1. Introduction to CAN In automotive electronics, there are many ECU control modules that manage different functions. To enable these numerous ECU modules to work together, the CAN protocol was developed, allowing multiple ECU modules to be connected to the CAN bus for local area network communication between ECUs. CAN is a serial communication protocol … Read more
A comprehensive analysis of the CAN bus physical layer based on ISO11898 and ISO11519 1 CAN Hardware Control Layer CAN communication[1] is an asynchronous communication method, differing from synchronous communication methods like I2C and SPI that rely on clock signals. CAN communicates through a pair of differential signal lines, <span>CAN_H</span> and <span>CAN_L</span>, using differential signals … Read more
Introduction 🤔 Can a robust protocol like the CAN bus still encounter errors? What is the structure of a CAN protocol error frame? What types of CAN errors exist? Let’s understand it all at once. 1 CAN Errors The CAN bus[1] serves as the foundation and standard for automotive industrial automation systems, boasting remarkable robustness … Read more
🔓 Comprehensive analysis of OEM manufacturers’ CAN communication message files! Practical application of CAN messages, taking you back to fault conditions! With the CAN bus | A deeper understanding of the theoretical foundation of the CAN protocol, in the article on the bus series | Unlocking the core of the CAN protocol: a comprehensive analysis … Read more
🔓 A deep dive into automotive OEM communication files! From the principles to applications of DBC files, get all the essential information in one go! 1 CAN Description File DBC The CAN DBC file (CAN Database) is a text file that contains information for decoding raw CAN bus data into “physical values”. 1.1 How to … Read more