It seems that I need to design my own DMA controller to perform DMA transfer in PCI master mode. I would like to ask the experts, how should I design this DMA controller? I don't have the source code....
[backcolor=rgb(252, 252, 252)][font=Verdana, Helvetica, Arial, sans-serif][color=#000000]I am a student. I bought a set of equipment for sale (a complete set) to do my graduation project. Later, the t...
Help: I am debugging a three-phase sensored hub motor based on FOC2.0 control, using the speed mode. The motor can run smoothly at a high speed, with large torque and strong anti-interference ability....
The figure shows a voltage-controlled voltage source second-order low-pass filter, where the R45 resistor is 4.7K, and other parameters are shown in the figure. The problem now is that the 3-pin input...
[i=s] This post was last edited by accboy on 2014-8-20 10:22 [/i] I am going to design a DC power supply, the most basic design. This software is really fast and the effect is also very good. I want t...
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
A patent disclosed by Ford proposes replacing traditional segmented side curtain airbags with integrated full-width side curtain airbags that span the side of the vehicle and can be deployed simult...[Details]
My career has been closely tied to the semiconductor industry. From product management to content marketing, I've provided countless forecasts and predictions across a variety of roles. Whethe...[Details]
From time to time, I see some audiophiles spending a lot of money or a lot of time to DIY speakers, but the results are not what they want. Below I list some of the small experiences I summarized b...[Details]
Bearing wear is a common equipment problem in the manufacturing industry. In today's world where controlling production costs is advocated, using repair technology to reduce the scrapping and repla...[Details]
EVTank predicts that all-solid-state batteries will achieve small-scale mass production in 2027 and large-scale shipments by 2030. Global solid-state battery shipments will reach 614.1GWh, of which...[Details]
No one expected that after about a day of downtime, four or five thermostats on the control panel would display four 0000s and flash. We knew it was caused by poor contact of the temperature sensin...[Details]
A graphics processor (GPU), also known as a display core, visual processor, or display chip, is a microprocessor specialized for image processing on personal computers, workstations, game consoles,...[Details]
From smartwatches to portable health and fitness trackers, wearable devices are increasingly transforming every aspect of our daily lives. The desktop computer revolution of the 1980s ushered in an...[Details]
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As the concept of "low-carbon travel and green environmental protection" becomes more and more popular, bicycles have become a crucial means of transportation. Currently, urban pu...[Details]
Charging is essential for electric vehicles. It's crucial for battery safety and range. When it comes to charging new energy vehicles, is it better to charge when the battery is almost empty, or to...[Details]
Why do automotive electronic circuit boards require reliability cleaning? Among the various electronic circuit boards that implement various functions, which ones require cleaning and which ones do...[Details]