We are currently developing a secure device and I like to use ZMK.
Even all the security violations, locks are disabled and SSM is "Non-Secure" state, still I can't write to ZMK. All read attempts return zero.
Only the LP Status Register "Power Supply Glitch Detected" flag is set and I can't clear it. Do that prevents to write ZMK ?
Please Advice.
PS: I can't find any document about how to blow fuses in Vybrid.
Dear NG Sari,
Please, take a look at the Unable to write ZMK (ZMK_WSL=1) threead.
You may find even more information here if you use the search engine - just type <ZMK> in the "Search" window in the upper right corner of the web page.
Regards, Naoum Gitnik.