SBOS891B October 2018 – April 2021 TMP144
The TMP144 uses a TI proprietary, one-wire UART-compatible communication protocol called SMAART Wire™. The TMP144 has two dedicated pins for communication:TX and RX. Usually, these two pins are connected internally and the signal on the RX propagates to the TX, unless the device must send data on the bus or during address assignment and alert procedures.
The interface has built-in timeouts (typically 28 ms) that return the interface to a known state if communication is disrupted.