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[VHDL-FPGA-Verilog] EMCRTL

Description: RTL Code for Design of Extarnal Memory Controller for Accessing Asynchronous SRAM of size 512Kx16
Platform: | Size: 5120 | Author: Embedded_techie | Hits:

[Other] Bufor

Description: Circular buffer using a cyclone memory ( Quartus II and VHDL .)-Circular buffer using a cyclone memory ( Quartus II and VHDL .)
Platform: | Size: 515072 | Author: Kozinio | Hits:

[VHDL-FPGA-Verilog] ddr2_controller

Description: DDR2控制器设计原码,可以在FPGA上测试通过,并对外部的ddr memory进行读写访问.-DDR2 controller design of the original code, can be tested through the FPGA, and external ddr memory read and write access.
Platform: | Size: 52224 | Author: yanxp | Hits:

[VHDL-FPGA-Verilog] VHDL

Description: VHDL语言例程集锦，包括组合逻辑、计数器、移位寄存器、存储器等处理。-VHDL language routines Collection, including the combinational logic, counters, shift registers, memory and other processing.
Platform: | Size: 173056 | Author: liu | Hits:

[Other] FIFO

Description: fifo的实现，可以作用于memory的数据传输等地方，在fpga上实现，可以进行综合和仿真-fifo implementation, you can act on memory data transfer and other places, in the fpga to achieve, to undertake a comprehensive and Simulation
Platform: | Size: 6144 | Author: zz | Hits:

[VHDL-FPGA-Verilog] usb_fpga_1_2_latest.tar

Description: USB2.0的FPGA内核，使其可以通过FPGA控制CY公司出品的CY7C68013USB微控制器，对USB设备进行读写操作。-• Xilinx Spartan-3 XC3S400 FPGA • High-Speed (480 MBit/s) USB interface via Mini-USB connector (B-type) • Cypress CY7C68013A/14A EZ-USB-Microcontroller • 60 General Purpose I/O s (GPIO): ◦ 52 FPGA GPIO s ◦ 8 EZ-USB FX2 GPIO s (4 if Flash option is installed)
Platform: | Size: 328704 | Author: 赵恒 | Hits:

[Software Engineering] TheResearchoftherealtimesignalprocessingofSARbased

Description: 3．完成系统的FPGA程序开发与调试，主要包括FFT，IFFT，CMUL和转置 存储控制等模块，在此基础上，重点介绍了一种基于DDR SDRAM的行写行读高 效转置存储算法，在采用该算法进行转置存储操作时，读写两端的速度相匹配， 满足流水线操作要求，提高了整个系统的实时性。最后介绍了采用CORDIC算法 实现复图像求模运算的方法，分析了算法的硬件实现结构，并给出了基于FPGA 的实现方法及仿真结果。-he FPGA s development and debugging are implemented,including FFT, IFFT, CMUL and C0ntrol of CTM．Based Oll this，Implementation of a high efficient corner turn memory arithmetic with writing and reading by row based on DDR SDRAM is introduced．When using CTM with this algorithm，me speed of reading and writing maItches and meets the requirement of pipelined operation．Finally a method of model implementation for complex image based on CORDIC algorithm is introduced．The algorithm’s hardware implementation structure is analysed, and implementation methodology and simulation results are given
Platform: | Size: 5155840 | Author: mabeibei | Hits:

[VHDL-FPGA-Verilog] FIFO

Description: vhdl code for FIFO memory with controler
Platform: | Size: 730112 | Author: Mihai | Hits:

[Embeded-SCM Develop] ElectronicLocks

Description: 电子密码锁为三位密码，由输入部分，控制部分和输出部分组成。其中输入部分包括4×4矩阵键盘、弹跳消除电路、键盘扫描电路、键盘译码电路；控制部分包括按键存储电路、密码修改电路、比较电路；输出部分主要是七段译码显示器。当输入三位正确密码时，一个L1发光二极管亮，指示门打开；当输入密码错误时，另外一个发光二极管亮，此时可以通过开锁开关（复位开关）重新输入密码。若想实现密码更改，可重新按下上锁开关设置密码，即实现密码更改功能。-Electronic locks on the three passwords, the input, the control section and output components. Enter some of which include 4 × 4 matrix keyboard, bounce elimination circuit, the keyboard scanning circuit, the keyboard decoder circuit control section includes key memory circuits, the password modify the circuit to compare the circuit output part of the main seven-segment display decoder. When you enter the correct password three, a L1 LED light to indicate the door open When you enter your password wrong, the other a light-emitting diode light, then you can unlock switch (reset switch) to re-enter the password. To achieve the password changes, press the lock switch can be re-set the password, that password change functionality to achieve.
Platform: | Size: 41984 | Author: sunnan | Hits:

[VHDL-FPGA-Verilog] led_control

Description: 本实验箱采用的液晶显示屏内置的控制器为SED1520，点阵为122×32，需要两片SED1520组成，由E1，E2分别选通，以控制显示屏的左右两半屏。图形液晶显示模块有两种连接方式，一种为直接访问方式，一种为间接访问方式。本实验采用直接控制方式。 直接控制方式就是将液晶显示模块的接口作为存储器或I/O设备直接挂在计算机总线上。计算机通过地址译码器控制E1和E2的选通；读/写操作信号R/W有地址线A1 控制，命令/数据寄存器选择信号由地址线A0控制。 -The experimental box with built-in LCD controller for the SED1520, lattice is 122 × 32, needs two SED1520 formed by the E1, E2, respectively gating to control the display of about two and a half screen. Graphic LCD module has two connections, one for the direct access method, an indirect access. In this study the direct control mode. Direct control method is to interface LCD module as memory or I/O devices directly linked to the computer bus. Computer controlled by address decoder strobe E1 and E2 read/write signal R/W control the address lines A1, command/data register select control signal from the address line A0.
Platform: | Size: 1206272 | Author: yangxiao | Hits:

[VHDL-FPGA-Verilog] plj

Description: 数字频率计 在1秒内对被测信号进行计数，并将数据送至控制器，控制器根据数据自动选档，量程分为0--10KHz 、10KHz --100KHz 、100KHz --1MHz 三档。 数据采用记忆显示方式，即计数过程中不显示数据，待计数过程结束以后，显示计数结果，并将此显示结果保持到下一次计数结束。-Digital frequency meter in 1 second count of the measured signals and data sent to the controller, the controller automatically selected according to the data file range into 0- 10KHz, 10KHz- 100KHz, 100KHz- 1MHz third gear. Data using memory display, the counting process that does not display data until after the end of the counting process, the results show that counts, and this shows the results remain to the end of the next count.
Platform: | Size: 55296 | Author: xdq | Hits:

[Embeded-SCM Develop] Micro-program

Description: 微程序控制电路是CPU 控制器的核心电路，控制产生指令执行时各部件协调工作所需的所有控制信号，以及下一条指令的地址。微程序控制器的组成如图6-12 所示，主要由三个部分组成，分别是微指令控制电路、微地址寄存器和微指令存储器lpm_rom 其中微指令控制电路用组合电路对指令中的1[7..2] 、操作台控制信号SWA 和SWB 的状态、状态寄存器的输出状态FC 、FZ ，产生微地址变化的控制信号，实现对微地址控制:微地址寄存器控制电路的基本输入信号是微指令存储器的下地址字段M[6..1] ，同时还受微指令控制电路的输出信号SE[6..1]和复位信号RST 的控制，输出下一个微指令的地址:控制存储器由FPGA 中的LPM ROM 构成，输出24 位控制信号。在24 位控制信号中，微命令信号为18 位，微地址信号豆位。在口时刻将打入微地址寄存器UA 的内容，即为下一条微指令地址.当T4时刻进行测试判别时，转移逻辑满足条件后输出的负脉冲，通过强制端将某一触发器置为"1"状态，完成地址修改。微程序控制器中的微控制代码可以通过对FPGA 中LPMß OM 的配置进行输入，通过编辑LPM ROM.mif 文件来修改微控制代码。详细情况可参考LPIÞ CROM的配置方法。微指令控制电路内部结构如图6-2 ， 6-3. 6-13 所示-Micro-program control circuit is the core CPU controller circuit, the control instruction execution produces the coordination of all parts of all the necessary control signals, and the next instruction address. The composition of micro-program controller shown in Figure 6-12, the main three components, namely, microinstruction control circuit, micro-address register and the microcode memory lpm_rom microcode control circuit which combination circuit with instruction in the 1 [ 7 .. 2], SWA and SWB console control signal state, the state register output state FC, FZ, produce changes in micro-address control signals, to realize the micro-address control: micro-address register control circuit input signal is the basic micro- The next address field instruction memory M [6 .. 1], but also by the microcode control circuit output signal SE [6 .. 1] and reset control signal RST, the output of the next microinstruction address: control memory by the FPGA in the LPM ROM form, the output 24-bit
Platform: | Size: 2584576 | Author: 623902748 | Hits:

[Software Engineering] source_code

Description: verilog code fifo memory usb
Platform: | Size: 4096 | Author: mohsen | Hits:

[VHDL-FPGA-Verilog] memtest

Description: 在数字系统中，一般存在多个芯片，利用不同的特点用于实现不同的功能，一般都包含CPU,FPGA,AD,DA,memory，ASSP（专用标准模块）,ASIC等。CPU用于进行智能控制，FPGA进行硬件算法处理和多设备接口，AD进行模数转换，DA进行数模转换，memory存储临时数据。因此，FPGA如何与其他芯片进行通讯是重要的设计内容。数据输入，数据输出，双向通讯，指令传递，地址管理，不同时钟的异步通讯问题等等都需要处理。最基本的MEMORY如SRAM(128KX8bbit静态存储器628128)涉及到其中的输入，输出，双向通讯，地址管理问题，具有很强的代表性。在同步数字系统中更大量用到FIFO,SDRAM等等。其中FIFO使用方便简单，用处很广。在QUARTUSII软件库中，就有各种FPGA片内MEMORY供使用。但是FPGA的片内MEMORY容量太有限，因此外部MEMORY也是经常需要的。因此，本程序让大家学习控制芯片内外的MEMORY,为与其他智能设备的通讯学习打下基础。-In the digital system, generally there are several chips, the use of different features used to implement different functions, generally includes CPU, FPGA, AD, DA, memory, ASSP (application specific standard module), ASIC and so on. CPU is used for intelligent control, FPGA hardware algorithm processing and multi-device interface, AD to ADC, DA for digital-analog conversion, memory to store temporary data. Therefore, FPGA how to communicate with other chips are important design elements. Data input, data output, two-way communication, instruction delivery, address management, different clock asynchronous communication problems, and so have to deal with. If the most basic MEMORY SRAM (128KX8bbit static memory 628 128) which involved the input, output, bi-directional communication, address management issues, with strong representation. In synchronous digital systems a lot more use FIFO, SDRAM, etc.. One simple and easy to use FIFO, use very broad. In QUARTUSII software library, there ar
Platform: | Size: 223232 | Author: 平凡 | Hits:

[VHDL-FPGA-Verilog] cpu

Description: 设计以及基本的CPU，至少包括四个基本单元，控制单元，内部寄存器，ALU和指令集-The purpose of this project is to design a simple CPU (Central Processing Unit). This CPU has basic instruction set, and we will utilize its instruction set to generate a very simple program to verify its performance. For simplicity, we will only consider the relationship among the CPU, registers, memory and instruction set. That is to say we only need consider the following items: Read/Write Registers, Read/Write Memory and Execute the instructions. At least four parts constitute a simple CPU: the control unit, the internal registers, the ALU and instruction set, which are the main aspects of our project design and will be studied.
Platform: | Size: 2196480 | Author: mollyma | Hits:

[VHDL-FPGA-Verilog] xapp944_source

Description: 主要用来实现FPGA控制nand flash存储器的读写控制，是公司网站提供-FPGA is mainly used to achieve control of read and write nand flash memory control, is the company website
Platform: | Size: 1140736 | Author: lijin | Hits:

[Other] dds

Description: 块DDS芯片中主要包括频率控制寄存器、高速相位累加器和正弦计算器三个部分（如Q2220）。频率控制寄存器可以串行或并行的方式装载并寄存用户输入的频率控制码；而相位累加器根据dds频率控制码在每个时钟周期内进行相位累加，得到一个相位值；正弦计算器则对该相位值计算数字化正弦波幅度（芯片一般通过查表得到）。DDS芯片输出的一般是数字化的正弦波，因此还需经过高速D/A转换器和低通滤波器才能得到一个可用的模拟频率信号。 -In the programming step, the electronic controller fills the memory with data. Each datum is a binary word representing the amplitude of the signal at an instant of time. The array of data in the memory then forms a table of amplitudes, with time implied by the position in the table. If, for example, the first half of the table were filled with zeroes and the second half with values of 100 , then the data would represent a square wave. Any other wave shape can be created simply by altering the data. Devices are also available that cannot be programmed, and can only output sinewaves or a small number of waveforms.
Platform: | Size: 5120 | Author: 李彦伟 | Hits:

[Other] MX29LV128D

Description: 128M-BIT CMOS Voltage 3V Flash Memory
Platform: | Size: 13312 | Author: rillyxue | Hits:

[VHDL-FPGA-Verilog] MX29LV320D

Description: 32M-BIT CMOS Voltage 3V Flash Memory
Platform: | Size: 11264 | Author: rillyxue | Hits:

[VHDL-FPGA-Verilog] mx29LV640DT

Description: 64M-BIT CMOS Single Voltage 3V only Flash Memory
Platform: | Size: 10240 | Author: rillyxue | Hits:
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