Texas Instruments TMS320C28x - Interrupt Handling Information by Mode and State

Execution Control Modes
7-13Emulation Features
Table 7−3. Interrupt Handling Information By Mode and State
Mode State If This Interrupt Occurs ... The Interrupt Is ...
Stop Debug-halt RS Not serviced
NMI Not serviced
Maskable interrupt Latched in IFR but not serviced
Single-instruction RS If running: Serviced
If stepping: Not serviced
NMI If running: Serviced
If stepping: Not serviced
Maskable interrupt If running: Serviced
If stepping: Latched in IFR but
not serviced
Run RS Serviced
NMI Serviced
Maskable interrupt Serviced
Real-time Debug-halt RS Serviced
NMI Serviced
Maskable interrupt If time-critical: Serviced.
If not time-critical: Latched in IFR
but not serviced
Single-instruction RS If running: Serviced
If stepping: Not serviced
NMI If running: Serviced
If stepping: Not serviced
Maskable interrupt If running: Serviced
If stepping: Latched in IFR but
not serviced
Run RS Serviced
NMI Serviced
Maskable interrupt Serviced