CC2640R2F-Q1: CC2640R2F Flash aging Characteristics

Hi Paddu,

There is no additional documentation describing this specifically for the CC26xx devices. Write erase time will increase with cycles, and as with any flash device it is recommended to limit the amount of such operations throughout the products lifetime.

Cheers,
Fredrik

Hi Fredrik,

Thank you.

What could be the worst case(MAX) time it would take in its lifetime?
I believe there should be some data or testing done before mentioning it in the datasheet.

Other TI MCU's like MSP430/C2000 don't have such statements in the datasheets.
Usually they mention MIN and MAX values, but CC26xx only has TYP value and the above statement.

In our application Flash will be updated through bootloader(UART) from an external MCU,
and we want this data to calculte the wait time required for the total Erase/program of the new program.

Best Regards
paddu

Hi Fredrik,

Any updates on this question?

Hi Paddu,

There is no additional data on this parameter.

How many SW updates are you expecting throughout the lifetime of your product?

Cheers,
Fredrik

Hi Fredrik,

Thank you for the information.

I don't think there will me too much SW updates,
may be around 500 to 1000 updates throughout the lifetime.

As I mentioned above in this application Flash will be updated through
bootloader(UART) from an external MCU, so we need this data to calculte
the maximum wait time required for the total Erase/program of the new program.

Any rough/approximate value would be fine.

Best Regards
paddu

Hi Fredrik,

Actually there is some detail in the CC1310 E2E about flash aging,
it seems the erase time will remain relatively unchanged until 100k cycles.
e2e.ti.com/.../545936

Does it apply to CC26xx also?

Meanwhile could you please let me know if there is any way to find out
the time CC26xx is consuming to erase or program?

Best Regards
paddu