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Other Legacy MCU

pae_4063061
New Contributor

we are seeing that memory region from 0x16FFFF to 0x17FFFF not erasble, not seeing with old chips

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HongyanW_86
Moderator
Moderator

Hello,

Here is the link of CY91520 Chip Errata:

https://www.cypress.com/documentation/errata/chip-errata-cy91520-series-32-bit-fr81s-microcontroller

To analysis the issue, still I would like to suggest you use our Flash MCU Programmer to check if you have the erase issue in our tool?

And how many boards with the new MB91F526LSB devices do you have? If all of them have the same erase issue?

For further analysis, please kindly get in touch with Cypress local sales team or distributors to get local help.

Best regards,

Amy Wang

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