基于FT245RL和FPGA的USB接口设计

Design Method of USB Interface Based on FT245RL and FPGA

研究了基于FT245RL和FPGA的USB接口设计方法,介绍了USB通信芯片FT245RL的工作原理及使用方法,设计了FT245RL与FPGA之间硬件电路的连接,给出了FPGA中VHDL的语言描述方法,并介绍了PC机软件的设计方法。实验结果表明,该通信方式数据传输快速稳定,可靠性高。

The design method of USB interface based on FT245RL and FPGA is studied in this paper. The working principle and usage of USB communication chip FT245RL is introduced in details. The circuit of FT245RL and FPGA is designed. The method of VHDL language description in FPGA is given and the design method of software is introduced. The experiment testifies that this system has the features of high - performance,stable and safe.