USART Device Driver
[Serial communication devices.]

Detailed Description

Universal synchronous/asynchronous receiver/transmitter device driver.

The USART device driver implements buffered, interrupt controlled serial communication. In opposite to the AVR UART Device Driver it supports software and hardware handshake, 9-bit communication, half duplex and synchronous operation.

The driver's code is devided into a general part and a hardware dependant part, which simplifies porting it to different USART chips. The AVR USART Devices provide support for the ATmega128/103 on-chip USARTs.


 AVR USART Devices
 AVR USART hardware dependant implementation.

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