LFB12402540080

"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]

1. Purpose         In actual product release, if the program stored in the MCU Flash is not protected, some illegal companies may read the program in the Flash through an emulator (J-Link, ST-Link, e...[Details]

In the actual project development process, hardware circuits often need to be modified, and the modified parts need to modify the driver. Thinking about the coming and going of such requirements is t...[Details]

1. Function prototype In the function library officially provided by STM32, you can find functions like HAL_Delay(). This function uses a timer to achieve a more accurate time delay and provides it...[Details]

The program got stuck during LCD initialization. Through hardware debugging, it was found that it was stuck in the Delay_ms() function. Going to the definition, it was found to be a macro definition ...[Details]

Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode.  Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows:  ...[Details]

　　Nowadays, everyone is saying that "technology is people-oriented". The essence of the development of technology is to serve the improvement of the quality of life of human beings. Automated driving...[Details]

In recent years, in order to meet the needs of social development, more and more companies have entered the fields of smart phones, artificial intelligence, VR , AR, etc. After seeing the d...[Details]

As cryptocurrency continues to gain popularity, a technology hidden behind it has attracted more attention from the world, that is the now hotly debated blockchain . Let's follow the embedd...[Details]

With the development of the automobile industry, more and more automotive electronic components are being used in modern cars, providing better safety, comfort and economy for cars. In the past, cars...[Details]

Mobile communication resale business means that enterprises can contract part of the communication network usage rights from basic telecommunications operators, repackage them into their own brands...[Details]

Household photovoltaic power stations mainly utilize idle resources on existing household buildings, such as roofs, wall facades, balconies, courtyards, etc., to install and use distributed photovo...[Details]

STM32 has 2 watchdogs: independent watchdog and window watchdog. Independent watchdog IWDG: A system fault detector that is independent of the system and is not affected by the system because it has ...[Details]

The calculation formula of the watchdog feeding time (watchdog overflow time) is: Tout=((4*2^prer)*rlr)/40 Tout is the watchdog overflow time (in ms), prer is the watchdog clock prescaler value (...[Details]

OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]