Application of the Serial Large Capacity Memory MM36SB020

Serial flash memory is favored by electronic engineers for small volume,large capacity,low power consumption,low cost and inability.This paper introduces MEGAWIN company's large capacity serial flash memory MM36SB020,described it's characteristics,structure,instruction set.Specific introduced hardware and software design method of MM36SB020 in microcomputer system combined with the 863 national projects "insulation-pressure gas hydrate coring drill",And through the In-depth study of it's "Busy state" method of judgment,The problem is solved that MM36SB020's state register mistakes due to outside interference,greatly improved reliability of MM36SB020 in practical application.