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1. Agilex™ 5 General-Purpose I/O Overview
2. Agilex™ 5 HSIO Banks
3. Agilex™ 5 HVIO Banks
4. Agilex™ 5 HPS I/O Banks
5. Agilex™ 5 SDM I/O Banks
6. Agilex™ 5 I/O Troubleshooting Guidelines
7. GPIO Intel® FPGA IP
8. Programmable I/O Features Description
9. Document Revision History for the General-Purpose I/O User Guide: Agilex™ 5 FPGAs and SoCs
2.5.1. I/O Standard Placement Restrictions for True Differential I/Os
2.5.2. Placement Restrictions for True Differential and Single-Ended I/O Standards in the Same or Adjacent HSIO Bank
2.5.3. VREF Sources and Input Standards Grouping
2.5.4. HSIO Pin Restrictions for External Memory Interfaces
2.5.5. RZQ Pin Requirement
2.5.6. I/O Standards Implementation Based on VCCIO_PIO Voltages
2.5.7. I/O Standard Selection and I/O Bank Supply Compatibility Check
2.5.8. Simultaneous Switching Noise
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. VCCIO_PIO Supply for Unused HSIO Banks
2.5.14. HSIO Pins During Power Sequencing
2.5.15. Drive Strength Requirement for HSIO Input Pins
2.5.16. Maximum DC Current Restrictions
2.5.17. 1.05 V, 1.1 V, or 1.2 V I/O Interface Voltage Level Compatibility
2.5.18. Connection to True Differential Signaling Input Buffers During Device Reconfiguration
2.5.19. LVSTL700 I/O Standards Differential Pin Pair Requirements
2.5.20. Implementing a Pseudo Open Drain
2.5.21. Allowed Duration for Using RT OCT
2.5.22. Single-Ended Strobe Signal Differential Pin Pair Restriction
2.5.23. Implementing SLVS-400 or DPHY I/O Standard with 1.1 V VCCIO_PIO
7.1. Release Information for GPIO Intel® FPGA IP
7.2. Generating the GPIO Intel® FPGA IP
7.3. GPIO Intel® FPGA IP Parameter Settings
7.4. GPIO Intel® FPGA IP Interface Signals
7.5. GPIO Intel® FPGA IP Architecture
7.6. Verifying Resource Utilization and Design Performance
7.7. GPIO Intel® FPGA IP Timing
7.8. GPIO Intel® FPGA IP Design Examples
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2.4.1.1.1. RS OCT
Agilex™ 5 devices support RS OCT with and without calibration.
OCT Scheme | Description |
---|---|
RS without calibration |
|
RS with calibration |
|
Figure 9. RS OCT without Calibration This figure shows the RS as the total impedance of the output buffer.
Figure 10. RS OCT with Calibration This figure shows the RS as the total impedance of the output buffer.
I/O Standard | RS OCT without Calibration6 (Ω) | RS OCT with Calibration (Ω) |
---|---|---|
1.3 V LVCMOS | 34, 40 | — |
1.2 V LVCMOS | 34, 40 | — |
1.1 V LVCMOS | 34, 40 | — |
1.05 V LVCMOS | 34, 40 | — |
1.0 V LVCMOS | 34, 40 | — |
SSTL-12 | 34, 40 | 34, 40 |
HSTL-12 | 34, 40 | 34, 40 |
HSUL-12 | 34, 40 | 34, 40 |
POD12 | 34, 40 | 34, 40 |
POD11 | 34, 40 | 34, 40 |
LVSTL11 | 34, 40 | 34, 40 |
LVSTL105 | 34, 40 | 34, 40 |
LVSTL700 | — | 40 |
Differential SSTL-12 | 34, 40 | 34, 40 |
Differential HSTL-12 | 34, 40 | 34, 40 |
Differential HSUL-12 | 34, 40 | 34, 40 |
Differential POD12 | 34, 40 | 34, 40 |
Differential POD11 | 34, 40 | 34, 40 |
Differential LVSTL11 | 34, 40 | 34, 40 |
Differential LVSTL105 | 34, 40 | 34, 40 |
Differential LVSTL700 | — | 40 |
SLVS-400 | — | 45 |
DPHY | — | 45 |
Related Information
6 Supported only in GPIO mode.