When I used AD software to design a 6-layer board, I found a phenomenon. My fourth layer is the POWER layer, which divides the system power supply. When I need to drill vias for network connection, I ...
I wrote a low-power program for STM32, using RTC to wake up, but I found that it never wakes up. Once I turn on DEBUG, when debugging in KEIL, if I set or stop a breakpoint, I can wake up. Strange:My ...
Since Huawei was first included in the Entity List in May 2019, the total number of Huawei subsidiaries included in the US "Entity List" has reached 152.
It's another restless night! Last night, the U...
Multifunctional debugging and testing assistant - complete PCB engineering package format description: protel99se [b][color=#ff0000] Friends who need it can directly take it to make a plate, but pay a...
(I) The compiler of c6x is "cl6x.exe". Method of use Cl6x [options] [filenames] Cl6x: Compiler Options: Compiler options Filenames: C or assembly source file Description: Compiler options are one or t...
Please help me!!! Urgent, urgent!!! :Sad: I programmed with msp430f1122, using IAR5.3 version, the emulator is from Lierda, the emulator is set to the right chip, and other settings are basically corr...
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]
This paper first proposed an elevator controller algorithm based on a finite state machine, and then designed a three-story elevator controller based on the algorithm. The correctness of the elevat...[Details]
Infineon's ICL8001G adopts a single-stage flyback and PFC controller with quasi-resonant operation mode, with a power factor greater than 98%, LED driver efficiency up to 90%, an operating voltage up ...[Details]
Conventional crystalline silicon solar cells are made on high-quality silicon wafers with a thickness of 350-450μm, which are sawn from pulled or cast silicon ingots. Therefore, more silicon materi...[Details]
“Productivity determines production relations, and the development of productivity determines the change of production relations”, yes, society is always full of changes, and advanced science and t...[Details]
introduction
Since the 1990s, with the continuous reduction of the feature line width of integrated circuits and the corresponding increase in chip density and operating frequency, reducing po...[Details]
0 Introduction
In daily life, single-chip microcomputers have been used more and more widely. It is small in size, light in weight, highly integrated, has strong anti-interference ability, and...[Details]
Abstract: Based on CPLD as the core, a manageable SAS hard disk backplane is designed. While conveniently replacing the faulty hard disk, it can indicate the working status of the hard disk by cont...[Details]
It is easy to design an EMI-compatible automotive switching regulator without a complete understanding of the complexities of EMI. This article will explore the basic factors for the successful imp...[Details]
(1) The ability of machines to establish communications
When the Universal SMT machine is just turned on, the machine state variable (INITCOMMSTAte) is set, and the machine attempts to establish c...[Details]
1 Introduction
With the increasing requirements of industrialization, the development of distributed systems and the need for communication between control equipment and monitoring equipment, m...[Details]
These signals are divided into low frequency and high frequency according to frequency, continuous and discrete signals according to time domain characteristics, and electrical signals and non-electri...[Details]
PCB Design
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