USART Exported Constants

Modules
	Clear Flags Defines
	Flags defines which can be used with LL_USART_WriteReg function.
	Get Flags Defines
	Flags defines which can be used with LL_USART_ReadReg function.
	IT Defines
	IT defines which can be used with LL_USART_ReadReg and LL_USART_WriteReg functions.
	Communication Direction
	Parity Control
	Wakeup
	Datawidth
	Oversampling
	Clock Signal
	Last Clock Pulse
	Clock Phase
	Clock Polarity
	Stop Bits
	TX RX Pins Swap
	RX Pin Active Level Inversion
	TX Pin Active Level Inversion
	Binary Data Inversion
	Bit Order
	Autobaud Detection
	Address Length Detection
	Hardware Control
	Wakeup Activation
	IrDA Power
	LIN Break Detection Length
	Driver Enable Polarity
	DMA Register Data