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led
- 用一个按钮开关循环控制四个led灯的闪烁方式，输入时钟10MHz，闪烁频率1Hz-Button switch with a four cycle control lights flashing led the way, the input clock 10MHz, blinking frequency of 1Hz
clk
- 通过一个主时钟信号完成异步FIFO读写时钟信号的产生。编译通过实现功能。-Through a master clock signal the completion of asynchronous FIFO read and write clock signal generation. Compiler through the implementation function.
clock
- vhdl 电子钟 计时 上下午 整点报时-VHDL Electronics afternoon bell time on the whole point timekeeping
AIC
- 使用FPGA/CPLD设置语音AD、DA转换芯片AIC23，FPGA/CPLD系统时钟为24.576MHz 1、AIC系统时钟为12.288MHz，SPI时钟为6.144MHz 2、AIC处于主控模式 3、input bit length 16bit output bit length 16bit MSB first 4、帧同步在96KHz-The use of FPGA/CPLD set voice AD, DA conversion chip AIC23, FPGA/
sysfp
- 完成从SDH telecom bus的38Mhz*4系统时钟和复帧提取出SDH的telecom bus的C1j1,spe,au指针 ，H4位置等SDH帧结构-SDH telecom bus from 38Mhz* 4 the system clock and rehabilitation SDH frame to extract the telecom bus of C1j1, spe, au pointer, H4 location SDH frame structure
barrel_shifter
- VHDL实现的桶型移位器，能在一个时钟周期实现对数据的（0－12位）算术右移-VHDL implementation of a barrel—shifter, able to achieve at one clock cycle of data (0-12 bit) Arithmetic Shift Right
TLC549
- TLC548和TLC549是以8位开关电容逐次逼近A/D转换器为基础而构造的CMOS A/D转换器。它们设 计成能通过3态数据输出和模拟输入与微处理器或外围设备串行接口。TLC548和TLC549仅用输入/输出时 钟（I/O CLOCK） 和芯片选择（CS） 输入作数据控制。TLC548的最高I/O CLOCK输入频率为2.048MHz， 而TLC549的I/O CLOCK输入频率最高可达1.1MHz。 有关与大多数通用微处理器接口的详细资料已由工厂 准备好，可供使用。-TLC5
DES_IP
- 有效的改进3-DES算法的执行速度，采用了多级流水线技术，设计了一种高速的硬件结构，使得原来需要48个时钟周期才能完成的运算，现在只需要一个时钟周期就可以完成。另外通过增加输入/输出的控制信号。使得该IP可以方便的集成到SOC中，大大缩短了SOC的设计周期。-Effective 3-DES algorithm to improve the implementation of speed, multi-stage pipeline technology, designed a high-speed
LVDS_DDR_List_FPGA2
- FPGA芯片与ADI公司的AD9779之间的通信，总共有四个通道，68对LVDS,采样时钟是122.88MHz-FPGA chips ADI' s AD9779 and communication between, a total of four channels, 68 pairs of LVDS, the sampling clock is 122.88MHz
clock
- vhdl实现时钟和闹钟功能，此外还可以显示星期几，闹钟可以设置闹铃时间和报时。-implementation vhdl alarm clock and also can show a few weeks, you can set the alarm time and alarm time.
CLK_DIV
- 爱用硬件描述语言VHDL实现输入时钟10分频输出-divide CLOCK by 10 using VHDL
asynFifo
- 异步fifo在IC设计中，非常重要；是异步时钟域同步方法-Asynchronous fifo in IC design, is very important are asynchronous clock domain synchronization
fpga.fifo
- 异步FIFO是用来适配不同时钟域之间的相位差和频率飘移的重要模块。本文设计的异步FIFO采用了格雷（GRAY）变换技术和双端口RAM实现了不同时钟域之间的数据无损传输。该结构利用了GRAY变换的特点，使得整个系统可靠性高和抗干扰能力强，系统可以工作在读写时钟频率漂移达到正负300PPM的恶劣环境。并且由于采用了模块化结构，使得系统具有良好的可扩充性。-Asynchronous FIFO is an important module which always used to absorb the
ADC0809VHDL
- 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 Descr ipt
shizhong
- 数字钟的VHDL源程序，可以实现校时，校分等功能，并在试验箱上运行成功-The VHDL source code digital clock, you can achieve at school, school grade features, and success in the chamber is running on
spi_op_core
- SPI协议的Verilog编程，包括时钟的产生模块，控制模块等-Verilog programming SPI protocol, including the selection of the clock module, control module, etc.
zhushaoyong
- 设计并制作一个14键单音电子琴预先存入一些曲谱电路在4Hz的时钟控制下自动播放 通过220V电源适配器给电路提供工作电源-Design and production of a 14-key electric piano tone into a number of music scores advance in 4Hz clock circuit under the control of automatic play through 220V power adapter to provide
Time
- 24小时时钟设计程序，含有时，分，秒的电路设计，基于VHDL语言，用Quartus 2程序实现。-24-hour clock design process, with hour, minute, second circuit design, based on the VHDL language, using Quartus 2 program.
clock
- 60进制计数器，采用十分简便的方法，能够很快速的完成计数功能。-60 M-ary counter, using a very simple way to very quickly complete the count function.
e3
- 4位可逆计数器：将50MHz的时钟进行 分频后的结果作为时钟控制，根据输入进行条件判断，再通过设置一个四位的向量将结果输出，利用数码管显示在实验板上-CNTR 4: will be conducted at 50MHz clock frequency as the clock after the control conditions to determine the basis of inputs, and then set up a four through the results of th