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

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ID 683780
Date 6/14/2022
Public
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2.4.2. True Differential Signaling I/O Termination

All GPIO banks have dedicated circuitry to support true differential I/O standards by using the True Differential Signaling differential buffers without resistor networks. The True Differential Signaling buffer is compatible with the LVDS, RSDS, Mini-LVDS, and LVPECL standards, and supports 100 Ω differential on-chip termination (RD OCT).
Figure 12. True Differential Signaling I/O Standard Termination

Use OCT with these I/O standards to save board space and cost. OCT reduces the number of external termination resistors usage. Refer to the Intel® Agilex™ device pin-out files for more information about dedicated differential transmitter and receiver pins.

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