See, you called it “asynchronous serial protocol” there. But one can certainly think of asynchronous serial protocols that are outside those bounds. The Wikipe

See, you called it “asynchronous serial protocol” there. But one can certainly think of asynchronous serial protocols that are outside those bounds. The Wikipedia article [0] calls this category “asynchronous start-stop signaling” but has no source. I guess the best term is “UART protocol”, despite the limited size of the “universe”, since it’s really just a de facto convention established by decades of chips called “UARTs”. [0] https://en.wikipedia.org/wiki/Asynchronous_serial_communication https://en.wikipedia.org/wiki/Asynchronous_serial_communicat...