Casio Fx 570 Ad Manual Espaol here. UART Communication with UART Stands for Universal Asynchronous Transmitter Receiver. The function of UART is conversion parallel data (8 bit) to serial data.

UART transmit bytes of data sequentially one bit at a time from source and receive the byte of data at the destination by decoding sequential data with control bits. As the entire processes require no clock input from source hence it is termed as asynchronous communication. Baud Rate In the UART communication data transmission speed is measured by Baud Rate. Baud rate describes the total number of bit sent through serial communication.

It includes Start bit, Data byte, Parity bit and Stop bit. Transmitter and receiver need to be maintained in the baud rate. For example transmit data at the baud rate of 9600 and at the receiving end PC need to be set with same baud rate using HyperTerminal or TeraTerminal. Packet of Data in Serial Communication Start Data 0 Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Parity Stop Serial Communication consist of 2 lines Transmitter and Receiver pin. Fig 1:Connection between FPGA and PC Serial data communicate on FPGA side range in 0 to 3.3v.