Intel® Agilex™ F-Series and I-Series General-Purpose I/O User Guide

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ID 683780
Date 6/14/2022
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Document Table of Contents
Document Table of Contents x
1. Intel Agilex General-Purpose I/O Overview 2. Intel® Agilex™ General-Purpose I/O Banks 3. Intel® Agilex™ HPS I/O Banks 4. Intel® Agilex™ SDM I/O Banks 5. Intel® Agilex™ I/O Troubleshooting Guidelines 6. Intel® Agilex™ General-Purpose I/O IPs 7. Programmable I/O Features Description 8. Documentation Related to the Intel® Agilex™ F-Series and I-Series General-Purpose I/O User Guide 9. Document Revision History for the Intel® Agilex™ F-Series and I-Series General-Purpose I/O User Guide
1. Intel Agilex General-Purpose I/O Overview x
1.1. Package Selection and I/O Vertical Migration Support 1.2. Types of I/O Banks
2. Intel® Agilex™ General-Purpose I/O Banks x
2.1. GPIO Bank Overview 2.2. GPIO Features 2.3. GPIO Implementation Guide 2.4. Intel® Agilex™ I/O Termination 2.5. Intel® Agilex™ GPIO Design Guidelines 2.6. I/O Simulation
2.1. GPIO Bank Overview x
2.1.1. GPIO Bank Structure 2.1.2. I/O Buffers and Registers
2.2. GPIO Features x
2.2.1. Supported I/O Standards for GPIO Banks 2.2.2. GPIO Buffer Behavior 2.2.3. Programmable I/O Element Features for the GPIO Bank
2.2.3. Programmable I/O Element Features for the GPIO Bank x
2.2.3.1. Guidelines: Programmable Output Slew Rate Control 2.2.3.2. Guidelines: Programmable Open-Drain Output 2.2.3.3. Guidelines: Programmable Bus-Hold 2.2.3.4. Guidelines: Programmable Pull-Up Resistor 2.2.3.5. Guidelines: Programmable De-Emphasis
2.3. GPIO Implementation Guide x
2.3.1. I/O Assignments with the Intel® Quartus® Prime Assignment Editor 2.3.2. Assigning Pin I/O Standards in the Intel® Quartus® Prime Pin Planner
2.3.1. I/O Assignments with the Intel® Quartus® Prime Assignment Editor x
2.3.1.1. Assigning Pin I/O Standards in the Intel® Quartus® Prime Assignment Editor 2.3.1.2. Assigning Programmable IOE Features in the Intel® Quartus® Prime Assignment Editor 2.3.1.3. GPIO Programmable IOE Features Assignment Names and Settings
2.4. Intel® Agilex™ I/O Termination x
2.4.1. Single-Ended I/O Termination in Intel® Agilex™ Devices 2.4.2. True Differential Signaling I/O Termination
2.4.1. Single-Ended I/O Termination in Intel® Agilex™ Devices x
2.4.1.1. Single-Ended I/O Standard OCT Termination 2.4.1.2. OCT Calibration Block 2.4.1.3. Single-Ended I/O Standards External Termination 2.4.1.4. Single-Ended I/O Termination Implementation Guide
2.4.1.1. Single-Ended I/O Standard OCT Termination x
2.4.1.1.1. RS OCT 2.4.1.1.2. RT OCT 2.4.1.1.3. Dynamic OCT
2.4.1.4. Single-Ended I/O Termination Implementation Guide x
2.4.1.4.1. Configuring OCT Using the Assignment Editor 2.4.1.4.2. OCT Features Assignment Names and Settings
2.4.2. True Differential Signaling I/O Termination x
2.4.2.1. True Differential Signaling I/O Standard OCT Termination 2.4.2.2. True Differential Signaling I/O Standard External Termination
2.4.2.1. True Differential Signaling I/O Standard OCT Termination x
2.4.2.1.1. Configuring Differential Input RD OCT Using the Assignment Editor 2.4.2.1.2. Guidelines: Differential Input RD OCT
2.5. Intel® Agilex™ GPIO Design Guidelines x
2.5.1. VREF Sources and VREF Pins 2.5.2. I/O Standards Implementation Based on VCCIO_PIO Voltages 2.5.3. OCT Calibration Block Requirement 2.5.4. I/O Pins Placement Requirements 2.5.5. I/O Standard Selection and I/O Bank Supply Compatibility Check 2.5.6. Simultaneous Switching Noise 2.5.7. Special Pins Requirement 2.5.8. External Memory Interface Pin Placement Requirements 2.5.9. HPS Shared I/O Requirements 2.5.10. Clocking Requirements 2.5.11. SDM Shared I/O Requirements 2.5.12. Unused Pins 2.5.13. Voltage Setting for Unused GPIO Banks 2.5.14. GPIO Pins During Power Sequencing 2.5.15. Drive Strength Requirement for GPIO Input Pins 2.5.16. Maximum DC Current Restrictions 2.5.17. 1.2 V I/O Interface Voltage Level Compatibility 2.5.18. GPIO Pins for the Avalon® Streaming Interface Configuration Scheme 2.5.19. Maximum True Differential Signaling Receiver Pairs Per I/O Lane
2.6. I/O Simulation x
2.6.1. IBIS Models 2.6.2. HSPICE* Models 2.6.3. Net Length Reports
3. Intel® Agilex™ HPS I/O Banks x
3.1. HPS I/O Bank Overview 3.2. HPS I/O Features 3.3. HPS I/O Implementation Guide 3.4. Intel® Agilex™ HPS I/O Design Guidelines 3.5. HPS I/O Simulation
3.2. HPS I/O Features x
3.2.1. Supported I/O Standards for HPS I/O Banks 3.2.2. HPS I/O Buffer Behavior 3.2.3. Programmable I/O Element Features for the HPS I/O Bank
3.3. HPS I/O Implementation Guide x
3.3.1. Configuring Open Drain Feature for the HPS I/O 3.3.2. I/O Assignments with the Intel® Quartus® Prime Assignment Editor 3.3.3. Assigning Pin I/O Standards in the Intel® Quartus® Prime Pin Planner
3.3.2. I/O Assignments with the Intel® Quartus® Prime Assignment Editor x
3.3.2.1. Assigning Programmable IOE Features in the Intel® Quartus® Prime Assignment Editor 3.3.2.2. HPS I/O Programmable IOE Features Assignment Names and Settings
3.4. Intel® Agilex™ HPS I/O Design Guidelines x
3.4.1. Unused Pins 3.4.2. HPS I/O Pins During Power Sequencing 3.4.3. HPS Shared I/O Requirements
3.5. HPS I/O Simulation x
3.5.1. HPS IBIS Models 3.5.2. Net Length Reports
4. Intel® Agilex™ SDM I/O Banks x
4.1. SDM I/O Bank Overview 4.2. SDM I/O Features 4.3. Intel® Agilex™ SDM I/O Design Guidelines 4.4. SDM I/O Simulation
4.2. SDM I/O Features x
4.2.1. Supported I/O Standards for SDM I/O Banks 4.2.2. SDM I/O Buffer Behavior 4.2.3. I/O Standards and Features for Intel® Agilex™ Configuration Pins
4.3. Intel® Agilex™ SDM I/O Design Guidelines x
4.3.1. Unused Pins 4.3.2. SDM I/O Pins During Power Sequencing
4.4. SDM I/O Simulation x
4.4.1. SDM IBIS Models 4.4.2. Net Length Reports
6. Intel® Agilex™ General-Purpose I/O IPs x
6.1. GPIO Intel® FPGA IP 6.2. OCT Intel® FPGA IP
6.1. GPIO Intel® FPGA IP x
6.1.1. Release Information for GPIO Intel® FPGA IP 6.1.2. Generating the GPIO Intel® FPGA IP 6.1.3. GPIO Intel® FPGA IP Parameter Settings 6.1.4. GPIO Intel® FPGA IP Interface Signals 6.1.5. GPIO Intel® FPGA IP Architecture 6.1.6. Verifying Resource Utilization and Design Performance 6.1.7. GPIO Intel® FPGA IP Timing 6.1.8. GPIO Intel® FPGA IP Design Examples
6.1.2. Generating the GPIO Intel® FPGA IP x
6.1.2.1. Intel® FPGA IP Generation Output
6.1.3. GPIO Intel® FPGA IP Parameter Settings x
6.1.3.1. Guideline: Swap datain_h and datain_l Ports in Migrated IP
6.1.4. GPIO Intel® FPGA IP Interface Signals x
6.1.4.1. Shared Signals 6.1.4.2. Data Bit-Order for Data Interface 6.1.4.3. Input and Output Bus High and Low Bits 6.1.4.4. Data Interface Signals and Corresponding Clocks
6.1.5. GPIO Intel® FPGA IP Architecture x
6.1.5.1. GPIO Intel® FPGA IP Data Paths 6.1.5.2. Register Packing
6.1.5.1. GPIO Intel® FPGA IP Data Paths x
6.1.5.1.1. Input Path 6.1.5.1.2. Output and Output Enable Paths
6.1.7. GPIO Intel® FPGA IP Timing x
6.1.7.1. Timing Components 6.1.7.2. Delay Elements 6.1.7.3. Timing Analysis 6.1.7.4. Timing Closure Guidelines
6.1.7.3. Timing Analysis x
6.1.7.3.1. Single Data Rate Input Register 6.1.7.3.2. Full-Rate or Half-Rate DDIO Input Register 6.1.7.3.3. Single Data Rate Output Register 6.1.7.3.4. Full-Rate or Half-Rate DDIO Output Register
6.1.8. GPIO Intel® FPGA IP Design Examples x
6.1.8.1. GPIO Intel® FPGA IP Synthesizable Intel® Quartus® Prime Design Example 6.1.8.2. GPIO Intel® FPGA IP Simulation Design Example
6.2. OCT Intel® FPGA IP x
6.2.1. Release Information 6.2.2. Generating the OCT Intel® FPGA IP 6.2.3. OCT Intel® FPGA IP Parameter Settings 6.2.4. OCT Intel® FPGA IP Signals 6.2.5. QSF Assignments 6.2.6. OCT Intel® FPGA IP Architecture 6.2.7. OCT Intel® FPGA IP Design Example
6.2.2. Generating the OCT Intel® FPGA IP x
6.2.2.1. Intel® FPGA IP Generation Output
6.2.7. OCT Intel® FPGA IP Design Example x
6.2.7.1. Generating the Intel® Quartus® Prime Design Example
7. Programmable I/O Features Description x
7.1. Programmable Pre-Emphasis 7.2. Programmable De-Emphasis 7.3. Programmable Differential Output Voltage
1. Intel Agilex General-Purpose I/O Overview
2. Intel® Agilex™ General-Purpose I/O Banks
3. Intel® Agilex™ HPS I/O Banks
4. Intel® Agilex™ SDM I/O Banks
5. Intel® Agilex™ I/O Troubleshooting Guidelines
6. Intel® Agilex™ General-Purpose I/O IPs
7. Programmable I/O Features Description
8. Documentation Related to the Intel® Agilex™ F-Series and I-Series General-Purpose I/O User Guide
9. Document Revision History for the Intel® Agilex™ F-Series and I-Series General-Purpose I/O User Guide

4.2.3. I/O Standards and Features for Intel® Agilex™ Configuration Pins

The SDM pins have different I/O standards and features in different Intel® Agilex™ configuration schemes. You can assign the unused SDM pins for other functions in the Intel® Quartus® Prime software.
Table 29.   Intel® Agilex™ AS ×4 Configuration Scheme—Dedicated Configuration Pins
Pin Function SDM I/O Direction I/O Standard Schmitt Trigger/TTL Input Weak Pull-Up/Pull-Down Drive Strength Open Drain Slew Rate
AS_DATA1 SDM_IO1 Bidirectional 1.8 V LVCMOS Schmitt Trigger Disable 8 mA Disable Fast
AS_CLK SDM_IO2 Output 1.8 V LVCMOS — — 8 mA Disable Fast
AS_DATA2 SDM_IO3 Bidirectional 1.8 V LVCMOS Schmitt Trigger Disable 8 mA Disable Fast
AS_DATA0 SDM_IO4 Bidirectional 1.8 V LVCMOS Schmitt Trigger Disable 8 mA Disable Fast
AS_nCSO0 SDM_IO5 Output 1.8 V LVCMOS — — 8 mA Disable Fast
AS_DATA3 SDM_IO6 Bidirectional 1.8 V LVCMOS Schmitt Trigger Disable 8 mA Disable Fast
AS_nCSO2 SDM_IO7 Output 1.8 V LVCMOS — — 8 mA Disable Fast
AS_nCSO3 SDM_IO8 Output 1.8 V LVCMOS — — 8 mA Disable Fast
AS_nCSO1 SDM_IO9 Output 1.8 V LVCMOS — — 8 mA Disable Fast
AS_nRST SDM_IO15 Output 1.8 V LVCMOS — — 8 mA Disable Fast
Table 30.   Intel® Agilex™ AS ×4 Configuration Scheme—Unused Configuration PinsFor the unused configuration pins, the drive strength, open drain, and slew rate settings are not applicable.
SDM I/O Direction I/O Standard Schmitt Trigger/TTL Input Weak Pull-Up/Pull-Down
SDM_IO0 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-down with 20 kΩ resistor
SDM_IO10 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-up with 20 kΩ resistor
SDM_IO11 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-up with 20 kΩ resistor
SDM_IO12 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-up with 20 kΩ resistor
SDM_IO13 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-up with 20 kΩ resistor
SDM_IO14 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-up with 20 kΩ resistor
SDM_IO16 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-down with 20 kΩ resistor
Table 31.   Intel® Agilex™ Avalon® Streaming Interface ×8 Configuration Scheme—Dedicated Configuration Pins
Pin Function SDM I/O Direction I/O Standard Schmitt Trigger/TTL Input Weak Pull-Up/Pull-Down Drive Strength Open Drain Slew Rate
AVSTx8_DATA2 SDM_IO1 Input 1.8 V LVCMOS Schmitt Trigger Disable — — —
AVSTx8_DATA0 SDM_IO2 Input 1.8 V LVCMOS Schmitt Trigger Disable — — —
AVSTx8_DATA3 SDM_IO3 Input 1.8 V LVCMOS Schmitt Trigger Disable — — —
AVSTx8_DATA1 SDM_IO4 Input 1.8 V LVCMOS Schmitt Trigger Disable — — —
AVSTx8_DATA4 SDM_IO6 Input 1.8 V LVCMOS Schmitt Trigger Disable — — —
AVSTx8_READY SDM_IO8 Output 1.8 V LVCMOS — — 8 mA Disable Fast
AVSTx8_DATA7 SDM_IO10 Input 1.8 V LVCMOS Schmitt Trigger Disable — — —
AVSTx8_VALID SDM_IO11 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-down with 20 kΩ resistor — — —
AVSTx8_DATA5 SDM_IO13 Input 1.8 V LVCMOS Schmitt Trigger Disable — — —
AVSTx8_CLK SDM_IO14 Input 1.8 V LVCMOS Schmitt Trigger Disable — — —
AVSTx8_DATA6 SDM_IO15 Input 1.8 V LVCMOS Schmitt Trigger Disable — — —
Table 32.   Intel® Agilex™ Avalon® Streaming Interface ×8 Configuration Scheme—Unused Configuration PinsFor the unused configuration pins, the drive strength, open drain, and slew rate settings are not applicable.
SDM I/O Direction I/O Standard Schmitt Trigger/TTL Input Weak Pull-Up/Pull-Down
SDM_IO0 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-down with 20 kΩ resistor
SDM_IO5 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-up with 20 kΩ resistor
SDM_IO7 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-up with 20 kΩ resistor
SDM_IO9 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-up with 20 kΩ resistor
SDM_IO12 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-up with 20 kΩ resistor
SDM_IO16 Input 1.8 V LVCMOS Schmitt Trigger Weak pull-down with 20 kΩ resistor
Table 33.   Intel® Agilex™ Avalon® Streaming Interface ×16 or ×32 Configuration Scheme—Dedicated Configuration PinsFor all pin functions in this table:
  • The I/O location is the SDM shared GPIO bank.
  • The weak pull-up or pull-down, and open drain options are not applicable.
Pin Function Direction I/O Standard Drive Strength Slew Rate
AVST_CLK Input 1.2 V LVCMOS — —
AVST_READY Output 1.2 V LVCMOS

Series 34 Ω OCT without calibration

Slow
AVST_VALID Input 1.2 V LVCMOS — —
AVST_DATA Input 1.2 V LVCMOS — —
Table 34.   Intel® Agilex™ Optional Configuration PinsThe SDM I/O for each pin function in this table is as assigned in the Intel® Quartus® Prime configuration pins option.
Pin Function Direction I/O Standard

Schmitt Trigger/

TTL Input

 Weak Pull-Up / Pull-Down Drive Strength Open Drain Slew Rate
PWRMGT_SCL Bidirectional 1.8V LVCMOS Schmitt Trigger Weak pull-up with 20 kΩ resistor 2 mA Enable Slow
PWRMGT_SDA Bidirectional 1.8V LVCMOS Schmitt Trigger Weak pull-up with 20 kΩ resistor 2 mA Enable Slow
PWRMGT_ALERT Output 1.8V LVCMOS — — 2 mA Enable Slow
CONF_DONE Output 1.8V LVCMOS — — 8 mA Disable Fast
INIT_DONE Output 1.8V LVCMOS — — 8 mA Disable Fast
CvP_CONFDONE Output 1.8V LVCMOS — — 8 mA Disable Fast
SEU_ERROR Output 1.8V LVCMOS — — 8 mA Disable Fast
HPS_COLD_nRESET Bidirectional 1.8V LVCMOS Schmitt Trigger Weak pull-up with 20 kΩ resistor 2 mA Enable Fast
Direct to factory image Input 1.8V LVCMOS Schmitt Trigger Weak pull-down with 20 kΩ resistor — — —
nCATTRIP Output 1.8V LVCMOS — — 2 mA Disable Slow
TAMPERDETECTION Output 1.8V LVCMOS — — 8 mA Disable Fast
TAMPERRESPONSESTATUS Output 1.8V LVCMOS — — 8 mA Disable Fast
Related Information
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