Patent ID: 9189397
Filing Date: 2015-11-17
Classification: G06F

Abstract:
1. A data storage device comprising: a data storage medium; a micro control unit (MCU) connected to a host through a first interface method and configured to control the data storage medium in response to a request of the host; a buffer memory connected to the host through a second interface method, the buffer memory connected to the MCU and controlled by the MCU and the host; a first connector configured to directly connect the MCU and the host, and indirectly connect the host and the buffer memory according to the first interface method; and a second connector configured to directly connect the buffer memory and the host, and indirectly connect the host and MCU according to the second interface method, wherein the first and second connectors are separate; and wherein the buffer memory stores management information of firmware driven by the MCU through the second interface method, and the second interface method includes transmitting the management information from the host to the buffer memory under control of the host without intervention of the MCU.