Huada's MCU has an RTC, why doesn't it have an independent VBAT pin? ! It has to share it with VDD. Is it difficult to make one? I feel this is crap.
Originally, a button battery can keep the RTC runn...
[p=32, null, left][font=微软雅黑][size=3]The main purpose of participating in this event is to experience the use of touchgfx desinger software. [/size][/font][/p][p=32, null, left][font=微软雅黑][size=3]Thro...
10 rules for component layout: Follow the layout principle of "big first, small later, difficult first, easy later", that is, important unit circuits and core components should be laid out first. Refe...
The light intensity transmitter uses a silicon blue photovoltaic detector with high sensitivity to weak light as a sensor; it has the characteristics of wide measurement range, good linearity, good wa...
Phenomenon: The comparison threshold voltage is different, and the rate of change of the output voltage is different
The picture below is the circuit, R7 has been removed
The yellow line below is the ...
A potentiometer is a resistor element with three terminals and whose resistance value can be adjusted according to a certain law of change. A potentiometer is usually composed of a resistor body an...[Details]
1 Equipment Overview
The generator of a hydropower plant is a 300 MW mixed flow unit with a rated voltage of 18 kV. The generator-transformer protection adopts the wFB-805A microcomputer-based...[Details]
1 Introduction
With the rapid improvement of chip integration, an electronic system or subsystem can be fully integrated on a chip, and the IC industry has formed a design method based on syst...[Details]
Recently, I need to write a program for serial port communication, which requires the PC to input a message to serial port 1, and then the stm32 internally forwards the message through serial port 2....[Details]
I've been playing this a few days ago. Because of RAM read timing problems, because of proteus simulation problems... Even simple things can be delayed for a long time... Only the code is listed here...[Details]
According to foreign media reports, American heavy truck manufacturer Mack Trucks has launched the latest driver assistance technology - Mack® Command Steer for its Mack Anthem® model, which will be ...[Details]
1. Introduction
In today's information age, as people's requirements for system performance and cost control continue to increase, embedded systems have gained more and more favor with the...[Details]
Some soft PLC startup modes are divided into cold start, warm start and hot start. There are some instructions in the official help document, but they are directly translated.
In fac...[Details]
The I2C interface involves a total of 18 registers. Let’s analyze them in detail below. Let’s first look at the I2C configuration register CFG. The following table shows its entire bit structure. It...[Details]
Recently, the first sale of Huawei's router AX3 series that supports WiFi6+ achieved good results, exceeding 150,000 units, which can be said to have accelerated the popularization of WiFi6+. It is...[Details]
To fully exploit the design advantages at the system level, the three-level neutral point clamped (NPC) topology circuit, which was previously mainly concentrated in high-power applications, has re...[Details]
On August 14, according to the list published by the U.S. Trademark and Patent Office on August 13, Apple has obtained a patent related to a "ring", which focuses on linking devices such as Apple W...[Details]
one,
The interrupt process is not described in detail. The function is generally used for
Real-time handler : fast execution - interrupt keyboard
Time-sharing operat...[Details]
VHDL is a hardware description language developed with the development of programmable logic devices (PLD). It was part of the U.S. Department of Defense's VHSIC (Very High Speed Integrated Circu...[Details]
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