Year: 2025

What is the Meaning and Role of TrustZone in Cortex-M85 (RA8) Microcontroller?

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What is the Meaning and Role of TrustZone in Cortex-M85 (RA8) Microcontroller?

Follow+Star Public Account Number, don’t miss out on exciting content Author | strongerHuang WeChat Public Account | strongerHuangTrustZone, translated as: secure zone, trusted zone.TrustZone is a hardware-level security technology introduced by ARM, aimed at providing stronger security protection for embedded systems by isolating sensitive resources from non-secure operations.The latest Arm Cortex-M85 core includes TrustZone functionality, … Read more

South Korea’s Bold Bet on AI Chips

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South Korea's Bold Bet on AI Chips

This article is from the WeChat public account:Semiconductor Industry Observation (ID: icbank), Author: Du Qin DQ, Original Title: “This Country’s Bold Bet on AI Chips”, Cover Image from: Visual China When mentioning South Korea’s semiconductor industry, one can hardly find another internationally renowned chip company besides Samsung and SK Hynix in recent decades. Especially in … Read more

Tutorial on Renesas RA8 Series | Description of SysTick Usage in RA8 Microcontroller

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Tutorial on Renesas RA8 Series | Description of SysTick Usage in RA8 Microcontroller

Each Cortex-M core integrates a SysTick module, as this module is an essential (timer) function for microcontroller projects.Whether it is the latest Cortex-M85 core or the classic Cortex-M3 microcontroller, the SysTick module is integrated. cm3.h and cm85.h Microcontroller developers are most familiar with the core_cm3.h (core_cm85.h) files, which define most of the content related to … Read more

Renesas RA8 Series Tutorial | Methods to Run RTOS on RA8 Based on e2s

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Renesas RA8 Series Tutorial | Methods to Run RTOS on RA8 Based on e2s

Following the previous article titled “Renesas RA8 Series Tutorial | Configuration of RA8 Serial Output Based on e2s“, today we will teach you how to quickly set up a FreeRTOS project.In the past, software tools were not as mature, and setting up a FreeRTOS project required manual porting step by step. Many users complained that … Read more

GUC Creative Electronics Announces Successful Tape-Out of the World’s First HBM4 IP

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GUC Creative Electronics Announces Successful Tape-Out of the World's First HBM4 IP

On April 2, GUC Creative Electronics, a Taiwanese chip service company with over one-third ownership by TSMC, announced the successful tape-out of the world’s first HBM4 IP (including controller and PHY physical layer) using TSMC’s advanced N3P process and CoWoS-R advanced packaging. GUC’s HBM4 IP supports data transfer rates of up to 12Gbps. Compared to … Read more

Practical Guide to Achieving 10x Inference Speed with YOLOv5: Model Deployment Using TensorRT on Jetson NX

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Practical Guide to Achieving 10x Inference Speed with YOLOv5: Model Deployment Using TensorRT on Jetson NX

Follow our public account to discover the beauty of CV technology This article is adapted from the Frontier of Aerial Robotics, authored by Liang Jiachen, an engineer at Westlake University. With the continuous improvement of computing power and the growth of data, deep learning algorithms have made significant advancements. These algorithms are increasingly applied across … Read more

Finally! Circuit Board Prices Have Increased~

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Finally! Circuit Board Prices Have Increased~

Recently, the price increases have been like a relay race: first the board materials increased, then the ink prices went up, followed by packaging materials, and finally auxiliary consumables… The price hikes have left some circuit board manufacturers disheartened, hesitant to accept new orders due to the lack of profit, and even potential losses. Even … Read more

DIY PCB Fabrication Using Acid Etching: A Step-by-Step Guide

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DIY PCB Fabrication Using Acid Etching: A Step-by-Step Guide

Abstract: This article introduces a very old PCB manufacturing process – the etching method. The advantages of this process include low cost and short time. However, there are also significant drawbacks, such as the complexity of making double-sided boards and environmental concerns! The specific manufacturing method is as follows: Designing the PCB 1. Design the … Read more

Latest ACS from Wang Hongqiang’s Team: Synergistic Interfacial Dipole and π-Conjugation Effects Enhance Efficiency of Tin-Based Perovskite Solar Cells

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Latest ACS from Wang Hongqiang's Team: Synergistic Interfacial Dipole and π-Conjugation Effects Enhance Efficiency of Tin-Based Perovskite Solar Cells

Main Content Tin-based perovskite materials are regarded as a brilliant new star in the field of perovskite solar cells (PSCs) due to their excellent performance and lead-free environmental characteristics. However, despite significant achievements in bulk material optimization, the interfacial issues between tin-based perovskite and the charge transport layer remain a key factor limiting further enhancement … Read more

Career Directions and Prospects in Communication Engineering: Graduates Earning Over 300K? Key Opportunities You Must Know!

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Career Directions and Prospects in Communication Engineering: Graduates Earning Over 300K? Key Opportunities You Must Know!

Hello everyone, today we will discuss the “jack-of-all-trades” major of communication engineering. What are the high-paying and in-demand career directions? With 5G, 6G, IoT, AI… opportunities are emerging one after another. How can communication engineers seize these opportunities and double their salaries? 1. Core Career Directions in Communication Engineering As the “cross-disciplinary king” in engineering, … Read more