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1 Characteristics of switching power supply power transformer
The power transformer is a very important component in the switching power supply. Like ordinary power transformers, it also t...[Details]
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1 Description
Experimental platform: JZ2440
CPU: S3C2440
2 S3C2440 startup process
Figure 1 S3C2440A Memory Map after Reset
S3C2440 supports booting from a va...[Details]
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1 Introduction
Dynamic display usually uses a dedicated chip 8279 to expand the keyboard and LED display. This method can realize the interrupt mode or query mode input of the keyboard, but the siz...[Details]
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On January 13, the Zhejiang Power Grid Enterprise Supplier Conference with the theme of "Integrity and Quality, Building a New Business Ecosystem" was held in Hangzhou, with hundreds of supplier re...[Details]
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In the process of embedded development, multiple serial ports are often required for communication. Using the printf function is a good choice. It is convenient and practical after formatting the out...[Details]
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The STM32 timer is a powerful module, and the frequency of the timer is also very high. The timer can do some basic timing, and can also do PWM output or input capture functions. Clock source problem...[Details]
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Siemens and UMC collaborate on 3D IC hybrid bonding process Siemens Digital Industries Software has recently collaborated with semiconductor wafer manufacturing giant United Microelectronics C...[Details]
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According to the latest statistics from TrendForce's TrendForce subsidiary, TrendForce, the revenue rankings of the world's top ten IC design companies in the second quarter of 2019 are released. Aff...[Details]
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system requirement
Ultrasonic nondestructive testing has always been one of the important means of nondestructive testing technology. Due to the high-frequency characteristics of its signal and to re...[Details]
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I debugged the DMA working mode of USART6 yesterday, and I am posting this note today.
For the sake of brevity, the DMA of stm32 will not be introduced. If you don't know, you can search for it. Here...[Details]
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1. Hardware Schematic Diagram There are two LED lights D1 and D2, the corresponding PINs are PB6 and PB7 respectively, and the LED lights are lit when the level is low 2. Register Map The general...[Details]
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Cheryl Ajluni, director of industry solutions at Keysight Technologies Sustainability is a top priority for every organization today. Accenture data shows that one-third of Europe's largest compa...[Details]
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The DC current probe is an instrument used to measure the current of DC circuits. The product has stable performance, is easy to use, and has accurate measurement. It usually consists of a metal pi...[Details]
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A piece of code I wrote when practicing writing a socket communication program. I originally wanted to write a chat room, but the progress was stuck on the interface. The following sections are all th...[Details]
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Circuits using electronic operational amplifiers have high input impedance, high gain, and 100W output power when no transformer is used. They can be used in high-fidelity audio circuits, cathode-ray...[Details]