Source Stop

When the Source Stop bit is set (SSTP = 1) and the DMAnSCNT register reloads, the DMA clears the SIRQEN bit to stop receiving new start interrupt request signals and sets the DMAnSCNTIF flag. Refer to the figure below for more details.

Figure 1. GPR-GPR Transactions with Hardware Triggers, SSTP = 1
  1. 1.SR - Source Read
  2. 2.DW - Destination Write