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Today I debugged the DMA part of STM32. It was my first time to use this part. The 8-bit microcontroller did not have this function. I felt it was very mysterious at first, so I studied it with awe. G...[Details]
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Today, Samsung officially released its 5G mobile device processor - Exynos980. An industry insider revealed a big news, that is, this processor has won the favor of the four major Chinese mobile phon...[Details]
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U.S. semiconductor company Xilinx said on Wednesday it had secured a deal to supply 5G network equipment chips to Samsung, Reuters reported. Xilinx makes programmable chips for telecom equipment an...[Details]
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#include
#define uchar unsigned char
//f=11.0592
void delay(uchar ms) //about n (ms) delay
{
int i;
while(ms--)
{
i=97;
while(i--); //Loop once for abou...[Details]
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The White House official website issued a statement on September 13 that US President Biden will host the first "Quadrilateral Security Dialogue" leaders' summit at the White House on September 24. A...[Details]
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System structure and control principle Boost + full-bridge inverter and output LC filter is one of the most commonly used topologies for high-power programmable AC power supply. As shown in Figure...[Details]
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The negative electrode of a lithium-ion battery is made of a mixture of negative electrode active carbon material or non-carbon material, adhesive and additives, which is evenly applied to both sides...[Details]
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More and more iPhone X users are complaining that their devices are getting closer to the limit of serious battery aging and need to find a replacement battery as soon as possible. The iPhone ...[Details]
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introduction
随着对大功率低电压本安电源的需求增大，基本本安Buck变换器就需要进一步提高输出功率。但是要想提高输出功率，增大输出电流，可以使变换器输出端电感电容的容量增加，但是这样很容易引燃爆炸性气体，降低本质安全性能；再者可以通过提高开关频率来实现，一方面能够减小为满足输出纹波电压要求所需的电感和电容取值，因此也有利于本质安全，但另一方面提高开关频率却降低了变换器的效率，...[Details]
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On December 27, staff were cleaning the solar power generation equipment in the station. On the same day, the first digital substation in East China, the Hefei 220 kV Botanical Garden Substat...[Details]
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In order to ensure that lighting-grade white light LEDs can not only be well applied but also achieve high utilization efficiency, first of all, it is necessary to meet certain application conditio...[Details]
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Superior Essex Inc. (Superior Essex, parent company of Essex Magnet Wire) and Furukawa Electric Co., Ltd. (Furukawa Electric), two leaders in magnet wire product development and customized solutions...[Details]
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Since I couldn't find the relevant program after searching for a long time, I posted the program I wrote later, hoping to provide reference for later users! ; Experimental purpose: Familiar with the ...[Details]
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Since CD players have been popular for many years, many families already have a stereo Hi-Fi stereo system. It is quite simple to upgrade it to a home theater. As long as a decoder is configured, the ...[Details]
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Since the 1990s, the national telecommunications department has gradually accelerated the requirements for network management of communication equipment, requiring that all equipment that constitute...[Details]
GD32 MCU
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