I2C
Verifies I2C communication, ensuring protocol compliance and error-free data transfer.
Overview
I2C (Inter-Integrated Circuit) is a low-speed communication protocol designed for embedded systems. As a Verification IP (VIP), it simulates and validates I2C interfaces, ensuring accurate data transmission, addressing, and error handling.
This VIP supports various device roles, data rates, and stress-testing scenarios, such as clock stretching and multi-master configurations, ensuring reliable communication in applications like sensor interfacing and memory device validation
Key Features
Protocol Compliance Verification: Verifies that I2C communication adheres to the protocol standards. Ensures correct start/stop conditions, acknowledgments, and data integrity between devices.
Master and Slave Simulation: Supports simulation of both master and slave devices to ensure correct functionality in each role. Validates bidirectional communication between devices.
Addressing Mechanism Testing: Ensures proper device addressing by simulating multiple devices on the bus. Verifies that each device responds correctly based on its unique address.
Timing and Clock Behavior Verification: Validates timing parameters such as clock stretching, setup/hold times, and bit rates. Ensures synchronization between devices according to the specified timing requirements.
Error Handling and Recovery: Simulates error scenarios like arbitration loss or noise and checks the recovery process. Verifies that the system can handle errors and continue reliable communication.
Multiple Data Rates Support: Supports testing of various I2C speeds, including standard-mode, fast-mode, and high-speed. Ensures the system functions properly across multiple communication rates.
Transaction-Based Verification: Validates multi-byte and multi-master transactions for accurate data exchange. Ensures the I2C system handles complex data transfers and scenarios without errors.
Signal Integrity Checks: Verifies that SDA and SCL signals meet the required electrical specifications. Ensures that the integrity of the communication lines is maintained during data transfer.
Master-Slave Synchronization: Ensures synchronization between multiple masters and slaves on the same bus. Verifies that devices correctly manage data transfer in multi-master configurations.
Coverage and Report Generation: Provides detailed coverage metrics and error reports. Generates insights into corner cases, error conditions, and overall performance during validation.
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