External Memory Interfaces Intel Agilex® 7 M-Series FPGA IP User Guide

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ID 772538
Date 4/03/2023
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Document Table of Contents
Document Table of Contents x
1. About the External Memory Interfaces Intel Agilex® 7 M-Series FPGA IP 2. Intel Agilex® 7 M-Series FPGA EMIF IP – Introduction 3. Intel Agilex® 7 M-Series FPGA EMIF IP – Product Architecture 4. Intel Agilex® 7 M-Series FPGA EMIF IP – End-User Signals 5. Intel Agilex® 7 M-Series FPGA EMIF IP – Simulating Memory IP 6. Intel Agilex 7 M-Series FPGA EMIF IP – DDR4 Support 7. Intel Agilex® 7 M-Series FPGA EMIF IP – DDR5 Support 8. Intel Agilex 7 M-Series FPGA EMIF IP – LPDDR5 Support 9. Intel Agilex® 7 M-Series FPGA EMIF IP – Timing Closure 10. Intel Agilex® 7 M-Series FPGA EMIF IP – Controller Optimization 11. Intel Agilex® 7 M-Series FPGA EMIF IP – Debugging 12. Document Revision History for External Memory Interfaces Intel Agilex® 7 M-Series FPGA IP User Guide
1. About the External Memory Interfaces Intel Agilex® 7 M-Series FPGA IP x
1.1. Release Information
2. Intel Agilex® 7 M-Series FPGA EMIF IP – Introduction x
2.1. Intel Agilex® 7 M-Series EMIF IP Protocol and Feature Support 2.2. Intel Agilex® 7 M-Series EMIF IP Design Flow 2.3. Intel Agilex® 7 M-Series EMIF IP Design Checklist
3. Intel Agilex® 7 M-Series FPGA EMIF IP – Product Architecture x
3.1. Intel Agilex® 7 M-Series EMIF Architecture: Introduction 3.2. Intel Agilex® 7 M-Series EMIF Sequencer 3.3. Intel Agilex® 7 M-Series EMIF Controller
3.1. Intel Agilex® 7 M-Series EMIF Architecture: Introduction x
3.1.1. Intel Agilex® 7 M-Series EMIF Architecture: I/O Subsystem 3.1.2. Intel Agilex® 7 M-Series EMIF Architecture: I/O SSM 3.1.3. Intel Agilex® 7 M-Series EMIF Architecture: I/O Bank 3.1.4. Intel Agilex® 7 M-Series EMIF Architecture: I/O Lane 3.1.5. Intel Agilex® 7 M-Series EMIF Architecture: Input DQS Clock Tree 3.1.6. Intel Agilex® 7 M-Series EMIF Architecture: PHY Clock Tree 3.1.7. Intel Agilex® 7 M-Series EMIF Architecture: PLL Reference Clock Networks 3.1.8. Intel Agilex® 7 M-Series EMIF Architecture: Clock Phase Alignment
3.1.3. Intel Agilex® 7 M-Series EMIF Architecture: I/O Bank x
3.1.3.1. DDR4 Pin Placement 3.1.3.2. DDR5 Pin Placement 3.1.3.3. LPDDR5 Pin Placement 3.1.3.4. I/O Sub-Bank Usage
3.2. Intel Agilex® 7 M-Series EMIF Sequencer x
3.2.1. Intel Agilex® 7 M-Series Mailbox Structure and Register Definitions
3.3. Intel Agilex® 7 M-Series EMIF Controller x
3.3.1. Hard Memory Controller
3.3.1. Hard Memory Controller x
3.3.1.1. Hard Memory Controller Features
4. Intel Agilex® 7 M-Series FPGA EMIF IP – End-User Signals x
4.1. Intel Agilex® 7 M-Series EMIF IP for DDR4 Interfaces 4.2. Intel Agilex® 7 M-Series EMIF IP for DDR5 Interfaces 4.3. Intel Agilex® 7 M-Series EMIF IP for LPDDR5 Interfaces
4.1. Intel Agilex® 7 M-Series EMIF IP for DDR4 Interfaces x
4.1.1. ref_clk for EMIF 4.1.2. core_init_n for EMIF 4.1.3. usr_async_clk for EMIF 4.1.4. usr_clk for EMIF 4.1.5. usr_rst_n for EMIF 4.1.6. s0_axi4 for EMIF 4.1.7. mem for EMIF 4.1.8. oct for EMIF 4.1.9. s0_axil_clk for EMIF 4.1.10. s0_axil_rst_n for EMIF 4.1.11. s0_axil for EMIF
4.2. Intel Agilex® 7 M-Series EMIF IP for DDR5 Interfaces x
4.2.1. ref_clk for EMIF 4.2.2. core_init_n for EMIF 4.2.3. usr_async_clk for EMIF 4.2.4. usr_clk for EMIF 4.2.5. usr_rst_n for EMIF 4.2.6. s0_axi4 for EMIF 4.2.7. mem for EMIF 4.2.8. oct for EMIF 4.2.9. s0_axil_clk for EMIF 4.2.10. s0_axil_rst_n for EMIF 4.2.11. s0_axil for EMIF
4.3. Intel Agilex® 7 M-Series EMIF IP for LPDDR5 Interfaces x
4.3.1. ref_clk for EMIF 4.3.2. core_init_n for EMIF 4.3.3. usr_async_clk for EMIF 4.3.4. usr_clk for EMIF 4.3.5. usr_rst_n for EMIF 4.3.6. s0_axi4 for EMIF 4.3.7. mem for EMIF 4.3.8. oct for EMIF 4.3.9. s0_axil_clk for EMIF 4.3.10. s0_axil_rst_n for EMIF 4.3.11. s0_axil for EMIF
5. Intel Agilex® 7 M-Series FPGA EMIF IP – Simulating Memory IP x
5.1. Simulation Walkthrough
5.1. Simulation Walkthrough x
5.1.1. Calibration 5.1.2. Simulation Scripts 5.1.3. Functional Simulation with Verilog HDL 5.1.4. Simulating the Design Example
6. Intel Agilex 7 M-Series FPGA EMIF IP – DDR4 Support x
6.1. Intel Agilex 7 M-Series FPGA EMIF IP Parameters for DDR4 6.2. Intel Agilex® 7 M-Series FPGA EMIF IP Pin and Resource Planning 6.3. DDR4 Board Design Guidelines
6.1. Intel Agilex 7 M-Series FPGA EMIF IP Parameters for DDR4 x
6.1.1. Intel Agilex 7 M-Series FPGA EMIF Memory Device Description IP (DDR4) Parameter Descriptions 6.1.2. Intel Agilex 7 M-Series FPGA EMIF IP Parameter Descriptions (DDR4)
6.2. Intel Agilex® 7 M-Series FPGA EMIF IP Pin and Resource Planning x
6.2.1. Intel Agilex® 7 M-Series FPGA EMIF IP Interface Pins 6.2.2. Intel Agilex® 7 M-Series FPGA EMIF IP Resources 6.2.3. Pin Guidelines for Intel Agilex® 7 M-Series FPGA EMIF IP 6.2.4. Pin Placements for Intel Agilex® 7 M-Series FPGA DDR4 EMIF IP
6.2.1. Intel Agilex® 7 M-Series FPGA EMIF IP Interface Pins x
6.2.1.1. Estimating Pin Requirements 6.2.1.2. DIMM Options 6.2.1.3. Maximum Number of Interfaces
6.2.2. Intel Agilex® 7 M-Series FPGA EMIF IP Resources x
6.2.2.1. OCT 6.2.2.2. PLL
6.2.4. Pin Placements for Intel Agilex® 7 M-Series FPGA DDR4 EMIF IP x
6.2.4.1. Address and Command Pin Placement for DDR4 6.2.4.2. DDR4 Data Width Mapping 6.2.4.3. General Guidelines 6.2.4.4. x4 DIMM Implementation 6.2.4.5. Specific Pin Connection Requirements 6.2.4.6. Command and Address Signals 6.2.4.7. Clock Signals 6.2.4.8. Data, Data Strobes, DM/DBI, and Optional ECC Signals
6.3. DDR4 Board Design Guidelines x
6.3.1. Terminations for DDR4 with Intel Agilex® 7 M-Series Devices 6.3.2. General Layout Routing Guidelines 6.3.3. Reference Stackup 6.3.4. Intel Agilex® 7 M-Series EMIF-Specific Routing Guidelines for Various DDR4 Topologies 6.3.5. DDR4 Routing Guidelines: Discrete (Component) Topologies
6.3.1. Terminations for DDR4 with Intel Agilex® 7 M-Series Devices x
6.3.1.1. Dynamic On-Chip Termination (OCT) 6.3.1.2. Dynamic On-Die Termination (ODT) in DDR4 6.3.1.3. Choosing Terminations on Intel Agilex® 7 M-Series FPGA Devices 6.3.1.4. On-Chip Termination Recommendations for Intel Agilex® 7 M-Series FPGA Devices
6.3.4. Intel Agilex® 7 M-Series EMIF-Specific Routing Guidelines for Various DDR4 Topologies x
6.3.4.1. One DIMM per Channel (1DPC) for UDIMM, RDIMM, and SODIMM DDR4 Topologies 6.3.4.2. Skew Matching Guidelines for DIMM Configurations 6.3.4.3. Power Delivery Recommendations for the Memory / DIMM Side
6.3.5. DDR4 Routing Guidelines: Discrete (Component) Topologies x
6.3.5.1. Single Rank x 8 Discrete (Component) Topology 6.3.5.2. Single Rank x 16 Discrete (Component) Topology 6.3.5.3. ADDR/CMD Reference Voltage/RESET Signal Routing Guidelines for Single Rank x 8 and Single Rank x 16 Discrete (Component) Topologies 6.3.5.4. Skew Matching Guidelines for DDR4 Discrete Configurations 6.3.5.5. Power Delivery Recommendations for DDR4 Discrete Configurations 6.3.5.6. Intel Agilex® 7 M-Series EMIF Pin Swapping Guidelines
6.3.5.6. Intel Agilex® 7 M-Series EMIF Pin Swapping Guidelines x
6.3.5.6.1. DDR4 Byte Lane Swapping 6.3.5.6.2. DDR4 Address and Command and CLK Lane 6.3.5.6.3. DDR4 Interface x8 Data Lane 6.3.5.6.4. DDR4 Interface x4 Data Lane
7. Intel Agilex® 7 M-Series FPGA EMIF IP – DDR5 Support x
7.1. Intel Agilex 7 M-Series FPGA EMIF IP Parameters for DDR5 7.2. Intel Agilex® 7 M-Series FPGA EMIF IP Pin and Resource Planning
7.1. Intel Agilex 7 M-Series FPGA EMIF IP Parameters for DDR5 x
7.1.1. Intel Agilex 7 M-Series FPGA EMIF Memory Device Description IP (DDR5) Parameter Descriptions 7.1.2. Intel Agilex 7 M-Series FPGA EMIF IP Parameter Descriptions (DDR5)
7.2. Intel Agilex® 7 M-Series FPGA EMIF IP Pin and Resource Planning x
7.2.1. Intel Agilex® 7 M-Series FPGA EMIF IP Interface Pins 7.2.2. Intel Agilex® 7 M-Series FPGA EMIF IP Resources 7.2.3. Pin Guidelines for Intel Agilex® 7 M-Series FPGA EMIF IP
7.2.1. Intel Agilex® 7 M-Series FPGA EMIF IP Interface Pins x
7.2.1.1. Estimating Pin Requirements 7.2.1.2. DIMM Options 7.2.1.3. Maximum Number of Interfaces
7.2.2. Intel Agilex® 7 M-Series FPGA EMIF IP Resources x
7.2.2.1. OCT 7.2.2.2. PLL
7.2.3. Pin Guidelines for Intel Agilex® 7 M-Series FPGA EMIF IP x
7.2.3.1. General Guidelines 7.2.3.2. x4 DIMM Implementation 7.2.3.3. Specific Pin Connection Requirements 7.2.3.4. Command and Address Signals 7.2.3.5. Clock Signals 7.2.3.6. Data, Data Strobes, DM/DBI, and Optional ECC Signals
8. Intel Agilex 7 M-Series FPGA EMIF IP – LPDDR5 Support x
8.1. Intel Agilex 7 M-Series FPGA EMIF IP Parameters for LPDDR5 8.2. Intel Agilex® 7 M-Series FPGA EMIF IP Pin and Resource Planning
8.1. Intel Agilex 7 M-Series FPGA EMIF IP Parameters for LPDDR5 x
8.1.1. Intel Agilex 7 M-Series FPGA EMIF Memory Device Description IP (LPDDR5) Parameter Descriptions 8.1.2. Intel Agilex 7 M-Series FPGA External Memory Interfaces (EMIF) IP Parameter Descriptions for LPDDR5
8.2. Intel Agilex® 7 M-Series FPGA EMIF IP Pin and Resource Planning x
8.2.1. Intel Agilex® 7 M-Series FPGA EMIF IP Interface Pins 8.2.2. Intel Agilex® 7 M-Series FPGA EMIF IP Resources 8.2.3. Pin Guidelines for Intel Agilex® 7 M-Series FPGA EMIF IP
8.2.1. Intel Agilex® 7 M-Series FPGA EMIF IP Interface Pins x
8.2.1.1. Estimating Pin Requirements 8.2.1.2. DIMM Options 8.2.1.3. Maximum Number of Interfaces
8.2.2. Intel Agilex® 7 M-Series FPGA EMIF IP Resources x
8.2.2.1. OCT 8.2.2.2. PLL
8.2.3. Pin Guidelines for Intel Agilex® 7 M-Series FPGA EMIF IP x
8.2.3.1. General Guidelines 8.2.3.2. Specific Pin Connection Requirements 8.2.3.3. Command and Address Signals 8.2.3.4. Clock Signals
9. Intel Agilex® 7 M-Series FPGA EMIF IP – Timing Closure x
9.1. Timing Closure 9.2. Optimizing Timing
9.1. Timing Closure x
9.1.1. Timing Analysis
9.1.1. Timing Analysis x
9.1.1.1. PHY or Core
10. Intel Agilex® 7 M-Series FPGA EMIF IP – Controller Optimization x
10.1. Interface Standard 10.2. Bank Management Efficiency 10.3. Data Transfer 10.4. Improving Controller Efficiency
10.4. Improving Controller Efficiency x
10.4.1. Frequency of Operation 10.4.2. Series of Reads or Writes
11. Intel Agilex® 7 M-Series FPGA EMIF IP – Debugging x
11.1. Interface Configuration Performance Issues 11.2. Functional Issue Evaluation 11.3. Timing Issue Characteristics 11.4. Verifying Memory IP Using the Signal Tap Logic Analyzer 11.5. Generating Traffic with the Test Engine IP
11.1. Interface Configuration Performance Issues x
11.1.1. Interface Configuration Bottleneck and Efficiency Issues
11.2. Functional Issue Evaluation x
11.2.1. Intel® IP Memory Model 11.2.2. Vendor Memory Model 11.2.3. Transcript Window Messages
11.3. Timing Issue Characteristics x
11.3.1. Evaluating FPGA Timing Issues 11.3.2. Evaluating External Memory Interface Timing Issues
1. About the External Memory Interfaces Intel Agilex® 7 M-Series FPGA IP
2. Intel Agilex® 7 M-Series FPGA EMIF IP – Introduction
3. Intel Agilex® 7 M-Series FPGA EMIF IP – Product Architecture
4. Intel Agilex® 7 M-Series FPGA EMIF IP – End-User Signals
5. Intel Agilex® 7 M-Series FPGA EMIF IP – Simulating Memory IP
6. Intel Agilex 7 M-Series FPGA EMIF IP – DDR4 Support
7. Intel Agilex® 7 M-Series FPGA EMIF IP – DDR5 Support
8. Intel Agilex 7 M-Series FPGA EMIF IP – LPDDR5 Support
9. Intel Agilex® 7 M-Series FPGA EMIF IP – Timing Closure
10. Intel Agilex® 7 M-Series FPGA EMIF IP – Controller Optimization
11. Intel Agilex® 7 M-Series FPGA EMIF IP – Debugging
12. Document Revision History for External Memory Interfaces Intel Agilex® 7 M-Series FPGA IP User Guide

4.1.6. s0_axi4 for EMIF

Fabric (i.e. NOC-bypass) interface to controller

Table 20.  Interface: s0_axi4Interface type: axi4
Port Name Direction Description
s0_axi4_araddr input Read Address
s0_axi4_arburst input Read Burst Type
s0_axi4_arid input Read Write Address ID
s0_axi4_arlen input Read Burst Length
s0_axi4_arlock input Read Lock Type
s0_axi4_arqos input Read Quality of Service
s0_axi4_arsize input Read Burst Size
s0_axi4_arvalid input Read Address Valid
s0_axi4_aruser input Read Address User Signal
s0_axi4_arprot input Read Protection Type
s0_axi4_awaddr input Write Address
s0_axi4_awburst input Write Burst Type
s0_axi4_awid input Write Address ID
s0_axi4_awlen input Write Burst Length
s0_axi4_awlock input Write Lock Type
s0_axi4_awqos input Write Quality of Service
s0_axi4_awsize input Write Burst Size
s0_axi4_awvalid input Write Address Valid
s0_axi4_awuser input Write Address User Signal
s0_axi4_awprot input Write Protection Type
s0_axi4_bready input Response Ready
s0_axi4_rready input Read Ready
s0_axi4_wdata input Write Data
s0_axi4_wstrb input Write Strobes
s0_axi4_wlast input Write Last
s0_axi4_wvalid input Write Valid
s0_axi4_wuser input Write User Signal
s0_axi4_ruser output Ready User Signal
s0_axi4_arready output Read Address Ready
s0_axi4_awready output Write Address Ready
s0_axi4_bid output Response ID
s0_axi4_bresp output Write Response
s0_axi4_bvalid output Write Response Valid
s0_axi4_rdata output Read Data
s0_axi4_rid output Read ID
s0_axi4_rlast output Read Last
s0_axi4_rresp output Read Response
s0_axi4_rvalid output Read Valid
s0_axi4_wready output Write Ready
Level Two Title