Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
I drew an FPGA development board myself, but when AD was automatically routing, I felt that the layout was unreasonable, so I stopped, resulting in network damage. Is there any expert who can give me ...
Hello, experts! Some of the circuits I drew below are ones I have seen and used, and some are just impressions. I don't know if there are any of these circuits. I just want to know if the sound qualit...
In the new version of ESP series firmware (v1.11, including ESP8266 and ESP32), you can access rtc memory. For example:import machinertc = machine.RTC()
rtc.memory('12345')
rtc.memory()This content is...
We are doing a course design on single-chip microcomputers and need to use this chip. I have been looking for relevant information for a long time but cannot find it. If anyone knows, please help expl...
GPIOPinIntDisable: Disable a certain pin interrupt;
Function prototype:voidGPIOPinIntDisable(unsigned long ulPort,unsigned char ucPins)
Parameters: ulPort : GPIO port address
ucPins: A specific pin co...
Independent key debounce I. Introduction to independent keys The mechanical keys we use have a physical characteristic that they will jitter for 5~10ms when pressed. When we want to use keys to contro...
Wang Xiaochuan, the "Wudaokou Goalkeeper", is going through a level that he has never gone through before. For example, Sogou's (NYSE: SOGO) financial report, artificial intelligence, and the futur...[Details]
In the past few days, the Chinese display panel giant
BOE
has been flooded with articles supported by Liu Shuwei. Let's follow the embedded editor to learn about the relevant content.
...[Details]
Unique device identifiers are suitable for: ● Used as a serial number (e.g. USB string serial number or other terminal applications) ● Use the unique ID as a security key when used in conjunction wit...[Details]
1. Basic Concepts of LCD/LCM The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires between...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
Introduction: As a power electronic device, the photovoltaic inverter mainly converts the direct current generated by the photovoltaic module into alternating current. Because there are thousands o...[Details]
The pins of stm32 have two uses: GPIO (general purpose io) and AFIO (alternate function io) For some pins (depending on the chip), neither of these two uses exists. For example, in 64-pin products, O...[Details]
I have encountered many problems when tinkering with LD driver recently. I will record them one by one below. Otherwise, who will remember who in five hundred years? 1. Configuration issues of multi-...[Details]
Each I/O port of the AVR microcontroller corresponds to three registers: DDRx, PORTx and PINx, where DDRx is the data direction, i.e. input or output; PORTx is the state of the internal pull-up r...[Details]
On June 26, 2017, China's new generation of high-speed rail "Fuxing" realized its first two-way service between Shanghai and Beijing, with a maximum speed of 400 kilometers per hour and a standard ...[Details]
This design is intended to take advantage of the above favorable conditions and propose an image acquisition solution based on the TMS320C6x11 series DSP. By taking advantage of the uniformity of...[Details]
5.1. Usage of EM78 series 8-bit microcontroller special instructions 5.1.1. Table Lookup Instructions and Usage The EM78 series 8-bit microcontroller uses three steps to look up the table: (1) "call"...[Details]
On the 25th, Qualcomm held a technology summit in Beijing, inviting almost all important Chinese partners in an extremely rare "show", including SMIC, China Mobile, Lenovo, Xiaomi, OPPO, vivo, ZTE ...[Details]
Regulations and standards are yet to be improved, the public does not pay enough attention to security issues, enterprises strictly control production costs, and have relatively weak security awarene...[Details]
PCB Design
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