Asynchronous circuit (clockless or self-timed circuit): Lecture 12 : 157–186 is a sequential digital logic circuit that does not use a global clock circuit
Control UART—UniversalAsynchronousReceiver/Transmitter UAT—User Acceptance Testing UB—Undefined Behavior UCS—Universal Character Set UDDI—Universal Description
microcontroller. A universalasynchronousreceiver-transmitter (UART) can also be used. Specific 1-Wire driver and bridge chips are available. Universal Serial Bus