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The program got stuck during LCD initialization. Through hardware debugging, it was found that it was stuck in the Delay_ms() function. Going to the definition, it was found to be a macro definition ...[Details]
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Introduction What is an interrupt When the CPU is running the main program, it pauses to process other programs and then comes back to process the main program. This is an interrupt. Interrupt Sour...[Details]
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A Beijing startup called Wuhe is making electrode materials and batteries that could lower the cost of electric vehicles. The company uses nanostructures for its battery materials, and like other rece...[Details]
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The OnePlus 9RT 5G phone has been officially announced, and its appearance and some configurations have been exposed. The product will be released online at 19:30 on October 13, equipped with a Qualc...[Details]
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Zuosi Auto R&D released the "2023-2024 Huawei Automobile New Four Modernizations Layout Analysis Report and the New Automobile New Four Modernizations Weekly Observation March Issue 1". The " 2023 I...[Details]
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The International Energy Agency (IEA) recently released a report stating that in order to avoid more serious impacts of climate change, countries need to triple their investment in clean energy tec...[Details]
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Spectrum analyzer is an instrument for studying the spectrum structure of electrical signals. It is used to measure signal parameters such as signal distortion, modulation degree, spectral purity, fr...[Details]
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On July 10, 2019, MediaTek held an AI Partner Conference with several leading artificial intelligence and smart home companies to provide the industry with solutions for smart homes, smart cities, sm...[Details]
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The world of business is changing rapidly, and it will change even faster in the coming years. Today, consumers expect a consistent buying experience across all retail channels: physical stores, onli...[Details]
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The camera combination of Xiaomi 11 is a 100-megapixel main camera + 13-megapixel ultra-wide-angle + 5-megapixel telephoto macro lens. Frankly speaking, this configuration is not very outstand...[Details]
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Synaptics has announced the SYN4381 Triple Combo SoC, the first product to combine Wi-Fi 6/6E (802.11ax with extended 6 GHz), Bluetooth 5.2 (BT 5.2) with BLE audio, High Accuracy Distance Measurement...[Details]
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Honda recently held the "2012 Honda Media Conference" at its R&D center in Utsunomiya, Tochigi Prefecture, Japan, and demonstrated two chassis technologies to the media: Super-Handling All-Wheel Dr...[Details]
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As wearable devices become more powerful, their power consumption is also increasing. Before there is a revolutionary breakthrough in battery technology, if a longer standby and battery life is requi...[Details]
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Modularization is the development trend of switching power supplies. Parallel operation is an effective solution for large-capacity power supply products. Capacity expansion can be achieved by desi...[Details]
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First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]
Analog electronics
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