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flash erase on MPC5510

Question asked by petitbeurre on May 15, 2013

Hi all,


I am a bit confused about some point on the MPC5510 Reference Manual, about flash erase. In section 22.5.5 (Flash Erase, chapter Flash Array and Control), step 3 indicates : "Write any address in flash. This is referred to as an erase interlock write".

I do not understand what an "erase interlock write" is, and what its purpose is. Also, I've noted that if I omit this step, the erase seems to work just as fine.


Could someone enlighten me please?