This baud rate speed, for the transmit and receive, must be at the same baud rate. Baud rate is an important thing for UART communication and it is used to measure the speed of data transfer in bits per second (bps). When the receiving UART device detects a start bit, it starts to read the incoming bits at a specific frequency known as the baud rate. Two UART devices receive and transmit data at the same frequency. Now, as we know what UART is, it is important to know the associated parameters of the UART. Continuing with our Nuvoton Microcontroller Tutorial, in this article, we will learn how to perform serial communication using the N76E003 microcontroller. The advantage of UART is it only requires two wires to transmit data between devices. If someone needs to receive or transmit data serially, UART is always the simplest and common option. There are different types of communication protocols available in the microcontroller, however, UART is the most used one among the other communication protocols like SPI and I2C. A microcontroller needs to receive data, process it, and send it to the other devices. UART stands for Universal Asynchronous Receiver/Transmitter and it is a useful hardware feature in any microcontroller unit.
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