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When a power-on reset (POR) or power-on clear (PUC) signal occurs, the system registers will be reset. Note: After reset, the initial values of several registers related to the system clock are not...[Details]
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On September 11, Beijing time, Apple held an autumn new product launch conference in the United States. The new iPhone 11 Pro series was equipped with a rear triple camera for the first time, includi...[Details]
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Electronic voltmeters are precision measuring instruments and the following precautions should generally be taken. (1) Pay attention to the influence of interference sources. Electronic voltmeters ...[Details]
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The 2024 "Create the Future Together" China-US Youth Maker Competition Finals and Award Ceremony were successfully held at the China Millennium Monument from August 9 to August 12.
The finals...[Details]
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As the current dominant player in the mobile phone field, Apple has led the development of the entire mobile phone industry to a certain extent, such as the notch screen, linear motor, and the...[Details]
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The MCS-51 microcontroller has multiple interrupt sources. Taking 8051 as an example, there are 5 interrupt sources, two external interrupts, two timing interrupts and one serial interrupt. In this...[Details]
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How to enable and disable interrupts in 8051 and how to set priorities (1) The interrupt source raises an interrupt request, and the interrupt control permission control decides whether to respond to...[Details]
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Instruments are devices or equipment used to detect, measure, observe, and calculate various physical quantities, material components, physical parameters, etc. Vacuum leak detectors, pressure gauges...[Details]
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0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
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Timer0 is an 8-bit timer counter with a programmable 8-bit prescaler. The hardware structure is shown in the figure below:
There are three registers associated with it:
If counting ...[Details]
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The purpose of transformer drying is to remove moisture from the transformer insulation material, increase its insulation resistance, and improve its flashover voltage. Transformers with voltages a...[Details]
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Leading Chinese PV inverter manufacturer Huawei said it is supplying string inverters to a 75MW fully digital utility-scale solar project in Brazil, which it claims is the first of its kind in the cou...[Details]
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On the morning of April 3, Xiangshan Economic Development Zone and Abbot Energy Technology (Suzhou) Co., Ltd. held a signing ceremony for the GW-level all-vanadium flow battery and industrial chain ba...[Details]
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IT Home reported on February 13 that according to Taiwan Economic Daily, Apple has started mass production of iPhone SE3, which is expected to be launched in mid-to-late March. The price of the...[Details]
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On October 29, the Korea Economic Daily stated that according to the latest Samsung semiconductor memory roadmap it has, Samsung Electronics will launch the next-generation V-NAND with more than 40...[Details]