Datasheet

SAM9G45 [DATASHEET]
Atmel-6438O-ATARM-SAM9G45-Datasheet_08-Dec-15
576
32.6.3 Interrupt
The USART interrupt line is connected on one of the internal sources of the Advanced Inter-rupt Controller. Using
the USART interrupt requires the AIC to be programmed first. Note that it is not recommended to use the USART
interrupt line in edge sensitive mode.
Table 32-4. Peripheral IDs
Instance ID
USART0 7
USART1 8
USART2 9
USART3 10