ddr3 frequency

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Dm8168 bumpy hardware path (ddr3)

A new 8168 board was created. During ddr3 debugging, emif0 encountered an error in some data bits. Ddr3 128 MB * 8 = 1 GB To test all the space of ddr3, I save the address to ddr3, which is the operation of * pdata ++ = (uint32) pdata. The following problem occurs: Write 80000000 from 0x80000000, write 80000004 fro

What does it mean to DDR3 memory?

DDR3 is a computer memory specification. It belongs to the SDRAM family of memory products, providing a higher operating performance compared to DDR2 SDRAM and lower voltage. Introduction to DDR3 Technology DDR3 SDRAM in order to save power, faster transmission efficiency, the use of SSTL 15 I/O interface, operating I/O voltage is 1.5V, the use of CSP, FBGA pac

Computer Skylake Platform Select DDR3 or DDR4?

with the DDR3 occupation of the market for many years, the development of memory has also begun to change, the performance of a stronger DDR4 from the end of 2014 into human vision, as in the DDR2 era to the DDR3 era, Skylake platform in the DDR3 transition to the stage, and in order to take into account consumers, The Skylake processor integrates dual controller

76.zynq-using PS to control DDR3 memory Read and write

The purpose of this article is mainly to use a concise method of DDR3 read and write, of course, this way every read and write needs CPU intervention, efficiency is relatively low, but this is the process of learning it.As much as possible, this series of articles makes each experiment relatively independent, ensuring the integrity of the process as much as possible and ensuring the reproducibility of the experiment. However, the use of the module or

About place:909 problem solving--DDR3 debug record

"i_migdoubleinterface/c1_u_memc_ui_top/u_mem_intfc/phy_top0/u_phy_data_io/gen_dm_inst.gen_dm[1].u_phy_dm_ IOB/U_ODELAY_DM"(PlacedinchClock region"Clockregionp_x1y2"), since it isToo far away from source BUFR"I_MIGDOUBLEINTERFACE/C1_U_MEMC_UI_TOP/U_MEM_INTFC/PHY_TOP0/U_PHY_READ/U_PHY_RDCLK_GEN/GEN_LOOP_COL0.U_BUFR _rsync"(PlacedinchClock region"Clockregion_x0y4"). The situation is caused by user constraints,orThe complexity ofThe design. Constraining the components related toThe regional clock p

RFID tags can be divided into low frequency (LF), high frequency (HF), and ultra high frequency (UHF)

For an RFID system, the concept of Frequency Band refers Frequency Range of tag signals sent, received, and read by the reader through an antenna . In terms of application concept, the operating frequency of the RF tag, that is, the operating frequency of the RFID system, directly determines all aspects of the system a

Frequency Division of high-frequency circuits and low-frequency circuits

13:55:34 Frequency Division of high-frequency circuits and low-frequency circuitsHigh-Frequency Division:Extremely low frequency elf less than 3 kHzVery Low Frequency VLF 3-30 kHzLow Frequenc

Front-End bus frequency and external frequency

The actual operating frequency of the CPU is the product of the outer frequency and the multiplier. The outer frequency is like the width of the road, and the multiplier is like the number of vehicles allowed to pass through the road per unit time. At present, the external frequency of mainstream CPU is usually 66, 100

Memory frequency affects the game

First of all, we want to explain that the memory capacity is not within the scope of our discussion, after all, 4GB has become the mainstream of today, to deal with the general application and 3D game is not a problem, only in some specific applications, the need for greater capacity of memory. We're talking more about frequency today. At present, the ddr3-1600 is the absolute mainstream, but the higher

Memory frequency is closely related to overclock! (Beginner must watch over-frequency)

With the increasing number of overclocking players, the asynchronous memory technology has also begun to flourish. However, the technological development has also brought about more confusion. Even the "prawns" cannot fully figure out the current asynchronous memory technology. It is precisely for this reason that memory asynchronous technology is necessary to solve the problem. If you are interested, you may go on to understand what the memory asynchronous technology is like! 1. What is mem

Differences between high-frequency and power-frequency machines

The power frequency machine is a traditional X-ray equipment that uses 50Hz AC as the power supply of High Voltage Generators. We know that the composition of X-ray machine (or X-ray equipment) can be roughly divided into two parts: X-ray Generator (X-ray source) and auxiliary equipment. The following discussion will confuse the x-ray machine with the X-ray generator without distinction. High-voltage power supplies of power

Direct Digital Frequency Synthesis Technology and Its Implementation of C ++, digital frequency synthesis implementation

Direct Digital Frequency Synthesis Technology and Its Implementation of C ++, digital frequency synthesis implementation DDFS-Direct Digital Frequency Synthesizer Direct Digital Frequency synthesis technology can be used to generate periodic signals of arbitrary waveforms. The so-called DDFS is simply a look-up Table m

Use Excel to generate a frequency distribution table and a frequency distribution histogram

Use Excel to generate a frequency distribution table and a frequency distribution histogram Fujian Nanping High School Zheng dinghua 353000 mobile phone 13859389247 Abstract: relying on the "analysis tool" provided by Excel, the actual operation and solution analysis are carried out through specific examples to solve the statistical problem perfectly and efficiently, this frees teachers and students from co

Use Excel to generate a frequency distribution table and a frequency distribution histogram

Fujian Nanping High School Zheng dinghua 353000 mobile phone 13859389247 Abstract: relying on the "analysis tool" provided by Excel, the actual operation and solution analysis are carried out through specific examples to solve the statistical problem perfectly and efficiently, this frees teachers and students from complicated statistical operations and drawing to gain a sense of accomplishment. Keywords: Excel statistical histogram generation In statistical teaching and learning, statistical ana

Why are large capacitors used in low-frequency channels and small capacitors Used in High-frequency circuits?

The capacitor around 10 PF is used to filter out high-frequency interference signals, and the capacitor around 0.1uf is used to filter out low-frequency ripple interference. Can play the role of regulator The specific capacity of the filter capacitor depends on the main operating frequency on your PCB and the harmonic that may affect the system.Frequency. You ca

Frequency domain transform of image and its application in frequency domain transformation of __ Images

Image frequency domain Transform and its application 1. Noun Explanation: (1) Spatial domains: English: Spatial domain. Encyclopaedia: Also known as image Space (imagespace). A space composed of image pixels. In the image space, it is called spatial domain processing to deal with the pixels directly with the length (distance) as the independent variable. (2) Frequency domain: English: Spatial

Dual-channel or high-frequency measured memory effect on a10-7890k performance

as we all know, dual-channel, high frequency memory has a great influence on the performance of Apu, especially in the game experience. Today we're going to test the performance of AMD's new flagship APU a10-7890k at different memory frequencies and channels, to see how much memory affects APU performance. About a10-7890k Processors A10-7890K is AMD introduced this year's new flagship APU processor, the use of four nuclear design, the d

Analog frequency vs. Digital frequency

In the study of digital signal processing, many newly-started friends often confuse the analog frequency, the digital frequency and the relationship between them, even some friends who have some knowledge of digital signal processing are puzzled by this problem.The frequency we normally refer to is the analog frequency

Ad frequency control (frequency capping)

Frequency Control Introduction Frequency Control in ads refers to the number of times a user sees an ad (or similar AD) for up to a specified period of time, such as advertisers can limit a user to a maximum of one ad per day 3 times (frequency control also allows Publisher to specify, but this article does not consider publisher). The

CPU display frequency does not match the actual frequency

Failure phenomenon: We often have user calls in the wiring to reflect the frequency of the CPU is very low, (for example, core 6300 running at 1.6G, Flash dragon 3200+ operating frequency only 900Mhz), the user suspected of hardware failure or the CPU when the factory installed another model. In fact, this is the AMD energy-saving technology: "CNQ" and the Intel CPU energy-saving technology "EIST" at work.

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