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Knowledge point 5. Interrupt system of MCS-51 microcontroller Main content: Overview of interrupt technology, interrupt system structure, interrupt permission and interrupt priority control, conditio...[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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According to Sina Technology, Nikkei today quoted multiple sources as saying that Chinese investors have abandoned plans to invest in Japanese display maker Japan Display Inc. (JDI). People familiar ...[Details]
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Interrupt Response Interrupt response is the acceptance of the interrupt request from the interrupt source by the single-chip CPU. After the interrupt request is responded, it goes through a ...[Details]
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The global contact lens industry is undergoing major changes, with shifts in market demographics driving the development of new contact lens and intraocular lens (IOL) technologies. The new technolog...[Details]
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One of the most common sources of measurement error is the presence of vertical noise, which reduces the accuracy of signal measurement and causes inaccurate measurement problems when the frequency...[Details]
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Although ultrasonic flowmeter has its own verification procedures, it has a common use and management mode with the water industry measurement, so its performance requirements, measurement accuracy, v...[Details]
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The 22nd China International Optoelectronics Expo officially kicked off. VIAVI Solutions, an industry expert in the field of optical communication testing, made a grand appearance with many innovati...[Details]
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1. High precision:
The accuracy of the V-cone flowmeter is ±0.5% of the measured value, and the commercial measurement grade is ±0.3%.
2. Good repeatability:
The V-cone flowmeter ha...[Details]
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Stripping length When all terminals are crimped for the first time, a reasonable stripping length must be set to avoid inadequate crimping and excessive exposure of the core wire. The design of t...[Details]
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1 Introduction
As a high-tech product, LED display screen has attracted great attention. The large-screen intelligent display screen that integrates light and electricity with computer control has ...[Details]
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Contents The present invention relates to a thermal air flow meter for measuring the flow rate of air, and for example, to a thermal air flow meter that is mounted on an intake pipe of an internal co...[Details]
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1 Introduction Flow parameter is one of the four most important parameters in the process of industrial production detection, and it is also the most difficult parameter to measure. At home and abroa...[Details]
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At present, DMM6500 is widely used in automatic test systems to measure the electrical parameters of products to ensure product consistency and indicator compliance. Today we will jointly unlock the ...[Details]
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GIC is an important component in the ARM system. After understanding the composition and function of GIC, we can understand the general process of IRQ, from the arrival of hardware IRQ to the end o...[Details]
Discrete Device
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