EEPROM Erase time

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jingfang
Contributor IV

I am using S12zvl 128ms, It is taking 5.04ms to erase one sector (4 Bytes) on EEPROM.

If I want to erase 64 bytes, how long will it take me?

Is it 64/4*5ms?

Is there another way to speed things up?

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danielmartynek
NXP TechSupport
NXP TechSupport

Hello @jingfang,

There is only the specification that can be found in the RM, Table E-2.

The execution time depends on f_NVMOP and f_NVMBUS (footnotes 1-4).

4.80ms is then the minimum for 4B sector.

And ~((64 / 4) * 4.8ms) for 64 bytes.

 

BR, Daniel 

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danielmartynek
NXP TechSupport
NXP TechSupport

Hello @jingfang,

There is only the specification that can be found in the RM, Table E-2.

The execution time depends on f_NVMOP and f_NVMBUS (footnotes 1-4).

4.80ms is then the minimum for 4B sector.

And ~((64 / 4) * 4.8ms) for 64 bytes.

 

BR, Daniel 

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