a main controller, a main memory, a security unit (SE) and at least one universal port, wherein, the said data processing and storage device further comprises the first additional port, the said security unit (SE) can directly interact with the external devices by the said first additional port to complete the data processing and accessing. The security unit of the said data processing and storage device disclosed in the invention can work independently without the impact of whether the main memory is reading or writing the data or not, and support the Single-Wire protocol (SWP).