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Global tablet shipments fell 12% year-on-year, Lenovo grew 2%, Apple fell 2%, and Samsung fell 3% The COVID-19 outbreak hampered China’s supply chain as well as domestic consumer demand in China, w...[Details]
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Working principle of split-phase single-phase motor
The split-phase single-phase motor uses a capacitor or resistor in series with the inductive starting winding to play a phase-shifting role,...[Details]
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In the process of voice transmission, voice enhancement schemes are often used. It uses FEC coding technology (composed of convolutional coding and Viterbi decoding algorithms) for data transmission, ...[Details]
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According to domestic car owners, the 2022 Tesla Model 3 rear-wheel drive version they just picked up has been replaced with an AMD Ryzen chip. If nothing unexpected happens, this year's Model 3...[Details]
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Recently, an investor asked Han's Laser on an interactive platform, "Can the company's ultraviolet laser be used in lithography machines?" In response, Han's Laser said, "The company's lithography ma...[Details]
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Recently, there was news that OPPO will soon release the OPPO A93 5G mid-range phone in China. Recently, the official pictures and specifications of this phone have appeared on e-commerce websites. ...[Details]
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Under the appearance of sufficient supply of many automotive chips, the problem of insufficient supply of some core chips is still affecting the automotive industry. This structural shortage is expec...[Details]
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This section will use the large-scale integrated circuit DAC0831 to realize D/A conversion, and introduce the DAC0832 pin diagram and interface circuit. ADC0809 is used to realize A/D conversion. 1. ...[Details]
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On December 18, the 2019 Xi'an Integrated Circuit Industry Summit was held. At the meeting, SMIT Group (Shenzhen) Co., Ltd., AMEC (Shanghai) Co., Ltd., Shaanxi Semiconductor Pioneer Technology Center...[Details]
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As liquid crystal displays are increasingly used in daily life, the variety and demand of its core component, the LCD control drive circuit, are also increasing. Usually, the test of the LCD control ...[Details]
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1) "File inclusion" processing concept The so-called "file inclusion" means that all the contents of another file are included in one file. Because some definitions and commands in the included f...[Details]
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;Module name: ST7920 controller NS12864R
;Function description: Display of Chinese characters in the library
;***************************;
; NS12864 display program (Chinese characters in the libr...[Details]
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On the morning of September 13, Apple's fall conference is about to be held. Mig Chi Kuo, an analyst who focuses on Apple's industrial chain, once again released a research report, predicting w...[Details]
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// Parameter: wAddr is address, range 0x1000~0xFFFF
void ReadFlash(U16 wAddr,U8 *bBuf,U8 bLen)
{
while (bLen--)
*bBuf++=*(U8 *)wAddr++;
return;
}
void WriteFlash(U16 wAddr,...[Details]
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background
It is related to the production environment of the company. I don't want to burn nand flash under uboot every time. I also think that the method of upgrading with USB disk is slow. ...[Details]
Automotive Electronics
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