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ARM processors have been developed for many years, with many architectures and many different cores.
The architectures are armv1 v2 v3 v4 v5 v6 v7
There are too many cores, for example, a...[Details]
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The well-known mobile phone review organization DXOMARK announced the audio scores of the iPhone SE (2020) yesterday, with an audio playback score of 69, an audio recording score of 73, and an overal...[Details]
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Today, the scientific concept of development and energy-saving society have become a consensus around the world. In my country, power shortage has become a constraint on sustainable economic d...[Details]
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On the evening of May 16, NIO's official Weibo account announced that a NIO ES8 near Anli Road in Jiading District, Shanghai, caught fire and began to emit smoke. Firefighters rushed to the scene and...[Details]
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We know that voltage, current and power are measured in volts, amperes and watts and voltmeter, ammeter and wattmeter are used to measure these parameters. Even though these measuring instruments are...[Details]
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The oscilloscope is a widely used electronic measuring instrument. It can transform invisible electrical signals into visible images, making it easier for people to study the changing process of vario...[Details]
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The STM32 timer encoder mode calculates the number of AB phase pulses of the geared motor, triggered by the rising and falling edges of the AB phase pulse, and then the counter is incremented by one....[Details]
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Market research firm IDC said that due to slowing smartphone sales and weak demand, global semiconductor revenue is expected to fall 7.2% in 2019, ending three consecutive years of growth. "The cur...[Details]
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At present, in some missile-borne equipment, due to the large amount of real-time image data collected, a very high transmission rate is required when transmitting data between it and the ground test ...[Details]
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Quantum torsion microscopy imaging of magic angle bilayer graphene bands. Image source: Nature
According to a study published in the latest issue of Nature magazine, researcher...[Details]
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Liu Cixin said in the book "Three Body: Dark Forest", "If we cannot go backward, we must move forward resolutely." This sentence is very suitable for Harvard, which is unwilling to lag behind. Fort...[Details]
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What is read-modify-write, the problems it causes and how to solve them:
As long as the final value of the FILE (register, memory, and I/O) processed by the PICmicro command is related to the value b...[Details]
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Factors affecting basic iron loss
To analyze the problem, we first need to know some basic theories, which will help us understand. First, we need to know two concepts. One is alternating magn...[Details]
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1. Overview
With the continuous development of hybrid and pure electric vehicles, the complexity and reliability of motor control strategies are increasing. The demand for the development envi...[Details]
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During the interrupt service subroutine, only the return address PC is automatically pushed into the stack, and the contents of other registers must be figured out by ourselves according to the needs...[Details]
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