Intel® Stratix® 10 Clocking and PLL User Guide

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ID 683195
Date 9/08/2023
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Document Table of Contents
Document Table of Contents x
1. Intel® Stratix® 10 Clocking and PLL Overview 2. Intel® Stratix® 10 Clocking and PLL Architecture and Features 3. Intel® Stratix® 10 Clocking and PLL Design Considerations 4. Intel® Stratix® 10 Clocking and PLL Implementation Guides 5. Clock Control Intel® FPGA IP Core References 6. IOPLL Intel® FPGA IP Core References 7. IOPLL Reconfig Intel® FPGA IP Core References 8. Intel® Stratix® 10 Clocking and PLL User Guide Archives 9. Document Revision History for the Intel® Stratix® 10 Clocking and PLL User Guide
1. Intel® Stratix® 10 Clocking and PLL Overview x
1.1. Clock Networks Overview 1.2. PLLs Overview
2. Intel® Stratix® 10 Clocking and PLL Architecture and Features x
2.1. Clock Networks Architecture and Features 2.2. PLLs Architecture and Features
2.1. Clock Networks Architecture and Features x
2.1.1. Clock Network Architecture 2.1.2. Clock Resources 2.1.3. Programmable Clock Routing Sources 2.1.4. Clock Control Features
2.1.1. Clock Network Architecture x
2.1.1.1. Clock Network Hierarchy 2.1.1.2. Clock Sector 2.1.1.3. Programmable Clock Routing
2.1.3. Programmable Clock Routing Sources x
2.1.3.1. Dedicated Clock Input Pins 2.1.3.2. Internal Logic 2.1.3.3. DPA Clock Outputs 2.1.3.4. Transceiver Clock Outputs 2.1.3.5. PLL Clock Outputs
2.1.4. Clock Control Features x
2.1.4.1. Clock Gating 2.1.4.2. Clock Divider 2.1.4.3. Dynamic Clock Switchover
2.1.4.1. Clock Gating x
2.1.4.1.1. Root Clock Gate 2.1.4.1.2. Sector Clock Gate 2.1.4.1.3. I/O PLL Clock Gate 2.1.4.1.4. LAB Clock Gate
2.2. PLLs Architecture and Features x
2.2.1. PLL Features 2.2.2. PLL Usage 2.2.3. PLL Architecture 2.2.4. PLL Control Signals 2.2.5. Clock Feedback Modes 2.2.6. Clock Multiplication and Division 2.2.7. Programmable Phase Shift 2.2.8. Programmable Duty Cycle 2.2.9. PLL Cascading 2.2.10. Clock Switchover 2.2.11. PLL Reconfiguration and Dynamic Phase Shift 2.2.12. PLL Calibration
2.2.4. PLL Control Signals x
2.2.4.1. Reset 2.2.4.2. Locked
2.2.5. Clock Feedback Modes x
2.2.5.1. Direct Compensation Mode 2.2.5.2. LVDS Compensation Mode 2.2.5.3. Source Synchronous Compensation Mode 2.2.5.4. Normal Compensation Mode 2.2.5.5. Zero-Delay Buffer Mode 2.2.5.6. External Feedback Mode
2.2.10. Clock Switchover x
2.2.10.1. Automatic Switchover 2.2.10.2. Automatic Switchover with Manual Override 2.2.10.3. Manual Clock Switchover
2.2.12. PLL Calibration x
2.2.12.1. Power-Up Calibration 2.2.12.2. User Calibration
3. Intel® Stratix® 10 Clocking and PLL Design Considerations x
3.1. Guideline: Clock Switchover 3.2. IP Core Constraints 3.3. Guideline: Resetting the PLL 3.4. Guideline: Configuration Constraints 3.5. Guideline: Timing Closure 3.6. Guideline: I/O PLL Reconfiguration 3.7. Guideline: I/O PLL Jitter Performance 3.8. Guideline: Clock Gating
4. Intel® Stratix® 10 Clocking and PLL Implementation Guides x
4.1. Clock Control Intel® FPGA IP Core 4.2. IOPLL Intel® FPGA IP Core 4.3. IOPLL Reconfig Intel Stratix 10 FPGA IP Core
4.1. Clock Control Intel® FPGA IP Core x
4.1.1. Release Information for Clock Control Intel® FPGA IP
4.2. IOPLL Intel® FPGA IP Core x
4.2.1. Release Information for IOPLL Intel® FPGA IP 4.2.2. .mif File Generation 4.2.3. IP-XACT File Generation 4.2.4. Implementing I/O PLL Dynamic Phase Shift in the IOPLL IP Core 4.2.5. Design Example
4.2.2. .mif File Generation x
4.2.2.1. Generating a New .mif File 4.2.2.2. Adding Configurations to Existing .mif File
4.2.3. IP-XACT File Generation x
4.2.3.1. Generating a New IP-XACT File
4.2.4. Implementing I/O PLL Dynamic Phase Shift in the IOPLL IP Core x
4.2.4.1. I/O PLL Dynamic Phase Shift Operation
4.2.5. Design Example x
4.2.5.1. Design Example: Dynamic Phase Shift Using IOPLL IP Core
4.3. IOPLL Reconfig Intel Stratix 10 FPGA IP Core x
4.3.1. Release Information for IOPLL Reconfig Intel® FPGA IP 4.3.2. Implementing I/O PLL Reconfiguration in the IOPLL Reconfig IP Core 4.3.3. IOPLL Reconfig IP Core Reconfiguration Modes 4.3.4. Design Examples
4.3.2. Implementing I/O PLL Reconfiguration in the IOPLL Reconfig IP Core x
4.3.2.1. Connectivity between the IOPLL and IOPLL Reconfig IP Cores 4.3.2.2. Connecting the IOPLL and IOPLL Reconfig IP Cores
4.3.3. IOPLL Reconfig IP Core Reconfiguration Modes x
4.3.3.1. .mif Streaming Reconfiguration 4.3.3.2. Advanced Mode Reconfiguration 4.3.3.3. Clock Gating Reconfiguration 4.3.3.4. Dynamic Phase Shift Reconfiguration
4.3.3.1. .mif Streaming Reconfiguration x
4.3.3.1.1. Recalibration Using .mif
4.3.3.2. Advanced Mode Reconfiguration x
4.3.3.2.1. Recalibration Using Advanced Mode
4.3.4. Design Examples x
4.3.4.1. Design Example 1: .mif Streaming Reconfiguration Using IOPLL Reconfig IP Core 4.3.4.2. Design Example 2: Advanced Mode Reconfiguration Using IOPLL Reconfig IP Core 4.3.4.3. Design Example 3: Clock Gating Reconfiguration Using IOPLL Reconfig IP Core 4.3.4.4. Design Example 4: Dynamic Phase Shift Using IOPLL Reconfig IP Core
5. Clock Control Intel® FPGA IP Core References x
5.1. Clock Control IP Core Parameters 5.2. Clock Control IP Core Ports and Signals
6. IOPLL Intel® FPGA IP Core References x
6.1. IOPLL IP Core Parameters 6.2. IOPLL IP Core Ports and Signals 6.3. Dynamic Phase Shift Ports in the IOPLL IP Core
6.1. IOPLL IP Core Parameters x
6.1.1. IOPLL IP Core Parameters - PLL Tab 6.1.2. IOPLL IP Core Parameters - Settings Tab 6.1.3. IOPLL IP Core Parameters - Cascading Tab 6.1.4. IOPLL IP Core Parameters - Dynamic Reconfiguration Tab 6.1.5. IOPLL IP Core Parameters - Advanced Parameters Tab
7. IOPLL Reconfig Intel® FPGA IP Core References x
7.1. Avalon® -MM Interface Ports in the IOPLL Reconfig IP Core 7.2. Address Bus and Data Bus Settings
7.2. Address Bus and Data Bus Settings x
7.2.1. Address Bus and Data Bus Settings for Advanced Mode Reconfiguration 7.2.2. Output Clock and the Corresponding Data Bit Setting for Clock Gating Reconfiguration 7.2.3. Data Bus Setting for Dynamic Phase Shift for IOPLL Reconfig IP Core
7.2.1. Address Bus and Data Bus Settings for Advanced Mode Reconfiguration x
7.2.1.1. Data Bus Setting for Bandwidth Control and Charge Pump 7.2.1.2. Data Bus Setting for Ripplecap
1. Intel® Stratix® 10 Clocking and PLL Overview
2. Intel® Stratix® 10 Clocking and PLL Architecture and Features
3. Intel® Stratix® 10 Clocking and PLL Design Considerations
4. Intel® Stratix® 10 Clocking and PLL Implementation Guides
5. Clock Control Intel® FPGA IP Core References
6. IOPLL Intel® FPGA IP Core References
7. IOPLL Reconfig Intel® FPGA IP Core References
8. Intel® Stratix® 10 Clocking and PLL User Guide Archives
9. Document Revision History for the Intel® Stratix® 10 Clocking and PLL User Guide

2.1.4.1.4. LAB Clock Gate

The Intel® Stratix® 10 LAB register has built-in clock gating functionality. The register clock enable mechanism is a hardened data feedback, as shown in the Clock Gating and Clock Divider in Intel® Stratix® 10 Clock Network diagram. The LAB clock gate offers no associated power savings because this is a purely functional clock enable.

The analysis and synthesis phases of the Intel® Quartus® Prime software infer a LAB clock gate from a behavioral description of clock gating in the register transfer level (RTL). If a physical clock gate is desired, you must instantiate it explicitly.

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