用FPGA实现了RS232异步串行通信，所用语言是VHDL，另外本人还有Verilog的欢迎交流学习，根据RS232 异步串行通信来的帧格式，在FPGA发送模块中采用的每一帧格式为：1位开始位+8位数据位+1位奇校验位+1位停止位，波特率为2400。由设置的波特率可以算出分频系数，具体算法为分频系数X=CLK/(BOUND*2)。-Using FPGA to achieve the RS232 asynchronous serial communication, the language used is VHDL, In addition, I also welcome the exchange of learning Verilog, according to RS232 asynchronous serial communication to the fr a me format, in the FPGA module used to send each fr a me format : the beginning of a bit+ 8-bit data bit+ 1 bit odd parity bit+ 1 bit stop bit, baud rate for 2400. By setting the baud rate can be calculated at the frequency coefficient, the specific algorithm for the sub-frequency coefficient X = CLK/(BOUND* 2).
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