GPIO IP User Guide: Arria® 10 and Cyclone® 10 GX Devices

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ID 683136
Date 9/29/2025
Public
Document Table of Contents
Document Table of Contents x
1. GPIO IP User Guide: Arria® 10 and Cyclone® 10 GX Devices
1. GPIO IP User Guide: Arria® 10 and Cyclone® 10 GX Devices x
1.1. Release Information for GPIO IP 1.2. GPIO IP Features 1.3. GPIO IP Data Paths 1.4. GPIO IP Interface Signals 1.5. Verifying Resource Utilization and Design Performance 1.6. GPIO FPGA IP Parameter Settings 1.7. Register Packing 1.8. GPIO FPGA IP Timing 1.9. GPIO FPGA IP Design Examples 1.10. IP Migration Flow for Arria® V, Cyclone® V, and Stratix® V Devices 1.11. GPIO IP User Guide Archives 1.12. Document Revision History for the GPIO IP User Guide: Arria® 10 and Cyclone® 10 GX Devices
1.3. GPIO IP Data Paths x
1.3.1. Input Path 1.3.2. Output and Output Enable Paths
1.4. GPIO IP Interface Signals x
1.4.1. Shared Signals 1.4.2. Data Bit-Order for Data Interface 1.4.3. Input and Output Bus High and Low Bits 1.4.4. Data Interface Signals and Corresponding Clocks
1.8. GPIO FPGA IP Timing x
1.8.1. Timing Components 1.8.2. Delay Elements 1.8.3. Timing Analysis 1.8.4. Timing Closure Guidelines
1.8.3. Timing Analysis x
1.8.3.1. Single Data Rate Input Register 1.8.3.2. Full-Rate or Half-Rate DDIO Input Register 1.8.3.3. Single Data Rate Output Register 1.8.3.4. Full-Rate or Half-Rate DDIO Output Register
1.9. GPIO FPGA IP Design Examples x
1.9.1. GPIO FPGA IP Synthesizable Quartus® Prime Design Example 1.9.2. GPIO FPGA IP Simulation Design Example
1.10. IP Migration Flow for Arria® V, Cyclone® V, and Stratix® V Devices x
1.10.1. Migrating Your ALTDDIO_IN, ALTDDIO_OUT, ALTDDIO_BIDIR, and ALTIOBUF IP Cores 1.10.2. Guideline: Swap datain_h and datain_l Ports in Migrated IP
1. GPIO IP User Guide: Arria® 10 and Cyclone® 10 GX Devices

1.8.3.1. Single Data Rate Input Register

Figure 13. Single Data Rate Input Register


Table 14.  Single Data Rate Input Register .sdc Command Examples
Command Command Example Description
create_clock create_clock -name sdr_in_clk -period "100 MHz" sdr_in_clk Creates clock setting for the input clock.
set_input_delay set_input_delay -clock sdr_in_clk 0.15 sdr_in_data Instructs the Timing Analyzer to analyze the timing of the input I/O with a 0.15 ns input delay.
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