Year: 2025

In this era filled with innovation and challenges for developers, debugging embedded systems has become a standard skill in our daily toolkit. Today, we are going to talk about the protagonist—pyOCD, a powerful tool designed for developing Arm Cortex-M microcontrollers. Whether you are an experienced technical expert or a novice just getting into microcontroller programming, … Read more

ver0.3 Introduction In the grand world of ARM memory, the topic of attributes is not the brightest star, just like you and I in front of the screen, living ordinary lives in this vast world. Even if “the husband may not be able to afford it, today we meet without wine money,” do not be … Read more

Recently, I started updating a series of articles on the Cortex-M3 core microcontroller, which will involve basic knowledge of assembly, analysis of startup processes, map file analysis, etc. I will continue to update, and I welcome everyone to follow. This article is the third in the series. Part One: Section Cross Reference – Analysis of … Read more

Recently started updating a series of articles on Cortex-M3 core microcontrollers, which will involve basic knowledge of assembly, analysis of the startup process, map file analysis, etc. Further updates will continue, and friends are welcome to follow. This is the fourth article Other already updated series articles include 104, 61850, etc., welcome to read. Variable … Read more

Armv9-A was launched in March 2021, representing ARM’s vision for the next decade of 300 billion chip computing platforms. Last time we discussed some key extensions added in Armv9-A, such as Privileged Access Never [PAN], Pointer Authentication Code [PAC], and Branch Target Identification [BTI]. However, from Trustonic’s perspective, the two most important features of Armv9-A … Read more

1. Introduction The Cortex-M processor series is based on the M-Profile architecture, providing low-latency and highly deterministic operations for deepembedded systems. Our latest generation Cortex-M processor is the Cortex-M55. The Cortex-M55 is the first processor based on the Armv8.1-M architecture, utilizing the vector processing extension Arm Helium technology. The Cortex-M55 brings higher levels of machine … Read more

The ARM Cortex-A Series Programmer Guide document is no longer over 300 pages; as of 2024, the official update has quietly occurred. Although the timestamp of this document is still from 2013, it was only made public in 2024. Currently, the document has grown to over 400 pages. Chapter 1: Introduction Chapter 2: ARM Architecture … Read more

1. Product Overview The RK3568 Android integrated board uses the Rockchip RK3568 quad-core chip solution, supporting Google Android 11 and Linux systems. The RK3568 supports the latest powerful Mali-G52 series GPU chip and embedded high-performance 2D acceleration hardware, supporting mainstream audio and video formats and image decoding. It has a built-in NPU with 0.8T computing … Read more