The following table shows the revision history for this document.
| Section | Revision Summary |
|---|---|
| 05/29/2025 Version 4.0 | |
| N/A | Core version updated. |
| 11/27/2024 Version 3.1 | |
| N/A | Core version updated. |
| Overview | Updated range values for NUM_MASK, LOOKUP_RATE, LOOKUP_INTERFACE_FREQ, and RAM_FREQ configuration parameters. |
| Performance | Updated table with latency information and minor corrections. |
| Boot Sequence | New section. |
| CAM Specification Tab | Updated figures. |
| 05/30/2024 Version 3.0 | |
| N/A | Core version updated. |
| Overview | Updated descriptions for KEY_WIDTH and RESPONSE_WIDTH configuration parameters. |
| Performance | Added clarification about lookup latency for variable rate STCAM. |
| Throughput | Added information about variable and fixed rate. |
| Storage Efficiency | New sections added. |
| Quantification | Implemented corrections and clarifications. |
| System Interface Ports | Added details of key_rstn and corrected details of ram_rstn. |
| Resets | Added clarification. |
| User Parameters | Added VARIABLE_RATE and PHYSICAL_CONSTRAINTS parameters, and made minor corrections. |
| AXI4-Lite Interface Ports | New section. |
| Hardware Debug | Added details about software driver bringup, inserting entries, and lookup operations. |
| 11/01/2023 Version 2.6 | |
| N/A | Core version updated. |
| Overview | Updated configuration parameter descriptions. |
| Lookup Interface Ports | Updated figure. |
| Clocking | Added information for running timing analysis with -2M speed grades. |
| CAM Specification Tab | Updated screenshots and parameters |
| CAM Example Design | Added topic. |
| 05/10/2023 Version 2.5 | |
| N/A | Core version updated. |
| 11/02/2022 Version 2.4 | |
| Performance | Added note on AXI4-Lite when switching between read and write. |
| CAM Specification Tab | Updated images and added new parameters. |
| 05/25/2022 Version 2.3 | |
| Overview | Added CBCAM information. |
| Error Correction Coding | Added information on lookup operations. |
| Performance | Updated notes. |
| Lookup Interface Ports | Updated figure. |
| Customizing and Generating the Core | Updated core version. |
| CAM Specification Tab | Updated figures. |
| User Parameters | Added new parameters. |
| Upgrading | Added reference to UG896. |
| Hardware Debug | Added ports. |
| 07/27/2021 Version 2.2 | |
| Initial release. | N/A |