Patent ID: 6771979
Filing Date: 2004-08-03
Classification: G06F,G11C

Abstract:
A mobile telephone comprising:a controller; a first semiconductor memory which is random accessible and said controller can access; a second semiconductor memory which is connected to said first semiconductor memory and includes a flash memory; and a memory-controller provided between said second semiconductor memory and said controller to connect said second semiconductor memory and said controller and to control said first semiconductor memory and said second semiconductor memory based on a control instruction sent from said controller, wherein said second semiconductor memory has a sector data structure including a plurality of sectors and storing a content in a sector unit, and said memory-controller controls said first semiconductor memory and said second semiconductor memory based on said control instruction sent from said controller, to execute a transfer processing of transferring a predetermined content stored in a predetermined one of said sectors to said first semiconductor memory and storing said predetermined content in said first semiconductor memory.