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1 ARMv8 Memory Management 1.1 Memory layout in Aarch64 Linux The ARMv8 architecture can support 48-bit virtual addresses and is configured as a 4-level page table (4K pages) or a 3-level page table (...[Details]
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The s3c2440A chip is addressed by byte (8 bits), and the physical addresses are all expressed in hexadecimal. Because physical addresses cannot be used directly under Linux (including kernel spac...[Details]
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Nepal is a friendly neighbor of China connected by mountains and rivers. The Nepalese people under the snow-capped peaks long for light, just like the longing for spring in the cold winter. Nepal P...[Details]
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AI is transforming all walks of life, but who will reap the benefits of this technology? A software algorithm company? A hardware company? Or the trendy "software and hardware integration" company....[Details]
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On October 15, 2024,
WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary WPI has launched a 240W USB PD...[Details]
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1 Introduction
With the development of electronic technology, the emergence of field programmable gate arrays (FPGAs) and complex programmable logic devices (CPLDs) has enabled designers of elec...[Details]
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Commonly used registers in GPIO GPIOx_CRH and GPIOx_CRL: can configure various modes of GPIO and perform initialization. GPIOx_BSRR: 32-bit register, can be written or cleared 1/0 GPIOx_IDR: Low ...[Details]
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LCD and CRT monitors use different display devices, which determines that their working principles are qualitatively different. The figure shows the structural schematic diagram of the TIT liquid c...[Details]
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In recent years, it has become a habit for consumers to check some video reviews before purchasing mobile phone products. Video reviews are also divided into different categories. In China, the...[Details]
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ECG is a bioelectric signal generated by myocardial contraction and can provide information about changes in cardiac physiological functions. By placing measuring electrodes on different parts of ...[Details]
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At present, cardiovascular disease has become one of the major diseases that endanger human health. Wearable ECG technology is to embed ECG acquisition system in people's daily clothing, so that EC...[Details]
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CES – Venetian 3302 – Las Vegas, NV – December 20, 2019 – ON Semiconductor (Nasdaq: ON ), driving energy-efficient innovations, will showcase its latest LiDAR technology as a focal point of the compa...[Details]
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When it comes to high-
power
adjustable voltage-stabilized
power supplies
with an output of more than 10A
, readers who have come into contact with them will think of: a huge power
...[Details]
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According to the initialization order 1. Kernel fb core side 2. Kernel driver side (fb_mmap is not running at this time) 3. Application side (fb_mmap starts running when the application side i...[Details]
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The power tubes of famous manufacturers such as WE 300B, GEC KT88, RCA 2A3 and Tung?Sol 6550 are very expensive. Besides WE 300B, the others have been out of production for more than 20 years and are ...[Details]
Embedded System
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