Program function: Configure GPIO12 as interrupt input. When the button is pressed, a falling edge interrupt is triggered, and the interrupt service subroutine flips the LED.
Interrupt vector tableMain...
The Political Bureau of the CPC Central Committee held a meeting on May 31, which pointed out that further optimizing the birth policy and implementing the policy of allowing a couple to have three ch...
For a switching power supply engineer, PCB drawing is actually a crucial part that affects a product. If you cannot do a good layout, the entire power supply may not work properly, and the smallest pr...
NUCLEO_G431RB ReviewPlatform constructionI tried MDK514 before and found the same problem as http://bbs.21ic.com/icview-2861476-1-1.html?ordertype=1, so I downloaded the latest version of MDK528A dire...
[align=left][color=rgb(25, 25, 25)][font="]In the past two years, major mobile phone manufacturers have been enthusiastic about wireless charging. As of December last year, there were 135 mobile phone...
Jiwei.com reported that the preliminary round of the 2021 "Core Power" competition continues to be popular! On May 13, the latest preliminary round welcomed contestants from four hot tracks: fourth-g...[Details]
question: How do I write a C program to echo characters from an 8051 serial interface? answer: The functions _getkey and putchar use the on-chip serial port to perform serial I/O. These sub...[Details]
Micron recently held a ceremony to open the Fab 10A plant in Singapore. More than 500 people, including Micron CEO Sanjay Mehrotra, senior executives, partners, suppliers, and distributors, attended ...[Details]
The MCS-51 CPU checks each interrupt source sequentially in each machine cycle, samples and processes all activated interrupt requests in priority order in the state cycle S6 of each machine cycle, a...[Details]
On February 22, Wang Qisui, President of Gotion High-tech's China Business Unit, Xu Bangnan, Vice President, and Cai Yanan, General Manager of Liuzhou Gotion, visited the headquarters of SAIC-GM-Wu...[Details]
The following is a typical circuit using CX20106A as an ultrasonic receiving processor for reference. (When CX20106A receives a 40KHz signal, it will generate a low-level falling pulse at pin 7. This...[Details]
With the increase in the types of electrical equipment used in modern cars and the increase in power levels, more and more types of power supplies are required, including AC power and DC power. These...[Details]
introduce
What is the robustness, operating temperature range, and how does it handle high electrical noise? What about ESD and fault protection? These questions are not necessarily the first ...[Details]
Use STM32cube to configure the relevant pins and enable the Mass Storage Class function of USB The MSC_MEDIA_PACKET in USB_DEVICE can be set larger. Increasing the buffer can increase the speed. For ...[Details]
Since launching the iPhone 12 models last October, Apple has acknowledged that the devices could cause electromagnetic interference with medical devices such as pacemakers and defibrillators, bu...[Details]
On January 7, Aulton New Energy Automobile Technology Co., Ltd. (hereinafter referred to as "Aulton") and Shanghai Changlian International Logistics Co., Ltd. (hereinafter referred to as "Changlian...[Details]
In the use of data acquisition equipment and instruments with related functions, data storage and transmission is a very important link. Based on successful practice, this article introduces the use ...[Details]
The MAX5974_ is a wide-input voltage range, active-clamp, current-mode PWM controller that provides forward conversion for powered devices (PDs) in Power over Ethernet (PoE). The MAX5974A/MAX5974C are...[Details]
If you need to use a GPIO pin as both an input and an output, you can configure the pin as Output-OpenDrain.
At the same time, by connecting a pull-up resistor to the pin, it can be used as a (quasi)...[Details]
Servo hydraulic press is a hydraulic device that uses a servo motor to drive a hydraulic pump to achieve precise control of pressure, speed and position. It is widely used in metal forming, plastic...[Details]
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