Figure 5-7 Pre-Emption Flowchart - ARM Cortex-M3 Technical Reference Manual

Exceptions
5.14.2 Pre-emption
5.14.3 Return
5-34
Figure 5-7 shows what happens when an exception pre-empts the current ISR.
Figure 5-8 on page 5-35 shows how the processor restores the stacked ISR or tail-chains
to a late-arriving interrupt with higher priority than the stacked ISR.
Copyright © 2005, 2006 ARM Limited. All rights reserved.

Figure 5-7 Pre-emption flowchart

ARM DDI 0337B