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The previous key driving methods are all applications that obtain key values by actively querying:
1. Query method
2. Interrupt mode
3. Poll mechanism
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简介:介绍使用现代EDA手段设计核物理实验常用仪器——定标器的原理和实现方法。新的定标器利用FPGA技术对系统中大量电路进行集成,结合AT89C51单片机进行控制和处理,并增加数据存储功能和RS232接口,实现与PC机通信,进行实验数据处理。本文给出详细新定标器设计原理图和FPGA具体设计方案。 定标器在大学实验中有很广泛的应用,其中近代物理实验中的核物理实验里就有2个实验(G-M计数管和β吸收...[Details]
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The shrinking geometries of IC processes have driven the operating voltages of today's electronics down to well below 2V, creating many design challenges. A common problem is the need for mult...[Details]
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In this section we will explain in detail how to debug applications using our own system calls. 1. Steps 1. Modify the executable file of the application and replace the code at a certain location wi...[Details]
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Almost all innovative technology nodes of embedded operating systems originated in Europe and the United States, and domestic industry players have always played the role of followers. But we must al...[Details]
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How to use a digital multimeter to measure inductors. Here we introduce in detail the operating steps of using a digital multimeter to measure inductors. The actual testing methods include the select...[Details]
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On August 23, Changying Precision issued an announcement stating that in order to meet the company's funding needs for the development of new product categories, enhance profitability and capital st...[Details]
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According to morning news on June 21, Cisco launched a network chip for AI supercomputers. The new chip will compete head-on with products from Broadcom and Marvell. The new chip belongs to Cisco's...[Details]
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At 23:50 on October 31, the 4MW/20MWh chemical energy storage project of the Basu photovoltaic power station in Qamdo, Tibet Kaitou was successfully connected to the grid. This is the first energy sto...[Details]
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As we all know, safety is an eternal theme of power enterprises, and the quality of safety tools will directly affect the personal and equipment safety of power enterprises in the production process....[Details]
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The MCP3914 ADC is fully configurable with the following key features: 16/24-bit resolution, 32 oversampling ratio (OSR) from 32-4096, gain from 1x to 32x, independent shutdown and reset, dithering a...[Details]
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SAW is an elastic wave that propagates with energy concentrated on the surface of a medium. Strictly speaking, it refers to waves of various modes that propagate along a surface or interface. Differe...[Details]
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Abstract: The system achieves a low-resistance 50Ω bandwidth of 1 GHz (- 3 dB), a high-resistance 1 MΩ bandwidth of 500 M (- 3 dB) and an attenuation range of 2 mV/div~5 V/div by combining high-speed ...[Details]
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1. Power on precautions: Boot steps: (A) First, power the load with AC bypass; (B) After confirming that there is no output line short circuit and no overload, start the machine without load;...[Details]
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The entire construction team of the Rongke Energy Storage Equipment Manufacturing Project is working hard to seize the critical window period and sprint to the fourth quarter, laying a solid foundatio...[Details]