可以在运行时更改 PWM 占空比和期间

用verilog语言编写的步进电机加减速控制算法，可选择梯形曲线或S型曲线算法(Verilog language stepper motor acceleration and deceleration control algorithm, you can choose the trapezoidal curve or S-curve algorithm)

read data of type character from flash memory

说明：  华为FPGA设计全套资料，学习FPGA的朋友可以下载看看。(Huawei FPGA design a full set of materials, friends learning FPGA can download and see.)

D触发器程序，适合初学者使用和学习，Verilog hdl语言的，使用Xillinx公司的芯片。

说明：  TI公司的DAC5578驱动程序，经测试过的，CSDN资源分享(DAC5578 Driver of TI Company Tested and CSDN Resource Sharing)

使用fpga基于积分分离的pid算法进行温控的程序，经实验证明很稳定-Fpga points based on the use of separate pid process temperature control algorithm, the experiment proved to be stable

ARTIX7200T FPGA 与PC 之间进行的以太网数据通信, 通信协议采用 Ethernet UDP 通信协议。FPGA 通过 GMII 总线或 MII总线和以太网PHY 芯片通信, 再把数据通过网线发给 PC，或者把从 PC 接收的以太网数据传给 FPGA。 

基于FPGA的等精度数字频率计，包含FPGA和单片机通信程序，解释非常详细。经过调试成功。(FPGA-based Precision Digital frequency meter, including FPGA and MCU communication program, explained in great detail. After successful commissioning.)

bayer to rgb, module Bayer2RGB(          input       MainClk,     input       nRST,          input       iVsync,     input       iHref,     input[9:0]  iPixelData,  &nbs

包括Cyclone II EP2C20 原理图.CycloneII开发板原理图fpga.EP1C3T144 FPGA develop board manual.EP1C6Q240C6开发板原理图.EP2C8开发板原理图.EPM1270F256C5 MAX_II_board_schematics.SF-EP1V2+FPGA开发板原理图.XC3S400红色飓风开发板原理图.红色飓风II代开发板原理图2.(Including the Cyclone II EP2C20 schematic . CycloneII development board schematics fpga.EP1C3T144FPGA develop board manual.EP1C6Q240C6 development board schematic . EP2C8development board schematics . EPM1270F256C5MAX_II_board_schematics.SF-EP1V2+FPGA development board schematic . XC3S400red hurricane development board schematics. Red hurricane II development board schematic diagram2)