用VHDL写的计算器，实现加减功能以及ＶＧＡ显示功能，适合VHDL初学者使用。...

上传的是基于Xilinx的新出的开发板Zedboard的一个简单的知道文档，希望对有关同学有所帮助。(Uploaded a simple know the document based on Xilinx' s new development board Zedboard the hope that some of the students to help.)

文件名：ADC0809.vhd功能：基于VHDL语言，实现对ADC0809简单控制说明：ADC0809没有内部时钟，需外接10KHz~1290Hz的时钟号，这里由FPGA的系统时钟（50MHz）经256分频得到clk1（195KHz）作为ADC0809转换工作时钟。-File name: ADC0809.vhd features: Based on the VHDL language, easy to control implementation of the ADC0809 Description: ADC0809 internal clock does not need external 10KHz ~ 1290Hz clock number, here by the FPGA system clock (50MHz) frequency by 256 points to be clk1 (195KHz ) as the conversion ADC0809 clock job.

完整的GMSK调制及维特比译码，程序中包括了高斯滤波器的设计，调制相位的计算，并采用了维特比译码算法解调出原始码元，最后计算了其误码率。(Complete GMSK modulation and Viterbi decoding, the program includes a Gaussian filter design, the calculation of the phase modulation, and uses the Viterbi algorithm demodulates the source element, the final calculation of the bit error rate.)

SED1330/1335/1336/E1330液晶显示控制器及51汇编源程序.液晶显示程序,显示图形及汉字.-SED1330/1335/1336/E1330 LCD controller and the source of 51 Series procedures. LCD procedures, and show pictures of Chinese characters.

FIR滤波器：自定滤波器的类型（低通，高通或带通）、设计指标（通带截止频率、通带波纹、阻带截止频率、阻带衰减） 1、根据指标选择合适的窗函数，用窗口设计法设计符合指标的FIR滤波器；并验证其性能是否满足预定指标。 (FIR filters: Custom filter types (low pass, high pass or band-pass), design specifications (passband cutoff frequency, passband ripple, stopband cutoff frequency, stopband attenuation) 1, according to indicators choose the right window function, using the window design method of FIR filter designed to meet the targets and verify that its performance meets the set targets.)

对与单片机常用的功能看门狗，本程序用vhdl硬件语言实现次功能。-Commonly used with single-chip watchdog function, the procedures for using VHDL hardware language functions realize times.

GW48系统电子琴：可控制8个音节，4种音调 readme中带使用说明-GW48 system : control eight syllables, four species of taking the pitch readme use

说明：  一个编码解码系统，其中包含一个信号发生器（用查找表方式实现）、一个m序列生成器（用来编码和解码用）、一个FiFo队列用来做缓存以及用串口方式进行收发读取数据。(An encoding and decoding system, which includes a signal generator (implemented by look-up table), an m-sequence generator (used for encoding and decoding), a FIFO queue for caching, and a serial port for receiving, transmitting and reading data.)

verilog实现DLX指令集5段流水线(5 stage DLX pipeline implemented in verilog)

说明：  经典的OV5642的verilog驱动程序(Verilog Driver of Classic OV5642)