Altera USB声卡

小波变换的VHDL代码，内带正变换逆变换的测试文件。(Wavelet transform VHDL code, with a positive transformation within the inverse transform of the test file.)

离散余弦变换及反离散余弦变换的HDL代码及测试文件。包括VHDL及Verilog版本。可用途JPEG及MEPG压缩算法。-Discrete cosine transform and inverse discrete cosine transform of the HDL code and test files. Including VHDL and Verilog versions. And MEPG can use JPEG compression algorithm.

说明：  此代码是由FPGA产生SPWM波的代码，简单易懂(use FPGA to generate SPWM)

设计一个模块，从一个窜行数据流里检测出码流“11100”，这个模块包括reset,clk,datain及输出端pmatch-design a module from a trip data flow channeling Lane detected bitstream "11100", this module includes reset, clk, datain and output pmatch

SoC-Wishbone System IP核的VHDL语言源代码，需要的开发环境是QUARTUS II 6.0。(SoC-Wishbone System IP core VHDL language source code, the need for the development environment is QUARTUS II 6.0.)

Altera DE2 上使用 vhdl 语言设计 RS232 控制器。这是一个串口模块可用于嵌入系统。

NAND型闪存接口程序 里面包含了datasheet以及测试程序 (NAND flash memory interface program)

vhdl经典实例――信号灯控制，入门者必须掌握-vhdl classic example-- to control lights, beginners must master

数字跑表 该跑表具有启动、复位、暂停、暂停后继续计时等功能 能显示的秒计数时间精确到小数点后第二位，即能显示**.**s 按钮设置防抖-Digital stopwatch in the stopwatch with start, reset, suspend, suspended after the time and other functions can show the seconds counting time accurate to the second place after the decimal point, that can show**.** s Anti-Shake button settings

VHDL_COUNTING 0_9_LED 7 段 (ĐẾM 0 ĐẾN 9 HIỂN THỊ LED 7 ĐOẠN BẰNG NGÔN NGỮ VHDL)