Since the birth of MCU in the 1970s, the technology for cracking chips and the solutions to prevent chip cracking have been a constant pursuit of “the higher the road, the higher the devil,” with a never-ending competition. This article shares the development history of microcontrollers in terms of security protection, and at the end … Read more
Follow+Starred Public Account, don’t miss the exciting content Source | IoVSecurity Compilation | strongerHuang Since the birth of MCUs in the 1970s, the technology for cracking chips and the solutions to prevent chip cracking have been in a constant chase of “the higher the road, the higher the devil,” with each mountain being higher than … Read more
Personal Introduction: I am a graduate student majoring in Communication and Information Systems. My research focuses on intelligent optimization algorithms, drone trajectory planning, fine-tuning large language models, and deployment in specific scenarios. If you have any programming questions or customized needs, feel free to contact me through my public account. 1. Introduction Recently, I received … Read more
1. Introduction to Exceptions and Interrupts and Their Handling Process 1.1 Interrupts in Daily Life Suppose there is a large room with small rooms inside, a baby is sleeping, and his mother is reading outside. Question: How can the mother know when the child wakes up? 1. Open the door once in a while to … Read more
MizuiroBOX Season 2 – Episode 33 So, what kind of optical modem do you have at home? There are many types of optical modems, some with strong performance and some with weak performance. However, most modern optical modems perform decently, typically at least dual-core Cortex-A9 or A53 level (in fact, there is not much difference … Read more
A Moment of Science · Nov 4, 2024 (Yaël Ksander) What do passports, driver’s licenses, and class pictures have in common? Bad smiles, of course. There’s just nothing even remotely amusing about waiting in line for two hours at the DMV or the passport office. So when it’s finally time to take a picture, the … Read more
Written by︱Wang Jiaqi, Hong Xiangfei Editor︱Wang Sizhen Compiled by︱Yang Binwei Humans can actively shift their visual attention to any position different from the point of gaze, which effectively facilitates the processing of information at the attended location while inhibiting the processing of information at non-attended locations[1,2]. The lateralization of the alpha rhythm in the occipital … Read more
As the selection of automotive-grade chips shifts from foreign manufacturers’ monopoly to gradually introducing domestic chips, a batch of chip products that can achieve domestic substitution has emerged. The automotive-grade industry has higher stability requirements for chips than consumer and industrial products, so the selection of automotive-grade chips needs to consider more factors, including technical … Read more
Click the blue "Arm Selected" at the top left corner and select "Set as Star" 1. Background: With the advancement of technology, the trend for security needs is becoming increasingly evident. ARM has been continuously adjusting and updating its new architectures, many of which are related to security. Below are some architectures related to security … Read more
Significant Improvements in the Big Core Regarding the Cortex X3, I had seen someone mention that it is a product of the Sophia team, a newly developed architecture that is different from X1/X2, and I have always been skeptical about it. It seems to be true now. When X2 was released, I thought that with … Read more