We can say that the program memory stores the soul of the microcontroller, which is the working program. The smallest one may be only 1KB (it can only hold 1024 8-bit data at most, because there are m...
I2C bus physical topologyThe I2C bus is very simple in terms of physical connection, and consists of SDA (serial data line) and SCL (serial clock line) and pull-up resistors. The communication princip...
[i=s]This post was last edited by sonicfirr on 2022-3-8 11:30[/i]1. Data acquisitionAfter studying other bloggers' articles and my own practice, I learned that there are many links to 86 Panel's mater...
Last time, I used the interrupt method to read the key code to improve efficiency, but there was also a small problem. After CH450 scans the key, it will pull down a low-level pulse on the INT pin. My...
2803x and 2806x use CAN communication for online program upgrade. The idea is that the program is divided into boot program and main program. The boot program jumps to the main program. Both programs ...
In order to accurately measure the AC/DC gain, input/output characteristic curve and other characteristic parameters in the digital BJT (Bipolar Junction Transistor) parameter test system, it is ne...[Details]
On April 10, according to Yonhap News Agency, South Korean President Yoon Seok-yeol stated at the "Semiconductor Field Pending Issues Meeting" held yesterday that the South Korean government plans ...[Details]
1 /****************************************************************************************** 2 * Function: CRC check function 3 * Function input: puchMsgg is the message to be CRC checked, usData...[Details]
Working Principle of AC Motor
AC motors have two main parts: stator and rotor. The stator is the outermost cylinder with many windings wound inside. These windings are connected to the externa...[Details]
The initialization of CAN2 is OK as per the previous blog post. Things that need to be modified: //Configure the filter CAN_FilterInitStructure.CAN_FilterNumber=14; Why do you want to modify th...[Details]
LED lighting driver power supplies on the market are usually divided into two types: two-stage architecture and one-stage architecture. The first-stage architecture directly converts the DC voltage an...[Details]
On April 18, 2024,
WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary Quan Ding launched a 240W PD3.1 ...[Details]
In this article, we take the key interrupt as an example (other interrupts are configured in similar ways): 1: First we should press the button to initialize, As can be seen from the figure above...[Details]
Spectrum analyzer is an essential instrument for measuring high-frequency signals and is widely used in the RF field. The most basic function of a spectrum analyzer is to discover and measure the fre...[Details]
With the development of LED technology, the application of LED has expanded from the traditional low-power portable product backlight to medium and high-power indoor lighting, outdoor lighting and...[Details]
On August 1, 2023, Dalianda Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market , announced that its subsidiary Shiping launched electric vehi...[Details]
On August 21, Shanghai Lingang Group sent a banner to State Grid Shanghai Electric Power Company to express its gratitude to State Grid Shanghai Electric Power for accelerating the implementation o...[Details]
This paper takes the STC12C5A60S microcontroller as the core and uses its internal two-way programmable counter array (PCA) modules to simulate the pulse width modulation method. It designs and imp...[Details]
Cheling Technology is headquartered in Hangzhou, with offices in Shanghai and Wuhan. It has more than 400 employees, 90% of whom are R&D personnel. On October 15, 2024, at the 2nd Great Wall Motor ...[Details]