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The pulse width modulation mode can generate a signal with a frequency determined by the TIMx_ARR register and a duty cycle determined by the TIMx_CCRx register.
Each OCx output channel can be inde...[Details]
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近日，工信部印发《印发“十四五”信息化和工业化深度融合发展规划》（以下简称《规划》），到2025年，信息化和工业化在更广范围、更深程度、更高水平上实现融合发展，新一代信息技术向制造业各领域加速渗透，范围显著扩展、程度持续深化、质量大幅提升，制造业数字化转型步伐明显加快，全国两化融合发展指数达到105。 The "Plan" defines the main tasks, including c...[Details]
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Foldable screen mobile phones can be said to be another hot topic after "5G" in 2019, but no one expected that the world's first mass-produced foldable screen mobile phone would come from the domesti...[Details]
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On December 15, the Jiangxi Ganzhou West (Qianzhou) 500 kV substation designed by China Energy Construction Shanxi Institute was officially put into operation.
The Ganzhou West (Qianzhou) 500 ...[Details]
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According to the latest report from market research firm Counterpoint Research on Wednesday (30th), Apple’s iPhone 12 series global sales exceeded 100 million units in April, reaching this milestone ...[Details]
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Figure 1. Parallel tuned DC/DC resonant converter circuit diagram
The figure shows the main circuit diagram of the three-element parallel tuned converter. This converter adopts phase-shift modu...[Details]
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According to research firm Counterpoint Research, despite the tight production capacity and insufficient supply in the semiconductor industry, smartphone rear cameras continue to upgrade and high...[Details]
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Kernel version：2.6.14
CPU architecture：ARM920T
Author：ce123(http://blog.csdn.net/ce123)
1.close function
The above figure illustrates the execution process of close(fd), which mainly in...[Details]
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Three major modules: power supply, IO port and clock. 1. First, let's take a look at the power supply. Here is the power supply block diagram From the above we can see that the power supply provides ...[Details]
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The waveform generator uses a single-chip microcomputer (MCS8031) as the central control unit, and is composed of a keyboard input module, a digital tube display module, a D/A waveform generati...[Details]
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According to data from AVC Revo, China's local government power-rationing measures have caused the capacity utilization rate of LCD panel supply chain manufacturers' factories to drop to around 60%, ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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OSC uses a passive crystal oscillator, EXT uses an active crystal oscillator or an external clock. The 12M of 2440 is an Oscillator, which is active! 12M of 2440 is Oscillator Crystal Passive C...[Details]
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At present, single-chip white light LEDs with a power of 1W or 3W are very common, especially in some mid-to-high-end portable high-intensity flashlights. These flashlights are generally powered by...[Details]
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1. MCU selection When choosing an MCU, you need to consider the functions that the MCU can accomplish, the price of the MCU, power consumption, power supply voltage, I/O port level, number of pins, ...[Details]
Microchip MCU
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