15.5.2 Status

Name:	STATUS
Offset:	0x01
Reset:	0x00
Property:	-


Bit	7	6	5	4	3	2	1	0
	NMIEX						LVL1EX	LVL0EX
Access	R						R	R
Reset	0						0	0

Bit 7 – NMIEX Non-Maskable Interrupt Executing

This flag is set if a non-maskable interrupt is executing. The flag is cleared when returning (RETI) from the interrupt handler.

Bit 1 – LVL1EX Level 1 Interrupt Executing

This flag is set when a priority level 1 interrupt is executing, or when the interrupt handler has been interrupted by an NMI. The flag is cleared when returning (RETI) from the interrupt handler.

Bit 0 – LVL0EX Level 0 Interrupt Executing

This flag is set when a priority level 0 interrupt is executing, or when the interrupt handler has been interrupted by a priority level 1 interrupt or an NMI. The flag is cleared when returning (RETI) from the interrupt handler.