Advanced Energy Industries, Inc.
UART TRANSMISSIONS WITH TWO START BITS FOR AUTOMATIC BAUD DETECTION AND REDUCED CLOCK SKEW

Abstract:

This disclosure describes systems, methods, and apparatus for automatically determining an asynchronous serial data transmission rate at the hardware level of UART devices. The UARTs may transmit a bit sequence comprising two start bits to ensure that the receiving device can accurately measure a period of a first start bit and use this period to set a sampling rate of the data bits.