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Linux memory management
The paging management of embedded processors is a two-level mapping, with memory space and I/O space addressed uniformly, while the x86 processor uses a three-level map...[Details]
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The 2020 Spring Festival Gala has come to an end. The beautiful and technological images of the Spring Festival Gala have left a deep impression on audiences across the country. All this is due to ...[Details]
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Challenge celebrates 50th anniversary of first 555 timer Shanghai, China, September 23, 2022 – Farnell, a global distributor of electronic components products and solutions under Avnet, launched t...[Details]
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Inspired by the biomechanics of cheetahs, scientists at North Carolina State University have developed the fastest soft robot yet, capable of moving faster on concrete or in water than previous gener...[Details]
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Description:
Pinyin input method query function: unsigned char code * py_ime(unsigned char input_py_val );
input_py_val is the pointer to the head of the input pinyin code string, and the r...[Details]
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2.2 IRP Processing
The I/O request packet (IRP) is the center of driver operation. It is a predefined data structure with a set of I/O manager routines that operate on it. An IRP has a fixed he...[Details]
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On November 22, the key equipment and advanced application control technology of the megawatt-class battery energy storage station of China Southern Power Grid Co., Ltd. passed the expert review, a...[Details]
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1 Introduction With the development of the electronics industry, the number of electronic components has increased dramatically, and the scope of application of electronic components has graduall...[Details]
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1 Surge voltage
When a circuit is struck by lightning and when an inductive load or a large load is connected or disconnected, a high operating overvoltage is often generated. This instantaneo...[Details]
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Distributed cluster applications have become the mainstream architecture of high-performance computing today, with significant advantages of strong expansion capabilities, high reliability, and low...[Details]
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Since the second half of 2020, the problem of wafer shortage in the semiconductor market has become increasingly prominent. At the same time, terminal applications such as office and remote teaching ...[Details]
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At a press conference held early this morning, Apple finally released the long-rumored AirTag, a Tile-like Bluetooth tracking device that can connect to users' keys, wallets and other items to track ...[Details]
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When pin 2, i.e. the 3.3 V terminal, of MICSl57 is connected to the S terminal (source), the output is a fixed 3.3 V output; when pin 1, i.e. the 5.0 V terminal, of MIC5157 is connected to the S term...[Details]
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According to foreign media Theregister, Newport Wafer Fab ("NWF"), the UK's largest wafer manufacturer, will be sold due to government restrictions, forcing it to lay off 100 employees amid uncertain...[Details]
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The maneuverability of fighter jets, such as the control force and displacement of the stick/rudder, must meet technical requirements and the pilot's usage habits, so that the pilot can safely and ...[Details]
Industrial Control Electronics
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