FM25Q64ꢀ
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11.2.20ꢀEraseꢀ/ꢀProgramꢀResumeꢀ(7Ah)ꢀ
TheꢀErase/ProgramꢀResumeꢀinstructionꢀ“7Ah”ꢀmustꢀbeꢀwrittenꢀtoꢀresumeꢀtheꢀSectorꢀorꢀBlockꢀEraseꢀ
operationꢀ orꢀ theꢀ Pageꢀ Programꢀ operationꢀ afterꢀ anꢀ Erase/Programꢀ Suspend.ꢀ Theꢀ Resumeꢀ ꢀ
instructionꢀ “7Ah”ꢀwillꢀbeꢀacceptedꢀbyꢀtheꢀdeviceꢀonlyꢀifꢀtheꢀSUSꢀbitꢀinꢀtheꢀStatusꢀRegisterꢀequalsꢀtoꢀ
1ꢀandꢀtheꢀBUSYꢀbitꢀequalsꢀtoꢀ0.ꢀAfterꢀissuedꢀtheꢀSUSꢀbitꢀwillꢀbeꢀclearedꢀfromꢀ1ꢀtoꢀ0ꢀimmediately,ꢀ
theꢀBUSYꢀbitꢀwillꢀbeꢀsetꢀfromꢀ0ꢀtoꢀ1ꢀwithinꢀ200nsꢀandꢀtheꢀSectorꢀorꢀBlockꢀwillꢀcompleteꢀtheꢀ ꢀ eraseꢀ ꢀ
operationꢀorꢀtheꢀpageꢀwillꢀcompleteꢀtheꢀprogramꢀoperation.ꢀIfꢀtheꢀSUSꢀbitꢀequalsꢀtoꢀ0ꢀorꢀtheꢀ ꢀ BUSYꢀ ꢀ
bitꢀequalsꢀtoꢀ1,ꢀtheꢀResumeꢀinstructionꢀ“7Ah”ꢀwillꢀ beꢀignoredꢀbyꢀtheꢀdevice.ꢀTheꢀErase/Programꢀ ꢀ
Resumeꢀinstructionꢀsequenceꢀisꢀshownꢀinꢀfigureꢀ20.ꢀ ꢀ
ResumeꢀinstructionꢀisꢀignoredꢀifꢀtheꢀpreviousꢀErase/ProgramꢀSuspendꢀoperationꢀwasꢀ ꢀ interruptedꢀ ꢀ
byꢀunexpectedꢀpowerꢀoff.ꢀItꢀisꢀalsoꢀrequiredꢀthatꢀaꢀsubsequentꢀErase/ProgramꢀSuspendꢀinstructionꢀ
notꢀtoꢀbeꢀissuedꢀwithinꢀaꢀminimumꢀofꢀtimeꢀofꢀ“tꢀSUSꢀ”ꢀfollowingꢀaꢀpreviousꢀResumeꢀinstruction.ꢀ
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Figureꢀ20.ꢀEraseꢀ/ꢀProgramꢀResumeꢀinstructionꢀSequenceꢀ
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preliminary(Aug.18.2010)ꢀ ꢀ ꢀ ꢀ
37ꢀ
FIDELIX [ FIDELIX ]
