Digi NS9750 - Manual (Page 313)

w w w . d i g i e m b e d d e d . c o m 2 8 9
S y s t e m C o n t r o l M o d u l e
Interrupt Status Active
Address: A090 0168
The Interrupt Status Active register shows the current interrupt request.
Register bit assignment
Bits Access Mnemonic Reset Description
D31:00 R ISA 0x0 Interrupt status active
Provides the status of all active, enabled interrupt request
levels, where bit 0 is for the interrupt assigned to level 0,
bit 1 is for the interrupt assigned to level 1, and so on
through bit 31 for the interrupt assigned to level 31.
Table 180: Interrupt Status Active register
13 12 11 10 9 8 7 6 5 4 3 2 1 0 15 14
31 29 28 27 26 25 24 23 22 21 20 19 18 17 16 30
Interrupt status active (ISA)
Interrupt status active (ISA)