32.6.4 DMA, Interrupts and Events

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

(request cleared when data is written)

Yes N/A
Receive Complete (RXC) Yes

(request cleared when data is read)

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