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The SysTick timer is bundled in the NVIC and is used to generate the SYSTICK exception (exception number: 15). In the past, most operating systems required a hardware timer to generate the tick inter...[Details]
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On December 10, the 2020 China Integrated Circuit Design Industry Conference was grandly held in Chongqing. Peng Qihuang, Global Senior Vice President and President of Asia Pacific of Mentor, a Sieme...[Details]
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Of all the performance characteristics of an INA, the most confusing is the common-mode range requirement. So how does a designer calculate the common-mode range of an instrumentation amplifier? Let’s...[Details]
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A recent report released by market research and survey organization Gartner shows that global chip procurement spending reached US$449.8 billion in 2020, an increase of 7.3% from 2019. Among the top ...[Details]
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The global production of electric vehicles is expected to grow significantly in the five years from 2019 to 2024, with an average annual growth rate of about 15%. As an indispensable semiconductor co...[Details]
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1Data transmission control method between CPU and peripherals (I/O control method)
There are usually three ways
1. Query method
2. Interrupt mode
3. DMA mode (in an independently developed spac...[Details]
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A few days before the CES2024 exhibition, on January 4, 2024, AMD launched two new products for the automotive field. One is the embedded processor V2000A series for automotive cockpits , and the oth...[Details]
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Go to Taobao, buy a house, a car, and a plane...
Available online, priced at 2.39 million
In 2024, along with the “humanoid
robots
”, the “low-altitude economy” was also inclu...[Details]
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Apple released the new iPhone 12 series of mobile phones today. For environmental considerations and other factors, the new phone packaging will no longer come with a power adapter or Lightning EarPo...[Details]
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DSP (Digital Signal Processor) is a unique microprocessor that processes large amounts of information using digital signals. Its powerful data processing capabilities and high operating speed are two...[Details]
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Absen disclosed information related to investor surveys. As for the reasons for the change in net profit in the first three quarters, it said that it was due to returning to and focusing on the Chine...[Details]
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According to news on October 25, at the Lenovo Technology World Conference held today, Lexi Valasek from Motorola's innovation research team showed off the latest version of the Moto flexible concept...[Details]
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//-----------------------Function declarationIIC common variable definition-------------------------------------------------------- #include reg51.h #include intrins.h sbit SDA=P1^0; // Set p1....[Details]
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Recently, GAC Group demonstrated its sponge silicon negative electrode sheet battery technology at its 2021 Investor Open Day event. The AION LX, a vehicle equipped with this battery technology, can ...[Details]
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DC-AC power supply (10kv) conversion circuit
As shown in the figure, LM555, R6~R9 and C1 form a multivibrator to generate a square wave pulse of about 15kHz. R7 and R9 are adjustable res...[Details]