Intel Agilex® 7 Embedded Memory User Guide

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ID 683241
Date 6/26/2023
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Document Table of Contents
Document Table of Contents x
1. Intel Agilex® 7 Embedded Memory Overview 2. Intel Agilex® 7 Embedded Memory Architecture and Features 3. Intel Agilex® 7 Embedded Memory Design Considerations 4. Intel Agilex® 7 Embedded Memory IP References 5. Intel Agilex® 7 Embedded Memory Debugging 6. Intel Agilex® 7 Embedded Memory User Guide Archives 7. Document Revision History for the Intel Agilex® 7 Embedded Memory User Guide
1. Intel Agilex® 7 Embedded Memory Overview x
1.1. Intel Agilex® 7 Embedded Memory Features
2. Intel Agilex® 7 Embedded Memory Architecture and Features x
2.1. Fabric Network-On-Chip (NoC) in Intel Agilex® 7 M-Series M20K Blocks 2.2. Byte Enable in Intel Agilex® 7 Embedded Memory Blocks 2.3. Address Clock Enable Support 2.4. Asynchronous Clear and Synchronous Clear 2.5. Memory Blocks Error Correction Code (ECC) Support 2.6. Intel Agilex® 7 Embedded Memory Clocking Modes 2.7. Intel Agilex® 7 Embedded Memory Configurations 2.8. Force-to-Zero 2.9. Coherent Read Memory 2.10. Freeze Logic 2.11. True Dual Port Dual Clock Emulator 2.12. Initial Value of Read and Write Address Registers 2.13. Timing/Power Optimization Feature in M20K Blocks 2.14. Intel Agilex® 7 Supported Embedded Memory IPs
2.2. Byte Enable in Intel Agilex® 7 Embedded Memory Blocks x
2.2.1. Byte Enable Controls 2.2.2. Data Byte Output 2.2.3. Byte Enable Behavior
2.5. Memory Blocks Error Correction Code (ECC) Support x
2.5.1. Parity Bit 2.5.2. ECC Parity Flip 2.5.3. ECC Read-During-Write Behavior 2.5.4. Error Correction Code Truth Table
2.6. Intel Agilex® 7 Embedded Memory Clocking Modes x
2.6.1. Single Clock Mode 2.6.2. Read/Write Clock Mode 2.6.3. Input/Output Clock Mode 2.6.4. Asynchronous/Synchronous Clears in Clocking Modes 2.6.5. Output Read Data in Simultaneous Read/Write 2.6.6. Independent Clock Enables in Clocking Modes
2.7. Intel Agilex® 7 Embedded Memory Configurations x
2.7.1. Mixed-Width Port Configurations
2.9. Coherent Read Memory x
2.9.1. Forwarding Logic
3. Intel Agilex® 7 Embedded Memory Design Considerations x
3.1. Consider the Memory Block Selection 3.2. Consider the Concurrent Read Behavior 3.3. Customize Read-During-Write Behavior 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 Intel® Quartus® Prime Software for Memory 3.9. Consider the Memory Depth Setting 3.10. Consider Registering the Memory Output
3.3. Customize Read-During-Write Behavior x
3.3.1. Same-Port Read-During-Write Mode 3.3.2. Mixed-Port Read-During-Write Mode
4. Intel Agilex® 7 Embedded Memory IP References x
4.1. On Chip Memory RAM and ROM Intel® FPGA IP Cores 4.2. eSRAM Intel Agilex® FPGA IP 4.3. FIFO Intel® FPGA IP 4.4. Shift Register (RAM-based) Intel® FPGA IP
4.1. On Chip Memory RAM and ROM Intel® FPGA IP Cores x
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
4.1.7. Changing Parameter Settings Manually x
4.1.7.1. RAM and ROM Parameter Settings
4.2. eSRAM Intel Agilex® FPGA IP x
4.2.1. Release Information for eSRAM Intel Agilex® FPGA IP 4.2.2. eSRAM System Features 4.2.3. eSRAM Intel Agilex® FPGA IP Parameters 4.2.4. eSRAM Intel Agilex® FPGA IP Interface Signals 4.2.5. eSRAM Timing Diagrams
4.2.2. eSRAM System Features x
4.2.2.1. eSRAM Specifications
4.3. FIFO Intel® FPGA IP x
4.3.1. Release Information for FIFO Intel® FPGA IP 4.3.2. Configuration Methods 4.3.3. Specifications 4.3.4. FIFO Functional Timing Requirements 4.3.5. SCFIFO ALMOST_EMPTY Functional Timing 4.3.6. FIFO Output Status Flag and Latency 4.3.7. FIFO Metastability Protection and Related Options 4.3.8. FIFO Synchronous Clear and Asynchronous Clear Effect 4.3.9. SCFIFO and DCFIFO Show-Ahead Mode 4.3.10. Different Input and Output Width 4.3.11. DCFIFO Timing Constraint Setting 4.3.12. Coding Example for Manual Instantiation 4.3.13. Design Example 4.3.14. Gray-Code Counter Transfer at the Clock Domain Crossing 4.3.15. Guidelines for Embedded Memory ECC Feature 4.3.16. FIFO Intel® FPGA IP Parameters 4.3.17. Reset Scheme
4.3.3. Specifications x
4.3.3.1. Verilog HDL Prototype 4.3.3.2. VHDL Component Declaration 4.3.3.3. VHDL LIBRARY-USE Declaration 4.3.3.4. HDL Code from Parameterizable Macros Template 4.3.3.5. FIFO Signals 4.3.3.6. FIFO Parameter Settings
4.3.8. FIFO Synchronous Clear and Asynchronous Clear Effect x
4.3.8.1. Recovery and Removal Timing Violation Warnings when Compiling a DCFIFO
4.3.11. DCFIFO Timing Constraint Setting x
4.3.11.1. Embedded Timing Constraint 4.3.11.2. User Configurable Timing Constraint
4.3.11.2. User Configurable Timing Constraint x
4.3.11.2.1. SDC Commands
4.4. Shift Register (RAM-based) Intel® FPGA IP x
4.4.1. Release Information for Shift Register (RAM-based) Intel® FPGA IP 4.4.2. Shift Register (RAM-based) Intel® FPGA IP Features 4.4.3. Shift Register (RAM-based) Intel® FPGA IP General Description 4.4.4. Shift Register (RAM-based) Intel® FPGA IP Parameter Settings 4.4.5. Shift Register Ports and Parameters Setting
1. Intel Agilex® 7 Embedded Memory Overview
2. Intel Agilex® 7 Embedded Memory Architecture and Features
3. Intel Agilex® 7 Embedded Memory Design Considerations
4. Intel Agilex® 7 Embedded Memory IP References
5. Intel Agilex® 7 Embedded Memory Debugging
6. Intel Agilex® 7 Embedded Memory User Guide Archives
7. Document Revision History for the Intel Agilex® 7 Embedded Memory User Guide

3.6. Avoid Providing Non-Deterministic Input

When running the embedded memory simulation model, you must ensure that you do not provide “X” or dont_care as inputs to the simulation model. Providing “X” or don’t_care may result in unexpected behavior in simulation.

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