"sin.asm", WARNING! at line 1013: [W0000] Defined symbol '_FPUcosTable' cannot have a .ref .ref _FPUcosTable What does this warning mean? How can I fix it?...
After the AD software was upgraded to AD17 and AD18, some customers still used the Keep-Out layer to draw the shape or mechanical holes (strip slots) with the software drawing board. When it is opened...
Hello everyoneI am using ccs3.1, why can't I write Chinese comments directly in it? Comments can be written in English or numbers.Also, only 2407.h (I use 2407) can be automatically added to the inclu...
I am currently working on my graduation project, but I have encountered some problems. Please come and help me.
Below is my program
ORG 0000H LJMP MAIN ORG 0003H ;External interrupt 0 entry (night mod...
According to the analog electronics book edited by Kang Huaguang, when designing an op amp circuit, the resistance of the op amp peripheral circuit is generally in the kilo-ohm level. However, in vari...
I want to ask, I am doing simpliti communication, the node has always sent data to the gateway, but I have never tried to send data from the gateway to the node. I don't know which god knows the under...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
DSP and ARM Processors
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