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| SAM4L Datasheet, PDF (572/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU | |||
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ATSAM4L4/L2
24.5.2 Clocks
24.5.3 Interrupts
The clock for the USART bus interface (CLK_USART) is generated by the Power Manager. It is
recommended to disable the USART before disabling the clock, to avoid freezing the USART in
an undefined state.
The USART interrupt request line is connected to the NVIC. Using the USART interrupt requires
the NVIC to be programmed first.
42023CâSAMâ02/2013
572
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