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Since the PC pointer automatically jumps to address 0x00 to execute after an interrupt or exception occurs in the ARM CPU (while saving some CPSR registers, switching the operating mode, etc.), the i...[Details]
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As the usage rate of test instruments increases, instruments will inevitably fail. The maintenance of such instruments brings new challenges to our maintenance personnel. This requires us to have a w...[Details]
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Recently, a post saying "Hongmeng system is a pirated version of Android" has been circulated online, claiming that this is an announcement released by China Mobile. The so-called announcemen...[Details]
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Just one day before WWDC 2022, the new Apple Developer Center has opened and developers can visit the first floor. Located next to Apple Park, the developer center is described by Apple as...[Details]
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Today, a program was working fine, and there were basically no errors in the language. I checked it with the official information and there was no problem. However, the timer of the program c...[Details]
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1 Introduction
Radio frequency identification is a contactless automatic identification technology that automatically identifies the target object and obtains relevant data through radio frequency s...[Details]
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According to foreign media reports, Apple is about to launch a new Beats true wireless Bluetooth headset. This wireless headset called "Beats Fit Pro" has been demonstrated in iOS 15.1. Its appearanc...[Details]
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Beijing time, August 9 morning news, last year, General Motors acquired Crusie Automation, strengthening the strength of the autonomous vehicle department. Crusie's tools can turn Audi S4 or A4 car...[Details]
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1. ISP online download using the pickit3 tool; 2. Use chip PIC18F25K22; 3. The schematic diagram is as follows: 4. If the public IO port is used for other purposes, please eliminate interfer...[Details]
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In traditional active
PFC
, the AC input passes through the diode bridge rectifier after EMI filtering, but there is power dissipation during the rectification process, which includes the los...[Details]
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In the process of signal processing, the method of DSP + FPGA collaborative processing is often used. This is because although DSP can achieve high-speed signal acquisition, its instructions are ...[Details]
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Shanhai Semiconductor completes financing of over 10 million US dollars and launches internationally advanced signal chain products
Domestic high-performance mixed-analog and signal ...[Details]
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On August 23, Tesla continued to promote the rapid layout of its charging business in China. Official data showed that more than 11,500 Tesla super charging piles have been built across the country...[Details]
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The latest data released by global market research organization IHS Markit shows that in the second quarter of 2019, China's Huawei mobile phone ranked second in the global smartphone market with a s...[Details]
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1 Introduction Crystal diode switching circuits are widely used in digital systems and automation systems. In the crystal diode switching characteristic experiment, there is a time delay or lag betw...[Details]