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As we all know, there are many detection principles for gas detectors. There are three main types of VOCs. As one of the two major categories of gases (toxic and harmful and flammable and explosi...[Details]
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A brief discussion on system security architecture design
The author has been working in the field of functional safety for more than eight years. Based on personal experience, I would like to...[Details]
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Contents The invention relates to the field of gas, in particular to a gas pressure regulating cabinet pressure tester. Background of the Invention In recent years, with the development and utiliza...[Details]
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0 Introduction
The main frequency of ARM11 is 533 MHz, and the highest frequency can reach 667 MHz, which is 10 times higher than that of ARM7. It also has more abundant on-chip resources, faster pr...[Details]
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0 Introduction
In the study of communication confrontation, in order to simulate the real digital communication signal scene, the digital communication signal generator is an indispensable...[Details]
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High-toughness solar panels thinner than a human hair or a sheet of paper will be used by Australian troops in Afghanistan, allowing soldiers to use this portable power source even when they are on...[Details]
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Recently, at the "China Mobile Global Partner Conference", ZTE exhibited the Axon20 5G Extreme Edition, but apart from exposing the plain leather back cover and the configuration of 12GB RAM + ...[Details]
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SAN FRANCISCO, Calif., May 28, 2019 /PRNewswire/ -- NetApp, the leading authority on hybrid cloud data management, today announced that it has been positioned in the Leaders quadrant for Ability to E...[Details]
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The dream of becoming a chip "giant" has completely ended. Huang Renxun must have imagined countless times how exciting and convincing the industry would be when Nvidia successfully acquires Arm. U...[Details]
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1. Basic characteristics of noise In electronic technology, noise refers to all unnecessary signals and various electromagnetic disturbances except useful signals. Noise is a random signal that needs...[Details]
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The core of the ARM chip, the CPU core (ARM720T), consists of an ARMTTDMI 32-bit RISC processor, a single 8KB cache, and a memory space management unit (MMU). The 8KB cache has a four-way connected r...[Details]
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;-------------------------------------------------------------------- ; ; 1-wire device access ;DS2430 ;memory function ;write scratchpad ;read scratchpad ; ;read memory : ; resource occupy by ICD2 ...[Details]
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In the ARM system, there are usually three ways to control the execution flow of the program: **During normal execution, the value of the program counter (PC) increases by 4 bytes for each ARM i...[Details]
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In STM32, there are five clock sources, HSI, HSE, LSI, LSE, and PLL. In fact, there are four clock sources, as shown in the figure below (gray blue). PLL is a PLL clock obtained by multiplying the fr...[Details]
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When porting u-boot, most people use Nand flash boot or Nar flash boot. In this way, u-boot can only be used in Nand flash or Nor flash. So how can we make our u-boot work in Nand flash or Nor flas...[Details]
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