The clock synchronization is realized by two DP83640 chips, based on synchronous Ethernet mode. However, the two PPS second pulses always differ by a fixed value (4ns). I want to solve this problem th...
I am looking at the driver of DM9000A network card chip. I have some questions as follows: In netif.c. // Write 8-bit data void dm_outb(unsigned char out_addr, unsigned char out_data) { unsigned short...
Functions and features of electronic frequency dividers 1. Basic frequency division tasks Since there are many types of speakers now, the system should flexibly configure the functions and frequency d...
I downloaded uclinux-dist-200608...tar.gz, and the linux-2.6.x in it is not easy to use. When compiling gcc, it cannot find the header file. I saw that the header file claimed by arm-elf is small and ...
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
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]
When we travel in cities, we all find that electric vehicles have many advantages. As a means of transportation, they can also fulfill their mission well. Now, more and more residential communities...[Details]
Logic analyzers are widely used tools in digital design verification and debugging. They can verify the proper functioning of digital circuits and help users identify and troubleshoot faults. They ...[Details]
Amidst the wave of intelligent automotive transformation, advanced driver assistance is gradually emerging from cutting-edge technology into the mainstream, becoming a new frontier of industry comp...[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]
On August 21st, Zhiyuan Robotics revealed at its first partner conference that it expects shipments to reach thousands of units this year and tens of thousands next year. The company hopes to reach...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
Charging is a familiar process for new energy vehicles, and as a source of battery energy, charging piles are crucial. New energy vehicle charging can be divided into fast charging and slow chargin...[Details]
Electric vehicles are powered by electricity, and charging is a device that supplements the vehicle's energy source. It is common to need to recharge the vehicle when driving. But can you charge th...[Details]
During daily operation of an R-type power transformer, the voltage used varies as the equipment being used adjusts. This raises the question: can the transformer change voltage at this point? The a...[Details]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[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]
Automotive electronics systems are facing a dual challenge of functional safety and cybersecurity.
The NXP
S32K3
series MCUs utilize a deep protection system built with a Hardware Sec...[Details]
It’s a collaborative blueprint designed to address integration complexities and create scalable solutions through Arm’s automotive innovation ecosystem.
The transformation of future mo...[Details]