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FAQs MAX32550: FAQ

FAQs
MAX

MAX32550: FAQ

Created over 8 years ago
Updated 2 months ago

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Can I change the settings on the MAX32550 magnetic stripe reader (MSR)?

It is not recommended to change the default magnetic card reader (MCR) configuration settings unless absolutely necessary. Contact your FAE for instructions on how to change the magnetic head settings…
Can secure micros secure bootloaders perform encrypted firmware updates?

Yes, the ROM code proposes the applet mechanism that allows to add extra processing to the downloaded data. This added process can be the handling of the encrypted data.
Do all secure micros have a secure bootloader?

Yes, they have one, stored in ROM. This secure bootloader can not circumvented and always starts at reset. They used digital signature for secure update and secure boot.
Does the MAX32550 magnetic stripe reader support LoopPay?

Yes, the MAX32550 magnetic stripe reader supports LoopPay when using the latest software development kit (SDK).
How can I be informed about any new documents or SDK updates for the secure micros?

A secure micros newsletter email is distributed periodically to subscribers. Ask your FAE and provide him/her an email address to be added to the list.
How can I program my secure update public key for the secure micros?

A procedure has been defined. You'll need to generate a PGP keypair for secure and trusted emails exchange. Ask your FAE about this procedure.
How do I get the datasheet and user guide for the secure micros?

You have to sign an NDA and then, once signed, ask your FAE for these documents.
How do I get the errata sheet for the for one of the secure micros?

You have to sign an NDA and then, once signed, ask your FAE for the errata sheet.
How do I get the SDK for the secure micros?

You have to sign an NDA and then, once signed, ask your FAE for this software.
What can secure micros secure bootloaders applets mechanism be used for?

The applet mechanism can be seen as dynamically adding features to the ROM secure bootloader. These features can be encryption management, tests execution, external memories (NAND, QSPI flash) trusted…