https://docs.amd.com/r/2024.1-English/ug1629-microblaze-v-user-guide/Non-Maskable-Interrupt?contentId=vqCvXRynjq56_PSAN2IzSQ
Non-Maskable Interrupt - Non-Maskable Interrupt - 2024.1 English - UG1629
A non-maskable interrupt is performed by asserting the external non-maskable break signal (that is, the Ext_NM_BRK input port). On a break, the instruction in...
non maskable interruptenglish