CAN (Controller Area Network) is a serial communication network that effectively supports distributed control or real-time control. The CAN bus is a widely adopted bus protocol in automotive applications, designed for microcontroller communication in automotive environments. As company projects gradually shift towards the automotive sector, the scenarios for using CAN are increasing. This article analyzes … Read more
Table of Contents Standard Version and Q1 Version Schematic Diagram Physical Diagram Test Wiring Default Power-On Test STM32CubeMX Configuration Adaptation of SLLC469 Driver Library SPI Read ID Test Steps to Send and Receive CAN Messages MCAN and MRAM Configuration CAN Send Test CAN Receive Test VCCOUT Direct 5V Test Open Circuit, Short Circuit, and Busoff … Read more
First, let’s take a look at the frame structure of CAN: CAN Frame Structure From the above image, we can see that in the standard frame, there is an r0 bit, which is actually a reserved bit. ISO11898-1 stipulates that the sender sends the r0 bit as dominant, while the receiver does not judge the … Read more