Popular Microcontrollers of the Past

Popular Microcontrollers of the Past

01 Speaking of microcontrollers, we cannot avoid the 51 series. I remember the first microcontroller I encountered in college was the AT89C51. I believe many people started learning about microcontrollers from here, right? Of course, the AT89C51 is rarely used now. However, another brand of the 51 microcontroller is still very popular, which is the … Read more

National Technology N32 Series MCU Supports Automotive EDR Applications

National Technology N32 Series MCU Supports Automotive EDR Applications

Industrial Policy Drives the Large Market for Automotive EDR The Equipment Industry Development Center of the Ministry of Industry and Information Technology released a notice regarding the implementation of GB7258-2017 Amendment No. 2, supplementing the “Technical Conditions for the Safety of Motor Vehicle Operations”. It clearly requires that starting from January 1, 2022, all newly … Read more

Dual-Core STM32H7: The Pinnacle of Cortex-M MCU Performance

Dual-Core STM32H7: The Pinnacle of Cortex-M MCU Performance

In the field of embedded MCUs, CoreMark is a well-known method for measuring MCU performance, and the CoreMark score often becomes an important indicator for evaluating the performance of a certain MCU. Recently, STMicroelectronics launched the new generation STM32H7, which set a record for Cortex-M general-purpose MCUs with a score of 3224 in CoreMark, becoming … Read more

Fingerprint Recognition System Using MCU

Fingerprint Recognition System Using MCU

With the popularity of fingerprint recognition on smartphones, fingerprint recognition technology is being applied in more and more scenarios. In addition to mobile applications, it is also gradually popularized in embedded scenarios such as mobile payments, access control systems, and smart homes. In terms of system implementation, smartphones themselves have powerful computing capabilities and rich … Read more

Assembly Optimization of AES-128-CTR Algorithm Based on Cortex-M4

Assembly Optimization of AES-128-CTR Algorithm Based on Cortex-M4

Computer Science Assembly Optimization of an AES-128-CTR Algorithm Based on a Cortex-M4 Core Dongxuan YANG1, Ganggang ZHANG2, Xinliang LIU1 1. School of E-commerce and Logistics, Beijing Technology and Business University; 2. Digital Campus, Capital Normal University Abstract: With the rapid development of the Internet of Things, embedded hardware products face great challenges in data security. … Read more

Cortex-M4 High-Performance Industrial Microcontroller MCU

Cortex-M4 High-Performance Industrial Microcontroller MCU

[Field] Core Electronic Components [Central Enterprise Name] China Electronics Corporation [Technical Product Introduction] The Huada Semiconductor Microcontroller MCU features high reliability, making it particularly suitable for applications in harsh working environments. It is a core component for small system control in industrial, communication, transportation, and energy sectors. This technical product has been widely used in … Read more

Remote Control Irrigation System for Tea Gardens Based on STM32

Remote Control Irrigation System for Tea Gardens Based on STM32

Remote control irrigation system for tea gardens based on STM32 Authors:XU Weihai, ZHANG Wu, ZUO Guanpeng, ZHANG Chao, YAO Yuqing, FENG Jinlei, MIAO Benben (College of Information and Computer, Anhui Agricultural University, Hefei, Anhui 230036) Abstract To accurately detect the water needs of tea trees during their growth and to automatically control precise irrigation in … Read more

Hardware Security of CMOS Technology

Hardware Security of CMOS Technology

Abstract As with electronic systems and integrated circuits, traditional hardware security has developed around the dominant CMOS technology. With the rise of various emerging technologies, the primary goal is to overcome the limitations of CMOS technology in scalability and power consumption, thus creating unique opportunities for improving hardware. This article will provide a comprehensive introduction … Read more

CSI NN: Reverse Engineering Neural Network Structures via Electromagnetic Side Channels

CSI NN: Reverse Engineering Neural Network Structures via Electromagnetic Side Channels

Abstract Machine learning has become a mainstream solution applied across various industries. In this work, we investigate how to use side-channel information such as timing and electromagnetic (EM) emissions to perform reverse engineering of neural networks. To this end, we consider multilayer perceptrons and convolutional neural networks as the choices of machine learning architecture, assuming … Read more