Arria® 10 Core Fabric and General Purpose I/Os Handbook
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Ixiasoft
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5.5.4. On-Chip I/O Termination in Arria® 10 Devices
Serial (RS) and parallel (RT) OCT provides I/O impedance matching and termination capabilities. OCT maintains signal quality, saves board space, and reduces external component costs.
The Arria® 10 devices support OCT in all FPGA and HPS I/O banks. For the 3 V and HPS I/Os, the I/Os support only OCT without calibration.
Direction | OCT Schemes | I/O Type Support | ||
---|---|---|---|---|
LVDS I/O | 3 V I/O | HPS I/O | ||
Output | RS OCT with calibration | Yes | — | — |
RS OCT without calibration | Yes | Yes | Yes | |
Input | RT OCT with calibration | Yes | — | — |
RD OCT (LVDS I/O standard only) | Yes | — | — | |
Bidirectional | Dynamic RS and RT OCT | Yes | — | — |