Noun
UART (plural UARTs)
(electronics) Initialism of universal asynchronous receiver transmitter.
Both the computer hardware and software interface of the 16550 are backward compatible with the earlier 8250 UART and 16450 UART. Source: Internet
Each modem has a UART interface (TTL compatible). Source: Internet
Good for when you need lots of GPIO pins, more than one UART port, more memory for your program, or a much faster processor. Source: Internet
The UP Core's high-speed expansion connector includes pins for UART, SPI, 2 x USB HSIC, PCI-Express, GPIO, Intel Sensors Hub, SDIO and 5V Power. Source: Internet
For its output, it merely inverts the signal (VCC->GND, GND->VCC) so you must be using a newer UART that will tolerate this. Source: Internet
If the UART is configured for parity, an extra bit will be added to the frame to indicate if the contents of the data bits sum to an even or odd value. Source: Internet