Abort Trigger, Message Complete

The AIRQEN needs to be set in order for the DMA to sample abort interrupt sources. When an abort interrupt is received, the SIRQEN bit is cleared and the AIRQEN bit is cleared to avoid receiving further abort triggers.

Figure 1. Abort at the End of Message
Notes:
  1. 1.SR - Source Read
  2. 2.DW - Destination Write