Intel® Stratix® 10 General Purpose I/O User Guide

ID 683518
Date 7/07/2021

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3.4. Guideline: Do Not Drive I/O Pins During Power Sequencing

The Intel® Stratix® 10 I/O buffers are powered by VCC, VCCPT, and VCCIO.

Because the Intel® Stratix® 10 devices do not support hot socketing, do not drive the I/O pins externally during power up and power down. This includes all I/O pins including FPGA and HPS I/Os. Adhere to this guideline to:

  • Avoid excess I/O pin current:
    • Excess I/O pin current affects the device's lifetime and reliability.
    • Excess current on the 3 V I/O pins can damage the Intel® Stratix® 10 device.
  • Achieve minimum current draw and avoid I/O glitch during power up or power down.
  • Avoid permanent damage on the 3 V I/O buffers in 3 V operation.

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