altera DE1 SD_CARD带写入一个扇区功能的程序，已确认成功，下载直接运行就可以看效果...

说明：  8位大小比较器的VHDL源代码，Magnitude Comparator VHDL description of a 4-bit magnitude comparator with expansion inputs(eight compared with the size of the VHDL source code, Magnitude Comparator VHDL description of a 4-bit magnitude comparator inputs with expansion)

一个cpu的vhdl语言程序。非常好的 一个cpu的vhdl语言程序。非常好的-A cpu of the VHDL language program. A very good cpu the VHDL language program. Very good

说明：  之前一直找不到自学编写了一个，PID案例，分享下(I have been unable to find a self-taught, compiled a PID case, share under)

vhdl N-0.5分频方法设计，可以输入任意数值N，即分得到N－0.5的频率。-vhdl N- 0.5-frequency method, we can input arbitrary numerical N, namely, to be N- 0.5 frequencies.

ALTERA Cyclone1C20 Nios开发板，protel99格式-ALTERA Cyclone1C20 Nios，protel99

USB接口控制器参考设计，xilinx提供的VHDL源代码-USB interface controller reference design for Xilinx VHDL source code

计算机组成原理的CPU实验，基于quartus平台(CPU experiment of computer organization principle, based on quartus platform)

Implementation of CORDIC atan block in VHDL

通过正弦波和三角波的比较产生SPWM波形(Through the comparison of sine wave and triangle wave produces SPWM waveform)

这是个UART发送的VHDL程序，调试过，还可以-This is a UART to send the VHDL program, debug, and can also be