INTERFACE CIRCUIT OF CARD TYPE MEMORY, ASIC (APPLICATION SPECIFIED IC) MOUNTED WITH ITS CIRCUIT AND IMAGE FORMING APPARATUS MOUNTED WITH ITS ASIC

摘要

PROBLEM TO BE SOLVED: To provide an interface circuit of a card type memory capable of immediately accessing the card type memory after starting the system without requiring interface initialization by a CPU (software).;SOLUTION: An SD (square digital) card interface 19 being an interface of an SD card that requires access in a sector unit and is provided in an insertable and ejectable way is provided with a function for initializing an AD controller, a function for initializing the AD card 7 and a function for acquiring the status of the SD card 7.;COPYRIGHT: (C)2004,JPO