flash programming question

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flash programming question

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kmh48301
Contributor IV

Hi

I am using s32k144 now.

Please Check this situation is bad for flash memory or not.

==========================================

1. D-Flash is in erased state now.

2. Program Phrase the D-Flash base(address is 0x1000_0000) as "0xff_ff_ff_ff__ff_ff_ff_aa"

3. Then Program Phrase the right next of D-Flash base(address is 0x1000_0001)

as "0xff_ff_ff_ff__ff_ff_ff_aa". (same)

So the result of D-Flash : 0xff.......ff(all 1) and aa_aa" (last 2 bytes are only aa)

==========================================

Is this possible? Does this behavior overstress the flash?

I know 0->0 transition is bad for flash.

But 1->1 program... is it okay?

 

 

Thanks

Best regards,

Phillip

 

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