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PB4 is a JTAG pin by default and is set in pull-up mode, so it cannot be directly used as a normal IO port to pull low. It can be reused as a SWD download method, so PB4 can be "saved" 1 (RCC_APB2...[Details]
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Not long ago, Samsung and Japanese mobile operator NTT Docomo released the Galaxy S21 Olympic Commemorative Edition to celebrate the upcoming Tokyo Olympics. Today, according to media reports, the ...[Details]
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The world today is facing two major problems: the oil energy crisis and environmental pollution. Energy and environmental issues have become important factors affecting the economic and social deve...[Details]
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For Apple, what they want to do may not be a technology company, but instead a company like Procter & Gamble. According to CNBC, Cook said in an interview: Buffett is very clear that he does ...[Details]
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The STC12C series enhanced MCU expands the functions of the basic 51 MCU on-chip, such as providing a PCA/PWM interface, and the timer can work in 1T mode (the clock of the basic 51 MCU is 12-divided ...[Details]
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Introduction
The general development process of ARM embedded system is: first write the program source code on the PC; compile and link it with the ARM cross compiler to generate an object file; the...[Details]
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CTC battery technology (full name: Cell to Chassis, battery-body integration technology, hereinafter referred to as CTC) has become a hot topic recently.
In September 2020, Tesla first r...[Details]
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Yesterday, the news in the power battery industry was that CATL's EVOGO launched a battery swap service brand and a combined battery swap overall solution. That is to say, CATL, through its wholly-ow...[Details]
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1 NAND FLASH
NAND has fast write-back speed, small chip area, and especially large capacity, which makes it have obvious advantages. Page is the basic storage unit in NAND. One page is generally 5...[Details]
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There are many methods to protect three-phase motors from phase failure. Some use the principle that voltage changes when the phase is broken, and some use the principle that current changes. This ...[Details]
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Earlier, it was reported that Konjac Technology, a company in Xiaomi's ecological chain, is planning to launch an e-cigarette brand. The company's founder is Zhong Yufei, a top 25 employee of Xiaomi....[Details]
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Test platform: Mini2440 Sonic X35 Lcd Linux-2.6.29 u-boot 2008.10 Experimental thoughts: Speaking of this screen, it is really laborious. The LCD schematic diagram is different from others, and the...[Details]
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Today, I learned the course of undefined instruction exception of jz2440 development board. After following teacher Wei Dongshan to write code, compile and burn, the program teacher could not run nor...[Details]
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On October 22, Yingtong Communications released its third quarter performance report. Data showed that Yingtong Communications achieved revenue of 361 million yuan in the reporting period, a year-on-...[Details]
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On October 24, 2024, WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market,
announced that its subsidiary Youshang has launched a 30kW V...[Details]