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premise A User space virtual memory management mechanism VMA B User space physical memory management mechanism (struct page management under CONFIG_FLATMEM memory model) mmap and brk complete the man...[Details]
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According to Taiwanese media reports, Lyon Securities released a report pointing out that the upstream supply of iPhone 12 was overly aggressive, and Apple has officially launched the first wave of o...[Details]
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What does the synchronous generator excitation system consist of?
The synchronous generator excitation system usually consists of the following components:
1. Excitation power supply: A d...[Details]
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In the era of intelligence, major new forces have begun to roll up "matrix headlights" and compete for the title of "lighting factory". From the initial pursuit of bright and far-reaching lighting ...[Details]
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The design of future embedded systems faces complex challenges given the ambitious goals for performance, cost, power, size, new features, and efficiency. However, a design option that promises to ad...[Details]
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Chip company stock prices have performed poorly over the past few months. A recent report from Deutsche Bank predicted that this earnings season could show more signs of weakness. However, Qualcom...[Details]
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Using a single-chip microcomputer (or single-board computer) to play music is probably one of the issues that radio enthusiasts are interested in. This article starts from the basic sound generatio...[Details]
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The .h file is as follows: #ifndef __IWDG_H #define __IWDG_H #include "stm8s.h" void IWDG_Init(void); void IWDG_Feed(void); #endif The .c file is as follows: #include "iwdg.h" void IWD...[Details]
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As the basic chip of mobile phones, the power management unit is like an engine that drives the smart phone to run on the 3G highway. Although the existing power topology can meet the current appli...[Details]
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Recently, major packaging and testing manufacturers such as Tongfu Microelectronics, Changdian Technology, Huatian Technology, and Jingfang Technology have disclosed their company's production capaci...[Details]
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1 Introduction
The input circuit of the switching power supply mostly adopts a rectifier plus capacitor filter circuit. At the moment of closing the input circuit, since the initial voltage on...[Details]
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SmartSite launches new high-end super starlight-level large-area 8MP image sensor SC880SL March 17, 2023, Shanghai, China - Smartway (Shanghai) Electronic Technology Co., Ltd. officially launched t...[Details]
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Everything You Need to Know About Stepper Motors
The power of high-reliability stepper motors
Stepper motors are often mistaken as the lesser motors in servo motors, but in fact, th...[Details]
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Abstract: Knowledge is the most important thing when troubleshooting a complex device. We want and need to know the relevant issues. It includes the correct IC revision number, where to find relevant...[Details]
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Last night, I heard my roommate talking about compiling the Linux kernel. As a computer science graduate, I have no idea about this thing. It was so depressing. After learning from many sources, I ...[Details]