该资料包含用FPGA（EP4CE22F17型号）编写的UART通信程序，最重要的是里面含有串口波特率可调，包括一些常见的波特率。(This information includes UART communication program written by FPGA (EP4CE22F17 model), and most importantly, it contains serial port baud rate tunable, including some common baud rate