Set blank check start address
in registers FSARH and FSARL
Set blank check end address
in registers FEARH and FEARL
FCR register = 83h
FSTATR1.FRDY flag = 1?
No
Yes
FCR register = 00h
FSTATR1.FRDY flag = 0?
No
Yes
FSTATR0.ILGLERR flag = 1 or
FSTATR0.BCERR flag = 1?
Yes
No
FRESETR.FRESET bit = 1
FRESETR.FRESET bit = 0
End in E2 DataFlash P/E mode
Sequencer
initialization
FASR.EXS bit = 0
Start in E2 DataFlash P/E mode