1 Speed and areaThe overall optimization level will reach the speed and area of the RTL to take advantage of the logical topology.For FPGA due to lack of knowledge in the backend, gate-level optimization. In general, higher speeds require higher parallelism and greater area, but in some special cases this is not the case. Because the layout and cabling of FPGA have the second order effect.Until the layout i
I. SummaryThe method of allocating and preserving FPGA pins in Quartus II is summarized.second, the Pin allocation methodThe FPGA pin assignment, in addition to the QII software, select the "Assignments->pin" tab (or click the button), open the Pin Planner, assign the PIN, there are the following 2 ways.method One: Import AssignmentsStep 1:Use Notepad or similar software to create a new TXT file (or CSV fil
Recently in the study of FPGA, I tried to write a button scanning program. Although there is a single-chip microcomputer-based key scanning experience, there are some concepts for the handling of keys.But the single-chip computer program is usually written in C, but also useful compilation, and FPGA is the use of VHDL or Verilog This hardware description language to write. First use VHDL to writeControl pro
In the FPGA design, all arithmetic operators are performed according to the unsigned number. Recently used FPGA to do a signed calculation, to record1. If the signed number calculation is to be completed, the to and subtraction operations can be done by means of a complement of unsigned additions. However, in the calculation of the number of bits to consider the limit, whether in addition or subtraction, th
Design Purpose:1. Camera Driver (30w-500w MIPI interface)2. VGA Display Driver3, USB2.0 Video Collection4, Tft Lcd interface (TTL, LVDS driver)5, video, image processing (algorithm validation)6. Various video interface processing (AV, VGA, LVDS)Finish the effect:The current hardware has been basically tested (serial, 68013, VGA, SDRAM, UART, cmos-ov7725,ov7670, 7 inch TFT Lcd Drive)1, complete the routine test: VGA camera video display, VGA display SDRAM high-speed data, PC video capture2, trans
FPGA DDR3 DebuggingSPARTAN6 FPGA chip integrates the MCB hard core, it can support to DDR3. The MiG IP core is available in Xilinx's development tools Xilinx ise, which designers can use to directly generate the DDR3 controller design module and complete the configuration via the MIG GUI graphical interface.First, establish the ISE project and add the MiG IP core,Next to the MiG IP core configuration, the m
There are two types of RAM, BLock RAM, and distributed RAM on the FPGA.Block Ram:1. Bram is a custom RAM resource in FPGA. The location is fixed, for example Bram is a column-by-column distribution, which can result in a longer route delay between user logic and Bram. For the simplest example, in a large-scale FPGA, if you run out of all the Bram, the performance will generally drop, even if the route is no
Why FPGA prototype verification?FPGA prototype verification can evaluate the chip function and performance before the IC flow sheet, and can provide the software designer with a verification platform. All designs, whether SOC or ASIC, need to be validated (functional and timing verification) to ensure that the IC implementation model matches the desired design performance. Moreover, the software content of
Original link:FPGA Development 13: FPGA Practical Development Skills (12)FPGA Development 13: FPGA Practical Development Skills (12)5.6 Commissioning experience in large scale designIn large-scale design debugging should be in accordance with the design concept in reverse order, from the bottom test, mainly rely on the Chipscope Pro tool. The following is mainly
Chapter 5 is finally available-FPGA-based c2mif software design and VGA application I. Overview of the MIF File
For a long time, do you want to talk about the design and application of the MIF file? Bingo cannot decide on his own. I have written so many, and I am a little tired.
Finally, I bit my teeth and wrote it, because no one has ever written it, so I want to write it. If I don't take the ordinary path, I will open up this road, let the design
to reuse them after a long time. In fact, when a problem occurs, you can observe the existing debug-pin orIt is enough to find the root cause of the problem, without the need to introduce a new pin, and waste time merging and Par.
5. The timing of simulation is sufficient. With the design principle of clock synchronization, the functions of digital circuits can be verified through simulation. Simulation results and FPGA-Image is equivalent. Of course
Abstract: This paper introduces the working principle of the FIR extraction filter, focuses on the method of using xc2v1000 to implement the FIR extraction filter, and gives the simulation waveform and design features.Key words: FIR Filter extraction; pipeline operation; FPGA
It is complicated to use FPGA to implement the extraction filter, mainly because FPGA la
, that is, the operation of a 3x3 pixel:P = P11 | | P12 | | P13 | | P21 | | P22 | | P23 | | P31 | | P32 | | P33In HDL, in order to change the speed through the area, we will change the type as follows:P1 = P11 | | P12 | | P13P2 = P21 | | P22 | | P23P3 = P31 | | P32 | | P33P = P1 | | P2 | | P3, that is, the results of corrosion operations can be achieved by the operation of 2 clocks/stepsSimulation of expansion operationThe above simulation is my previous simulation with Modelsim, here is not rep
Research on RC6 algorithm implemented by FPGA
[Date: 2008-10-29]
Source: single-chip microcomputer and Embedded System Application Author: Beijing Institute of Electronic Science and Technology Wu Yuhua Li Ligao xiwei YAN Shi ding
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Introduction
RC6 is a new group password submitted to NIST (US National Institute of Standards) as a candidate Algorithm for AES (Advanced Encryption Standard. It is designed
[Serialization] FPGA OpenGL series instances
DC motor PWM Control Based on OpenGL
I. Prerequisites
In the previous article, I summarized the control of the stepper motor. This time I will learn about the control of the DC motor. First, we will briefly understand the difference between the stepper motor and the DC motor.
(1) step-by-step movement of stepper motors, DC motors usually adopt continuous movement control.
(2) The stepping motor adopts direc
Logical replication is often used in FPGA design.1. The signal-driven series is very large, fan-out is very large, and the driving force needs to be increased
Adjust the fan-out of the signal when logical replication is most commonly used. If a signal needs to drive many units in the back-level, the fan output of the signal is very large, one way to increase the drive capability of the signal is to insert a multi-level buffer, however, although this c
Document directory
Step 1 Add the sd_card folder to the APP project path
Step 2 write code
Step 3 call the SD card driver Function
In the previous section, we completed the configuration of the niosii SBTE. The following describes how to compile an SD card Driver Based on existing references (manual and code.Prepare tools and materials
1. WinHex
2. Efronc's blog post SD/MMC interface and power-on sequence, SD/MMC internal registers, and command set in SD/mmc spi ModeStep 1: add the sd_car
1. Flow of signals carried by FPGA at the board level.
Generally, the strip of a Board follows the signal stream. from one side to the other side, it may be bent, but it will not return. FPGA pins are allocated.
This principle should also be followed to avoid wiring, such as crossover and surround.
2. FPGA internal bank.
Be familiar with the internal distri
obtain the FPGA-specific VHDL RTLCode.5.
Figure 5 signalcompiler
4. Use Modelsim for RTL-level simulation
This step is to simulate and verify the VHDL File converted from the. MDL file, which can be achieved by adding the testbench component. 6.
Figure 6 testbench
In addition, if you select the launch GUI, you can directly start Modelsim for simulation. If you do not select it, you can use TCL --> execute macro under the Tools menu of
Fpga hdl source program
FPGA statistics camera output pixels, form sizes, and so on
//----------------------------------------------------------------------------// user_logic.v - module//----------------------------------------------------------------------------//// ***************************************************************************// ** Copyright (c) 1995-2012 Xilinx, Inc. All rights reserved.
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