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Preface This series of blog posts is used to introduce the NEON instruction optimization under ARM CPU. Blog post github address: github Related code github address: github NEON History The history...[Details]
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According to Jiwei.com, Apple released its second quarter financial report for fiscal year 2019 ending March 30 on Tuesday. The report shows that Apple's second quarter revenue was $58 billion, down ...[Details]
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1 Master-slave multi-machine communication The so-called master-slave multi-machine system means that among several ARMs (or single-chip microcomputers ), one is the master and the rest are sl...[Details]
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1. Design Idea
When a beam of light from an electric light source hits a mirror, reflection occurs. When we allow the beam to hit the mirror at a fixed angle, it will be reflected on the other...[Details]
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Many friends will encounter the problem of MCU programming framework when programming MCU. The following is an example code of MCU fast programming framework. On this basic framework, modules can be e...[Details]
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The National Energy Administration recently issued the "Guiding Opinions on Promoting the Construction of New Energy Microgrid Demonstration Projects", which for the first time included microgrids ...[Details]
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8 addressing modes Register addressing mov r1,r2 Immediate addressing mov r#0xFF00 Register shift addressing mov r0,r1,lsl #3 Register indirect addressing ldr r1, Base address index addressing ldr...[Details]
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The A4938 is a complete three-phase brushless DC (BLDC) motor pre-driver that provides outputs for direct high-current gate drive of all N-channel power MOSFET three-phase bridges. The device featu...[Details]
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Recently, the news that BYD is about to launch the fifth-generation DM-i hybrid technology has attracted widespread attention. Today, we’ll take an in-depth look at this technology and its evolution....[Details]
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GCL Group officially launched the construction of a 2.4GWh pumped-storage power station in Jiande City, Zhejiang Province. This is the largest clean energy project invested and cons...[Details]
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The feature of NOR FLASH is on-chip execution (XIP, eXecute In Place), so that the application can run directly in the flash memory without having to read the code into the system RAM. NOR has high...[Details]
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Zhongying Electronics recently issued an announcement stating that an invention patent that it had previously acquired from Shanghai Lanzhi Semiconductor Co., Ltd. has been awarded an invention paten...[Details]
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Whether driven by Moore's Law or consumer demand, the level of performance required in today's televisions may seem overwhelming.
Compared with the standard definition television format (SDTV), the...[Details]
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Engineering labs are often equipped with network analyzers, but rarely with injection transformers for closed-loop analysis of DC-DC converters. Agilent sells such transformers as test equipment ac...[Details]
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On November 12, according to a press release on the official website of the South Korean Ministry of Trade, Industry and Energy, Japan's JSR, a semiconductor photoresist giant, held a groundbreakin...[Details]