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1. Agilex™ 5 Embedded Memory Overview
2. Agilex™ 5 Embedded Memory Architecture and Features
3. Agilex™ 5 Embedded Memory Design Considerations
4. Agilex™ 5 Embedded Memory IP References
5. Agilex™ 5 Embedded Memory Debugging
6. Embedded Memory User Guide: Agilex™ 5 FPGAs and SoCs Archives
7. Document Revision History for the Embedded Memory User Guide: Agilex™ 5 FPGAs and SoCs
2.1. Byte Enable in Agilex™ 5 Embedded Memory Blocks
2.2. Address Hold Support
2.3. Asynchronous Clear and Synchronous Clear
2.4. Memory Blocks Error Correction Code (ECC) Support
2.5. Agilex™ 5 Embedded Memory Clocking Modes
2.6. Agilex™ 5 Embedded Memory Configurations
2.7. Force-to-Zero
2.8. Coherent Read Memory
2.9. Freeze Logic
2.10. True Dual Port Dual Clock Emulator
2.11. Initial Value of Read and Write Address Registers
2.12. Timing/Power Optimization Feature in M20K Blocks
3.1. Consider the Memory Block Selection
3.2. Consider the Concurrent Write Behavior
3.3. Read-During-Write (RDW)
3.4. Consider Power-Up State and Memory Initialization
3.5. Reduce Power Consumption
3.6. Avoid Providing Non-Deterministic Input
3.7. Avoid Changing Clock Signals and Other Control Signals Simultaneously
3.8. Advanced Settings in Quartus® Prime Software for Memory
3.9. Consider the Memory Depth Setting
3.10. Consider Registering the Memory Output
4.1.1. Release Information for RAM and ROM Intel® FPGA IPs
4.1.2. RAM: 1-PORT Intel® FPGA IP Parameters
4.1.3. RAM: 2-PORT Intel® FPGA IP Parameters
4.1.4. RAM: 4-PORT Intel® FPGA IP Parameters
4.1.5. ROM: 1-PORT Intel® FPGA IP Parameters
4.1.6. ROM: 2-PORT Intel® FPGA IP Parameters
4.1.7. Changing Parameter Settings Manually
4.1.8. RAM and ROM Interface Signals
4.2.1. Release Information for FIFO Intel® FPGA IP
4.2.2. Configuration Methods
4.2.3. Specifications
4.2.4. FIFO Functional Timing Requirements
4.2.5. SCFIFO ALMOST_EMPTY Functional Timing
4.2.6. FIFO Output Status Flag and Latency
4.2.7. FIFO Metastability Protection and Related Options
4.2.8. FIFO Synchronous Clear and Asynchronous Clear Effect
4.2.9. SCFIFO and DCFIFO Show-Ahead Mode
4.2.10. Different Input and Output Width
4.2.11. DCFIFO Timing Constraint Setting
4.2.12. Coding Example for Manual Instantiation
4.2.13. Instantiation Template
4.2.14. Design Example
4.2.15. Gray-Code Counter Transfer at the Clock Domain Crossing
4.2.16. Guidelines for Embedded Memory ECC Feature
4.2.17. FIFO Intel® FPGA IP Parameters
4.2.18. Reset Scheme
4.3.1. Release Information for Shift Register (RAM-based) Intel® FPGA IP
4.3.2. Shift Register (RAM-based) Intel® FPGA IP Features
4.3.3. Shift Register (RAM-based) Intel® FPGA IP General Description
4.3.4. Shift Register (RAM-based) Intel® FPGA IP Parameter Settings
4.3.5. Shift Register Ports and Parameters Setting
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3.1. Consider the Memory Block Selection
The Quartus® Prime software automatically partitions user-defined memory into the embedded memory blocks based on the speed of your design and size constraints. For example, the Quartus® Prime software may spread out the memory across multiple available memory blocks to increase the performance of your design.
For the MLABs, you can implement single-port SRAM through emulation using the Quartus® Prime software. Emulation minimizes additional use of logic resources.
Because of the dual purpose architecture of the MLAB, the block has only data input registers, output registers, and write address registers. The MLABs utilizes read address registers from the ALMs.
Note: For Agilex™ 5 devices, the Resource Property Editor and the Timing Analyzer report the location of the M20K block as EC_X<number>_Y<number>_N<number>, even though the assigned location allowed is M20K_X<number>_Y<number>_N<number>. Embedded Cell (EC) is the sub-location of the M20K block.