Serial communication devices.
[Device Driver API., Hardware Layout.]

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Detailed Description

Drivers for serial communication.

Nut/OS currently supports two types of devices for serial communication:

• AVR UART devices, the AVR on-chip UARTs.
• SPI UART devices, additional AVR chips used with add-on boards.

Modules
	AVR UART Device Driver
	Device driver for ATmega On-Chip UART.
	ATmega On-Chip UART Devices
	UART Device Structures.
	USART Device Driver
	Universal synchronous/asynchronous receiver/transmitter device driver.
	AVR USART Devices
	AVR USART hardware dependant implementation.
	AVR UART Debug Device Driver
	Debug output driver for ATmega On-Chip UART.
	UART0 Debug Devices
	UART0 debug device structure.
	SPI UART Device Driver
	Serial communication device driver.
	SPI UART Device
	UART I/O Control Functions
	UART Status

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