HE722R0511

In 2017, Sanan Optoelectronics achieved sales revenue of 8.394 billion yuan, operating profit of 3.856 billion yuan, and net profit attributable to shareholders of the parent company of 3.1...[Details]

For 80,000 ZTE (000063.SZ) employees and more Chinese ICT (information and communication technology) industry practitioners, the news from across the ocean on the evening of April 16 kept t...[Details]

"Originally, there are many people who can design very good chips , but the market does not give domestic chips the opportunity to iterate, and domestic companies cannot give engine...[Details]

In the actual project development process, we often need to get the running time of a section of code. The usual method is to use an oscilloscope to measure it. This blog post will use SysTick to acc...[Details]

1. About FPU transplantation As long as the chip has FPU function, the use of FPU is generally enabled by default. You can also select it in the Options tab;  2. About the transplantation of DSP li...[Details]

I used STM32CubeMX V4.22.1 to generate a project including EHT and Lwip. The debugging has been abnormal. After careful inspection, the following problems were found: 1. The hardware uses LAN8720A, b...[Details]

Timing and protocol are two key points in digital system debugging, and they are also where logic analyzers can play their most valuable role. How can we use a logic analyzer to quickly complete wiri...[Details]

STM32 has three startup modes. In RM0008 downloaded from the ST official website, you can find the startup-related configuration instructions: Translated into Chinese: The storage media corresp...[Details]

1) ADC multi-channel acquisition: (Multi-channel acquisition must use scanning mode. In scanning mode, the channels of the rule group share a register, so DMA transmission must be used; to prevent da...[Details]

/* Unfortunately, it cannot generate a standard 38kHz frequency square wave, there is a little error*/  #include reg51.h #define uchar unsigned char #define uint unsigned int  sbit Waveout=P1^0; //P...[Details]

In the packaging process of a production line, every time the conveyor belt of the production line delivers a product to the packaging machine, the "SP" terminal outputs a pulse to the T1 terminal of...[Details]

As shown in the figure, the circuit is required to count and display the number of times the button is pressed. When the button is pressed once, the count value increases by 1 (it is required to accu...[Details]

Semiconductor giant Intel has launched the desktop version of the 8th generation Coffee Lake architecture Core processor more than a month ago, and its performance is said to be 30% to 40% ...[Details]

On January 30, the Tai'an Sports College coal-to-electricity thermal storage heating project designed and constructed by Shandong CITIC Energy successfully passed the acceptance. The acceptance tea...[Details]

Recently, the 2017 Review and 2018 Outlook Seminar of the Photovoltaic Industry was held in Beijing. Sungrow, a powerful inverter technology company, was invited to attend the seminar. With 20 year...[Details]