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Ext.: http://archive.cnblogs.com/a/2011464/Measured a few of the OV7670 SCCB (in fact, is i²c) read and write waveform (digital mode), anyway, can not be wasted, in order to remember, for later reference.1. Several basic concepts a) in the data transmission phase, SDA changes only when the sck is low, if the sck high level when there is SDA change, it may indicate the start of the I²c or STOPB) Start: When the sck is high, SDA from high jump to low st
New version of the FPC Camera board, first look at the structure sizeLook at the interface. (The most common interface in the market: 2.54mm pitch pin, support 5v or 3.3v power supply)Supported by Firewood's nearly 10 remaining FPC standard cameras (e.g. OV7725 OV7670 OV9650 OV9655 OV5640 OV5642 OV2640 OV3640 mt9d112), covering 30w to 500w pixelsSupport Raw, YUV, RGB format output.Then look at the board resources in kind (Rich power system: 3.3v, 2.8v
ov7725 code programming usesTaobao one: 7725Information: Amoy Information Download: https://pan.baidu.com/s/1kVLrcHpTaobao purchase Taobao II: 7670Profile: Http://pan.baidu.com/s/1sj8Q6PvTaobao purchase OV7620 code programming usesTaobao three: 7620Purchase linkWith no, FIFO ask customer service.Today, there are a plethora of cameras on the market that can be applied to smart cars. In the end that is the most suitable for use in the Smart car, here Demok selected 2 typical camera
Original link:FPGA development of the eight: from the development of programmable devices to see the future trend of FPGAFPGA development All the nine: FPGA main suppliers and products (1)FPGA development All the nine: FPGA main suppliers and products (2)FPGA development All the nine:
Requirement Description: Deep learning FPGA realizes knowledge reserveFrom: http://power.21ic.com/digi/technical/201603/46230.htmlWill the FPGA defeat the GPU and GPP and become the future of deep learning?In recent years, deep learning has become the most commonly used technology in computer vision, speech recognition, natural language processing and other key areas, which are of great concern to the indus
Original link:FPGA Practical Development Tips (1)The fifth chapter, the FPGA actual combat development skill5.1 FPGA Device Selection KnowledgePeng Tong, Hu Yihua/CAS Shanghai Institute of Technical PhysicsThe selection of FPGA devices is very important, unreasonable selection will lead to a series of follow-up design problems, and sometimes even make the design
Many of the friends who have done microcontroller know that after the MCU is burned to write the program firmware, then the program firmware is stored inside the MCU. The program can continue to operate even if the MCU is powered off and then re-energized. This is because the firmware of the MCU is written to write the program firmware to the MCU on-chip program memory ROM, and most modern MCU this ROM is flash memory. Flash memory can be power-down to keep data, so can realize the power-down pr
DDR2 Circuit DesignHigh-speed large-capacity cache is an essential hardware in high-speed big data applications. At present, the use of a wide range of high-speed large-capacity memory in FPGA system has a classical low-speed single data rate of SDRAM memory, and high-speed dual-rate DDR, DDR2, DDR3 type SDRAM memory, The DDR series of memory all require the FPGA chip has the corresponding hardware circuit
FPGA timing problems and fpga timing problems Recently I made a project ------ 4 1080 p (1920x1080) to synthesize a 4 K (3840x2160,297 M) interface board. When 1080 p goes in and p goes out, the video is played normally. However, when P and 4 K are in progress, the video image will have water ripple. At that time, it was assumed that the timing sequence sent by FPGA
Implementation of floating-point operations in FPGA-calibration and fpga floating-point operations In some FPGAs, floating point numbers cannot be operated directly, but only fixed points can be used for numerical operations. For FPGA, the book involved in mathematical operations is a 16-bit integer number. What if there is a decimal number in the mathematical o
The advanced embedded market is divided into the following three categories: ARM, DSP and FPGA. ARM is the industry leader, currently almost all Android smartphones use ARM authorized CPU architecture, while DSP (digital signal processor) has been widely used in the early years of the telephone, DVD, communication base Station and other fields. The difference between DSP and arm is that arm is a universal CPU,DSP and a dedicated CPU.
ArticleDirectory Part 1 Introduction to software Part 2 Introduction to OpenGL Part 3 exercise with OpenGL Part 4: Part 3 Part 5 Time Series Constraints Part 6 software skills Description There is no link to the unfinished document. Comments A lot of feedback shows that many FPGA beginners are passionate at the beginning, but if they are not getting started for a long time, some people will gradually lose their interest a
Original link:FPGA development One: Why is FPGA so hot?FPGA development All-in-two: Why should engineers master the knowledge of FPGA development?FPGA development: The basic knowledge and development trend of FPGA (part1)FPGA deve
This article is originally from V3 College Www.v3edu.org,FPGA training SpecialistIn order to improve the reuse rate of our code, we can write the code of different functions and then connect to the top layer. We give a simple example, the following procedure, we implement the LED water.In the LED module, we first divide the system clock into 1HZ clock, and then use the crossover clock to control the flow of LED lights, but my crossover and led light f
The process of converting image processing algorithm to FPGA system design is called algorithm mapping, and the implementation of CPU parallel algorithm is different from that of FPGA parallel algorithm.1. Algorithmic System ArchitectureThe image processing algorithm mainly has two kinds of design structure: pipeline structure and parallel array structure.1.1 Pipeline structureIn my opinion, there is a cert
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 SD
In general, there are two FPGA measurement frequency algorithms: frequency measurement and measurement Week. I used the electronic measurement textbook to find the definition. The frequency measurement is to count the input signal period within a certain period of time, while the measurement week is opposite. It is within the input signal period, count the standard signal period. It can be understood that the frequency measurement uses a slow clock to
FPGA pin Verification Step (quartusii) 1, new TXT file, write pin configuration (no write voltage type) Syntax only set_location_assignment pin-to pin name such as: Set_location_assignment pin_b11-to CLK2 Set_location_assignment pin_g7-to P1db[0] (This is a multi-bit input and output, you need to disassemble the configuration) diagram: 2, new project, choose the type of FPGA you want to use, if not, you
Reproduced from the network, the author is unknown.I have many years of work on the FPGA study of QQ group administrators, a lot of new recruits for a long time are always repeating asked some very simple but let the novice puzzled questions. As administrators often to the novice to popularize the basic knowledge, but very unfortunate is a lot of rookie with a impetuous mentality to learn FPGA, always anxio
: For details, see the original project under "./experiment02. For the modeling process, see the modeling video "video_exp02 ". For the configuration process, see "Experiment 2 configuration" Flash_module.v is a 10Hz, 50% duty cycle output function module. To put it simply, the timer switch... The code is relatively simple. Run_module.v is a flow lamp with a scanning frequency of 3.3hz. It is written in the form of a "control module. 16 ~ The 24 rows are 1 ms counters. 28 ~ The 36 rows are
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