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1. ARM interrupt architecture ARM has 7 abnormal working modes User mode, fast interrupt mode, management mode, data access termination mode, interrupt mode, system mode, undefined instruction term...[Details]
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Specific implementation functions This system is composed of STC89C51/52 single chip microcomputer + LCD1602 display module + 5mm infrared receiving tube + LM358 operational amplifier circuit + key m...[Details]
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LM74 is an intelligent temperature sensor
based on SPI bus interface produced by National Semiconductor Corporation of the United States
. It can form a temperature detection system f...[Details]
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On January 3, China Mobile issued an announcement stating that the company's shares will be listed on the Shanghai Stock Exchange on January 5, 2022, with the stock code 600941 and an issue price of ...[Details]
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According to incomplete statistics from the International Energy Network/PV Headlines (PV-2005) based on public information, from November 20 to December 31, about 68 inverter bidding projects were...[Details]
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Elevator system lifting solution In order to control the elevator more effectively, the leftmost digital tube is now used to indicate the elevator's ascent and descent status, and another digital tub...[Details]
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A stack is a storage structure with a special access attribute of "Last In First Out" (LIFO). A stack generally uses RAM physical resources as a storage body and is implemented with a LIFO access int...[Details]
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According to official news from Micron, on July 8, local time, Micron's DRAM factory in Hiroshima, Japan was affected by bad weather and suffered a sudden power outage, which lasted for a long time. ...[Details]
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Diodes Incorporated (Diodes) has introduced a series of high-precision current shunt detectors suitable for measuring small sense voltages over a wide common-mode voltage range in electric veh...[Details]
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According to foreign media reports, in order to speed up the pace of forming the "Chip Quad Alliance", the United States previously unilaterally set August 31 as the deadline, requiring South Korea t...[Details]
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What is a soft interrupt? How to trigger soft interrupt Soft interrupt occurs when Soft interrupt occurrence conditions Soft interrupt seize If preempt_count_add adds SOFTIRQ_DISABLE_OFFSET, th...[Details]
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The most eye-catching feature of Cadillac's new compact SUV XT4 is its 2.0T variable-cylinder turbocharged engine, which is standard across the board. This engine is the first product of GM's eight...[Details]
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Photoelectric liquid level switches and float level switches are both commonly used liquid level switches, but their working principles and stability are different. Float sensors are cheaper than pho...[Details]
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In recent years, LED as a new energy-saving light source has won high investment enthusiasm and great attention in the world and China, and has penetrated from outdoor to indoor lighting applicatio...[Details]
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CNC (Computer Numerical Control) system is an automatic control system widely used in the field of mechanical processing. It controls the movement and operation of machine tools through computer pr...[Details]