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Earlier this month, a fire broke out at the German factory of ASML, the world's largest lithography machine manufacturer, causing concern in the semiconductor industry. TSMC, as the largest customer ...[Details]
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The 52 MCU has a total of 6 interrupt sources, as follows:
INT0——External interrupt 0, introduced by P3^2 port, caused by low level or falling edge; the highest interrupt level; the C language uses t...[Details]
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uboot startup process and working principle
2.1 Introduction to startup mode
Most boot loaders contain two different operation modes: "boot loading" mode and "download" mode. This distincti...[Details]
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Sina Digital News reported on the morning of February 10 that Apple today released macOS Big Sur 11.2.1 to fix an issue that may cause some 2016 and 2017 MacBook Pros to fail to charge. The com...[Details]
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The German federal government has introduced the "Climate Protection Plan 2030" with the aim of achieving the goal of reducing greenhouse gas emissions by 55% by 2030 compared to 1990 levels. The p...[Details]
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The Sample and Hold (S/H) function is fundamental to the data acquisition and analog-to-digital conversion processes. The S/H amplifier circuit has two different basic operating states. In the first ...[Details]
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At noon on May 13, Hua Hong Semiconductor released its first quarter 2020 performance report. The financial report shows that sales revenue hit a new record high of US$304.8 million, up 50.3% year-on...[Details]
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The circuit is composed of four parts: power supply, load, connecting wires and auxiliary equipment. The circuits used in actual applications are relatively complex. Therefore, in order to facilita...[Details]
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OPPO K9s continues the design concept of the OPPO K9 series of glossy and matte: the glossy design near the lens module is like an electronic screen in the cyberpunk world, and the 09-Ks model c...[Details]
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According to news on October 24, Qualcomm will hold the Snapdragon Summit at 3 a.m. tomorrow. In addition to releasing the Snapdragon 8 Gen 3 processor, it will also launch Snapdragon Seamless, whic...[Details]
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English reference URL: http://www.at91.com/linux4sam/bin/view/Linux4SAM/U-Boot Prerequisite: Please install the arm-linux-gcc cross-compilation environment. (1) First, please download the uboot s...[Details]
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1. Design of flyback isolated power supply based on SE8510 Figure 1 is the schematic diagram of the SE8510 flyback isolated power supply system. The SE8510 is an offline isolated primary-side control...[Details]
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Introduction: RS485 transceivers are widely used when the communication distance is from tens of meters to thousands of meters. RS485 transceivers use balanced transmission and differential recept...[Details]
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Precision salt spray test chamber is a commonly used test chamber product, which has the advantages of aging resistance, corrosion resistance, easy cleaning and no leakage. It is widely used in the f...[Details]
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The battery is one of the power sources of the car. When the generator stops working and the engine is started, all the power is output from the battery. When the engine is idling or working at a l...[Details]