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SD Card Controller
Verifies SD card interface functionality, ensuring reliable data transfer and compliance with specifications.
Overview
The SD Card Controller Verification IP (VIP) is a tool designed to ensure the proper functionality and performance of SD card memory interfaces in SoCs. It validates key operations like read/write cycles, error handling, and power management across multiple SD card versions.
This VIP is widely applicable in various fields, from SoC design validation to mobile devices and embedded systems. It guarantees reliable data transfer and smooth integration with SD card interfaces in industries such as automotive, consumer electronics, IoT, and more
SD Card Controller Architecture
Key Features
Protocol Compliance Testing: Ensures that SD, SDHC, and SDXC card specifications are strictly followed. This includes verifying all necessary read, write, and erase operations for different SD card types.
Comprehensive Error Handling: Simulates error conditions like bad sectors or signal interference. Ensures the SD card controller handles these issues properly through error recovery mechanisms for system reliability.
Support for Multiple SD Versions: Supports testing across SD card generations such as SD, SDHC, and SDXC. This guarantees compatibility and smooth operations regardless of the SD card version in use.
High-Speed Data Transfer Verification: Verifies that high-speed data transfer operations, such as UHS-I and UHS-II speeds, are functioning correctly. This ensures efficient and seamless data transfer between the SD card and host system.
Power Management Validation: Checks that the SD card adheres to its power requirements, including low-power modes and proper power-up sequences. Validates the overall power management features of the system.
Multi-Card Slot Testing: Simulates operations with multiple SD card slots in the system. This helps validate that the system can handle simultaneous data operations from different SD cards effectively.
Data Integrity Checks: Performs tests to ensure that data written to the SD card is accurately stored and retrievable. Verifies that the data read/write cycles are reliable and error-free.
Host and Card Communication Simulation: Simulates the communication between the host system and the SD card. Ensures that commands, responses, and data transfers between the two are synchronized and correctly executed.
Command Sequence Verification: Checks the correct sequence of commands issued by the host to the SD card. Ensures that commands related to initialization, data transfer, and card management are correctly implemented.
Customizable Configuration: Allows users to modify parameters like clock speed and voltage levels to simulate specific scenarios. This feature helps in testing edge cases and ensuring robustness under various conditions.
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