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We often see different expressions such as ARM7, ARM9, ARM11, and armv6k. And in GCC compilation, we often use -march, -mcpu, etc. What do they mean? Sam himself is not very clear, but he has a vague...[Details]
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For each function, there are floating-point and fixed-point types. Since the usage is the same, we only use 32-bit floating-point numbers as an example here. 一.BasicMathFunctions 1. Absolute valu...[Details]
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According to the latest news from foreign media, Apple is about to launch an interesting new product, which may become an optional accessory for the new Apple TV in 2020, helping to increase the...[Details]
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——Interview with Wang Yang, Chief Engineer of Information and Communication Research Institute of China Electric Power Research Institute Co., Ltd.
Text/Reporter Wang Weimin
This year is ...[Details]
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Introduction: Frequent automobile information security incidents have made the security situation in the automobile industry increasingly tense. These automobile network security attacks may affect...[Details]
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Interrupt system process analysis: asm_do_IRQ(unsigned int irq, struct pt_regs *regs) handle_IRQ(irq, regs); generic_handle_irq(irq);/*Garmen: perform general interrupt processing*/ stru...[Details]
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The voltage stabilization principle of the Zener diode:
The characteristic of the voltage zener diode is that after breakdown, the voltage across its two ends remains basically unchanged. ...[Details]
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Lantronix (NASDAQ: LTRX), a provider of secure data access and management solutions for the Industrial Internet of Things (IoT), announced that it has completed its acquisition of all of the outstan...[Details]
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On September 3, the official WeChat account of "Nanjing Release" published a blog post on September 1, reporting that the National Third Generation Semiconductor Technology Innovation Center (Nanji...[Details]
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The biggest advantage of the clamp ammeter is that it can measure current without power failure. Clamp ammeters are mainly divided into two categories: pointer type and digital type. Clamp ammeters c...[Details]
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Desk lamps are a type of lighting product that we commonly use. Traditional desk lamps are manually controlled by pressing buttons. However, nowadays, with the continuous improvement of science and...[Details]
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#include reg52.h #include intrins.h //Call library function #define uint unsigned int #define uchar unsigned char void delay(uint); //delay function uchar a,b; void main() { a=0xfe; while(1) { P...[Details]
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In today's society, optoelectronic technology has been widely used, especially in optical fiber communication technology, remote control technology, radar detection technology, automatic contr...[Details]
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At the ROG 2019 new product launch conference, ASUS released three high-end gaming solutions including PC games, console games and mobile games. In addition, there are also the latest ASUS X570 serie...[Details]
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The development of fast charging technology continues to break through the power limit. As the power increases, the temperature rise effect of the chip becomes more significant, and the heat loss i...[Details]