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Description: 包括各种类型存储器的VHDL描述,如FIFO,双口RAM等
-including various types of memory VHDL description, such as FIFO, Dual Port RAM, etc.
Platform: |
Size: 616055 |
Author: ruan |
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Description: FIFO电路(first in,first out),内部藏有16bit×16word的Dual port RAM,依次读出已经写入的数据。因为不存在Address输入,所以请自行设计内藏的读写指针。由FIFO电路输出的EF信号(表示RAM内部的数据为空)和FF信号(表示RAM内部的数据为满)来表示RAM内部的状态,并且控制FIFO的输入信号WEN(写使能)和REN(读使能)。以及为了更好得控制FIFO电路,AEF(表示RAM内部的数据即将空)信号也同时输出。
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Size: 1376 |
Author: 史先生 |
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Description: 包括各种类型存储器的VHDL描述,如FIFO,双口RAM等
-including various types of memory VHDL description, such as FIFO, Dual Port RAM, etc.
Platform: |
Size: 615424 |
Author: ruan |
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Description: XILINX的FPGA实现的双口ram源码,可作为dsp\SDRAM和pci桥接作用,可直接使用,实际工程通过。-XILINX FPGA Implementation of the dual-port ram source, as dsp \ SDRAM and pci bridge, and can be used directly, through practical projects.
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Size: 19456 |
Author: 朱效志 |
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Description: 采用Verilog语言描述的FIFO和双端口RAM源代码。-Verilog language used to describe the FIFO and dual-port RAM source code.
Platform: |
Size: 1024 |
Author: 蒋大为 |
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Description: FIFO电路(first in,first out),内部藏有16bit×16word的Dual port RAM,依次读出已经写入的数据。因为不存在Address输入,所以请自行设计内藏的读写指针。由FIFO电路输出的EF信号(表示RAM内部的数据为空)和FF信号(表示RAM内部的数据为满)来表示RAM内部的状态,并且控制FIFO的输入信号WEN(写使能)和REN(读使能)。以及为了更好得控制FIFO电路,AEF(表示RAM内部的数据即将空)信号也同时输出。-FIFO circuit (first in, first out), internal possession of 16bit × 16word the Dual port RAM, in order to read out has been written into the data. Address because there is no input, so please read and write their own design containing the pointer. By the FIFO circuit output signal of the EF (express the internal data RAM is empty) and the FF signal (that the internal data RAM or above) to express the state of internal RAM and FIFO control of the input signal WEN (Write Enable) and REN ( Reading-enabled). As well as a control in order to better FIFO circuit, AEF (express the internal data RAM is about to air) signal output at the same time.
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Size: 1024 |
Author: 史先生 |
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Description: FIFO(先进先出队列)通常用于数据的缓存和用于容纳异步信号的频率或相位的差异。本FIFO的实现是利用
双口RAM 和读写地址产生模块来实现的.FIFO的接口信号包括异步的写时钟(wr_clk)和读时钟(rd_clk)、
与写时钟同步的写有效(wren)和写数据(wr_data) 、与读时钟同步的读有效(rden)和读数据(rd_data)
为了实现正确的读写和避免FIFO的上溢或下溢,给出与读时钟和写时钟分别同步的FIFO的空标志(empty)和
满标志(full)以禁止读写操作。-FIFO (FIFO queue) is usually used for data caching and asynchronous signal used to accommodate the frequency or phase differences. The realization of this FIFO is to use dual-port RAM and to read and write address generator module achieved. FIFO interface signals, including asynchronous write clock (wr_clk) and read clock (rd_clk), and write effectively write clock synchronization (wren) and write data (wr_data), clock synchronization and time effective reading (rden) and read data (rd_data) in order to realize the right to read and write and to avoid FIFO overflow or the underflow, is given with the time clock and write clock synchronization FIFO respectively empty signs (empty) and full logo (full) to prohibit the read and write operations.
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Size: 378880 |
Author: lsg |
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Description: 用双端口ram实现异步fifo,采用格雷码,避免产生毛刺。-Using dual-port ram realize asynchronous fifo, the use of Gray code, avoiding the production of burr.
Platform: |
Size: 1024 |
Author: shili |
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Description: para13:
fifo.vhd FIFO(双口RAM)
fifo1.vhd FIFO(嵌入式EAB)
fifo2.vhd FIFO(LPM)-para13: fifo.vhd FIFO (dual port RAM) fifo1.vhd FIFO (embedded EAB) fifo2.vhd FIFO (LPM)
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Size: 3072 |
Author: libing |
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Description: 任意时钟配比的异步fifo.含有synplify ip库中的双端口ram。用于处理多时钟域问题。-Arbitrary ratio of asynchronous clock fifo. Containing synplify ip library of dual-port ram. Used to deal with the issue of multi-clock domain.
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Size: 5120 |
Author: xupeixin |
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Description: fpga从FIFO读数据并上传到双口ram中。-FPGA read data from the FIFO and upload it to dual-port ram Medium.
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Size: 468992 |
Author: 张菁 |
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Description: 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 phase and frequency offset between different clock domain in communication area .In this paper, an FIFO module is designed using Gray convert technology and dual-port ram , which realizing scatheless transmit between different clock domain. The advances of Gray (Only one bit changes between neighboring two clock ) improves the reliability and anti-jamming capability of the system. And the system can work normally in the bad condition which the phase and frequency offset target to 300PPM. It is proved by work that the FIFO module can fulfill the demands of real-time of data transmitting system, and the module is powerful enough for more data process in the future.
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Size: 81920 |
Author: 雷志 |
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Description: 双口RAM实现FIFO程序解释,说明.-FIFO dual-port RAM procedures to achieve explanation. Good
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Size: 616448 |
Author: nxl |
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Description: autonomous cascadable dual port FIFO
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Size: 4096 |
Author: konda |
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Description: FIFO,双端口数据存储器,实现数据先入先出的存储器件-FIFO, dual port data memory, data FIFO memory device
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Size: 1024 |
Author: 清华 |
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Description: FPGA内设计同步FIFO和异步FIFO,以及双口RAM的方法,FIFO设计的经验之谈,非常经典。-Synchronous FIFO and asynchronous FIFO, and dual-port RAM within the FPGA design,FIFO design rule of thumb, very classic.
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Size: 2388992 |
Author: peter |
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Description: 设计一个同步的双端口fifo ,大小为8*128。-Designing a synchronous dual-port 8* 128 fifo using VHDL.
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Size: 35840 |
Author: 沈湛 |
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Description: 写了FIFO中要用到的双口RAM的模块,FIFO中的RAM只用于读数据,输出数据,用写时针采集信号,读时针那一端不用读时针来采样.-Written to use the FIFO dual port RAM module, FIFO in the RAM is only used to read data, output data, the clock signal acquisition with write and read without reading that end of the hour to hour sampling.
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Size: 1024 |
Author: dagegegoni |
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Description: FIFO是英文FIRST-IN-FIRST-OUT的缩写,是一种先进先出的数据缓存器,它与普通存储器的区别是没有外部读写地址线,这样使用起来非常方便,但是缺点是只能顺序读写数据,其数据地址由内部读写指针自动加1完成
FIFO的主要功能是基于对双口RAM的读写控制来完成的,根据双口RAM的数据存储状况产生空满信号。双口RAM指的就是能同时对RAM进行读写操作的RAM存储器
-FIFO is an abbreviation of the English FIRST-IN-FIRST-OUT, which is a FIFO data buffer, it is the difference between ordinary memory is no external write address lines, so very convenient to use, but the drawback is that only the order read and write data, the data read by the internal address pointer is automatically incremented by 1 to complete the FIFO main function is based on the dual-port RAM read and write control to complete, resulting in empty status full signal based on data stored in the dual-port RAM. Refers to the dual-port RAM can simultaneously read and write RAM RAM memory
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Size: 4096 |
Author: 刘东辉 |
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Description: 同步双端口FIFO, 可同时读写,FIFO深度宽度可通过参数配置,带SV断言测试。(Dual Port Synchronization FIFO for ASIC/FPGA)
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Size: 1024 |
Author: junkaizhan
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