基于fpga和xinlinx ise的usb端口vhdl程序，希望对你有所帮助！

用VHDL编写的JK触发器  用VHDL编写的JK触发器 用VHDL编写的JK触发器

利用Cadence Allegro PCB SI进行SI仿真分析(Performed using the Cadence Allegro PCB SI SI simulation analysis)

实现arm与fpga之间通过gpmc总线通信(the device of fpga)

ＶＨＤＬ语言的一些经典实例源代码，包括状态机，时序电路，组合逻辑电路等(Some classic examples of VHDL language source code, including the state machine, sequential circuits, combinational logic circuits)

说明：  用VHDL语言设计一个校验器，用for loop实现8位数据的偶校验，(With a for loop to achieve 8-bit data parity)

使用CycloneIV芯片，实现对高精度ADCad9226的数据采集。内有详细代码说明，并附有调试结果(Use CycloneIV, to achieve high-precision data acquisition ADCad9226. Along with debugging results)

说明：  LDPC码的BP译码verliong程序(BP decoding veriong program of LDPC code)

Xilinx fpga 设计培训中文教程,比较好的学习FPGA入门的教程(Xilinx fpga design training for Chinese curricula, better start learning FPGA Tutorial)

niosII的ip核的实现原理讲解，讲解的非常详细。(niosII ip nuclear realization of the principle of explanation, to explain in great detail.)

usb 硬件实现 请大家多多指教-usb hardware realize the exhibitions please everyone