CHAPTER 17 INTERRUPT/EXCEPTION PROCESSING FUNCTION
17.2.3 NP flag
The NP flag is a status flag that indicates that non-maskable interrupt servicing is in progress. This flag is set when
a non-maskable interrupt request has been acknowledged, and masks all non-maskable requests to prevent multiple
interrupts.
After reset: 00000020H
PSW
NP
0
1
0
No non-maskable interrupt servicing
Non-maskable interrupt serving in progress
User's Manual U16896EJ2V0UD
NP EP
ID SAT CY OV
NMI servicing status
S
Z
539