According to the manual, in USB host mode, there are 8 non-periodic transfer request queues. When the OTG CORE is initialized correctly and a USB device is found to be inserted, configure the OTG_FS_H...
Is there any voltage conversion chip that can switch from 3.3V to 1.8V or from 1.8V to 3.3V by controlling a certain pin, and is required to support at least 200M frequency? Is there any manufacturer ...
Introduction to Internet of Things Engineering by Zhiliang Wang from University of Science and Technology Beijing : https://training.eeworld.com.cn/course/4914Introduction to the Internet of Things, I...
How does listCtrl respond to click messages? When I use the LIST control, clicking on a blank space will also enter the currently selected item. That is, after selecting an item, clicking on another b...
In our common sense, the word technology often has two definitions. The first is the technology sealed in the laboratory. They are like flowers on the mountain top. Only a few people on the mountai...[Details]
China Energy Storage Network:
Blockchain + finance, blockchain + environmental protection, blockchain + insurance, even a roadside fried chicken shop is using the banner of blockchain + fried...[Details]
Function List and Notes (lower-level driver part) 1. IO port initialization: control IO and communication IO. Control includes power control, reset and low power mode. Communication is the serial po...[Details]
Serial Port: 一. USART_ITConfig(USART1, USART_IT_TXE, ENABLE): As long as the transmit register is empty, there will always be an interrupt. Therefore, if you are not sending data, turn off the tran...[Details]
When designing a product, if the application environment's requirements for power isolation are not considered, the product will be unstable due to improper design, and even high voltage may damage t...[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]
Photovoltaic inverters are the core equipment of photovoltaic systems. Their main function is to convert the direct current generated by photovoltaic modules into alternating current that meets the...[Details]
According to the description provided in the official manual of ST, it is not difficult to see that the ADC analog watchdog is actually that the user can set an upper and lower limit of the AD value...[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]
The first one is a DMA mode of multiple channel acquisition void ADC_DMA_Config(void) { ADC_InitTypeDef ADC_InitStructure; RCC_HSICmd(ENABLE); while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); ...[Details]
Internal channels of ADC: In addition to using external channels to collect external analog voltage signals, the ADC of STM32 also has two internal channels 16 and 17. Channel 16 is connected to ...[Details]
12864 LCD parallel port driver is more commonly used, but considering that sometimes the IO port of the microcontroller or MCU is limited, the serial driver method can be used. The following is ...[Details]
Requirements: Set timer T1 as an external event counter, count 500 pulses every time, then switch T1 to timing mode and output a positive pulse with a width of 10ms at P1.2. Over and over again. A...[Details]
stm32/stm8
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