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To analyze the boot process of arm2440, we must first understand the hardware configuration of arm2440. There is no storage chip in the arm2440 CPU, except for a 4kb SRAM (static memory can run progr...[Details]
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In August this year, Google launched its new Pixel 4a smartphone, and announced that it will launch a 5G version of the phone and a higher-end Pixel 5 in the coming months. Currently, these two unrel...[Details]
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When it comes to the main geographic areas for solar energy use, people always think of hot deserts. Generally speaking, the conversion rate of solar photovoltaic power generation decreases with de...[Details]
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The current and future carrier and bandwidth requirements of wireless air interfaces pose a challenge to 3G base station OEMs, who must choose a platform that can quickly meet the processing requir...[Details]
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As people are becoming more and more environmentally conscious, energy conservation is not just a hot topic, but also a practical action project for important regulatory agencies and leading manufa...[Details]
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Abstract: ISDN, telecommunications, and other systems require a negative current-sense amplifier. This application note describes a method for designing a negative current-sense amplifier. This m...[Details]
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0 Introduction The electric vehicle seesaw problem to be solved in this system design requires that the electric vehicle can reach the center point C of the seesaw within the specified time and ...[Details]
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STM8 common interrupt instructions Open the total interrupt _asm("rim"); Disable interrupts _asm("sim"); Entering shutdown mode _asm("halt"); Interrupt return _asm("iret"); Waiti...[Details]
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Switching power supplies have become increasingly popular due to their small size, light weight, and high efficiency. MOSFET has become one of the most commonly used power switching devices in swit...[Details]
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Figure 1 is a typical OTL circuit. C1 in the circuit is called a bootstrap capacitor. What is its role in the circuit? For the convenience of analysis, Figure 1 is simplified as Figure 2.
I...[Details]
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China's leading EDA company, Coreplus Semiconductor Technology Shanghai Co., Ltd. (Coreplus Semiconductor), announced that its China headquarters office has officially moved to a new address. This mo...[Details]
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With the development of smart sensors and domain controllers in automotive electronics, a few months ago, our leader asked us if we could make the BMS as small as a mobile phone. This question is act...[Details]
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2.4 Fingerprint Image Quality Analysis According to the image quality judgment conditions, the quality assessment parameter Q is compared with the threshold TQ. If Q≤TQ, it means that the image qua...[Details]
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Last year, OPPO launched its first smartwatch product. At that time, among a number of domestic smartwatch products, it was one of the few products that could be described as "exquisite". 16 ...[Details]
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1. System clock configuration STM32 has multiple clock sources, namely HSI, HSE, LSE, and LSI. HSI Oscillator Clock: The default clock when the system is powered on is the internal oscillator 8MHZ, w...[Details]
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