CHAPTER 17 INTERRUPT/EXCEPTION PROCESSING FUNCTIONUser’s Manual U16896EJ2V0UD 53917.2.3 NP flagThe NP flag is a status flag that indicates that non-maskable interrupt servicing is in progress. This flag is set whena non-maskable interrupt request has been acknowledged, and masks all non-maskable requests to prevent multipleinterrupts.0 NP EP ID SAT CY OV S ZPSWNo non-maskable interrupt servicingNon-maskable interrupt serving in progressNP01NMI servicing statusAfter reset: 00000020H