32.6.4 DMA, Interrupts and Events

Table 32-5. Module Request for SERCOM USART
ConditionRequest
DMA Interrupt Event
Data Register Empty (DRE)Yes

(request cleared when data is written)

YesN/A
Receive Complete (RXC)Yes

(request cleared when data is read)

Yes
Transmit Complete (TXC)N/AYes
Receive Start (RXS)N/AYes
Clear to Send Input Change (CTSIC)N/AYes
Receive Break (RXBRK)N/AYes
Error (ERROR)N/AYes