A semiconductor device includes a transfer section which receives, from an external source, a second program for modifying a function of a first program stored in a read-only memory (ROM) and information required in activation of the second program, and which writes the program and the information to...http://www.google.es/patents/US7898862?utm_source=gb-gplus-sharePatente US7898862 - Memory card, semiconductor device, and method of controlling memory card
Memory card, semiconductor device, and method of controlling memory card
