USART in One-Wire Mode
This is an application note describing how to use one-wire communication with the updated USART peripheral in the tinyAVR 0- and 1-series and megaAVR 0-series. This technique can be particularly useful for low power application where communication is needed. Since this method uses lesser number of pins on the device, it can reduce the application footprint.
USART half-duplex, USART open-drain, one-wire USART, low power USART, limited pin USART, Dallas one-wire protocol, half duplex serial communication