Patent 7779194 was granted and assigned to Texas Instruments on August, 2010 by the United States Patent and Trademark Office.
The present invention relates to a microcontroller including a central processing unit, at least one memory, a bus coupling the storage location to the central processing unit, and a data modification module for modifying data in the at least one memory. The data modification module includes a first interface being coupled to the bus for transferring data to the at least one memory over the bus, and a second interface being adapted to be coupled to an external device for receiving the data, wherein the data modification module is adapted to operate as a bus master and to transfer data received from the external device over the bus to the at least one memory.