Universal Asynchronous Receiver / Transmitter is abbreviated as UART. The UART is actually used between slow and fast peripheral devices. For instance: Printer and Computer or between LCD and controller. As a result of this reason, UART is principally employed for short distance, low speed and reasonably priced. The projected model illustrates UART utilizing the UART realization technique using FIFO with the assistance of the VHDL description language. The UART is just a protocol that's used to transmit records or information in serial formation, which will be in serial communication approach. A distinctive computer chip referred to as a universal asynchronous transmitter of the receiver acts as an edge involving the parallel bus communication of the computer and the serial transmission of the serial port. In today's UART delve into work; it is designed for 8, 16, 32, 64,128 bits. All drawings are simulated with the Xilinx ISE tool. Finally, all projects are implemented in numerous FPGA board families.