CAN
Verifies communication, error detection, and data integrity in CAN systems.
Overview
CAN (Controller Area Network) is a critical communication protocol widely used in automotive and industrial systems. It enables efficient, real-time data transfer between embedded systems, ensuring robust and reliable operation in safety-critical applications.
The CAN VIP ensures compliance with ISO 11898, simulating various network conditions to verify the functionality of CAN controllers. It handles error detection, message prioritization, fault confinement, and real-time data processing, enabling early identification of potential design flaws

CAN Architecture
Key Features
Protocol Compliance: Verifies that CAN controllers adhere to ISO 11898 standards, ensuring proper message formatting and data transmission. It checks bus arbitration protocols to confirm compliant communication between devices.
Error Detection: Ensures that CAN controllers accurately detect errors during data transmission, including error frames and checksums. It supports error counters for identifying issues and maintaining data integrity.
Real-Time Data Processing: Simulates the real-time processing of high-priority and low-priority messages. It ensures that message scheduling meets time-sensitive application requirements for effective communication.
Multi-Master Support: Verifies the ability of CAN controllers to handle multi-master arbitration and bus access contention. It ensures seamless communication between multiple nodes on the network, even with simultaneous communication.
Fault Confinement: Ensures that faulty nodes are isolated without disrupting the entire network, maintaining communication integrity. It simulates bus-off behavior under fault conditions to test the system’s resilience.
Bus Load Simulation: Simulates varying network traffic to test the CAN controller’s performance under high data loads. This ensures the system can handle stress scenarios and maintain reliable communication.
Bit Timing and Synchronization: Verifies accurate synchronization of bit timing across all CAN nodes, ensuring reliable communication. It checks timing parameters such as setup and hold times to maintain data consistency.
Message Filtering: Ensures that CAN controllers filter messages based on predefined identifiers, reducing unnecessary processing. This improves the overall efficiency of the system by focusing on relevant data.
Extended Addressing Support: Verifies that CAN controllers support both standard and extended frame formats. It ensures the proper handling of extended CAN identifiers for more complex system configurations.
Low Power Operation: Simulates low-power mode operation, ensuring that systems can transition to sleep modes without losing communication capabilities. It tests battery-efficient designs for long-term operation.
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