user4664: Can the ATTINYx5 use its universal serial interface for a better UART than the Sofware Serial library alone? If so, is there a library or tutorial for this?

user368: AVR307 describes implementation of a half duplex UART implementation using the USI. Note that full duplex is not possible due to the synchronous design of the USI.

4664: <p>Can the ATTINYx5 use its universal serial interface for a better UART than the Sofware Serial library alone? If so, is there a library or tutorial for this?</p>
 368: <p><a href="http://www.atmel.com/Images/doc4300.pdf" rel="nofollow">AVR307</a> describes implementation of a half duplex UART implementation using the USI. Note that full duplex is not possible due to the synchronous design of the USI.</p>
