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Quartus II Settings File Reference Manual - Altera

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Chapter 2: Pin & Locations Assignments 2–3<br />

FAST_OCT_REGISTER<br />

FAST_OCT_REGISTER<br />

Type<br />

Implements an on-chip termination (OCT) register in a cell that has a fast, direct<br />

connection to an I/O pin. Turning on the Fast OCT Register option can help<br />

maximize I/O timing performance, for example, by permitting fast clock-to-output<br />

times. Turning this option off for a particular signal prevents the Fitter from<br />

implementing the signal automatically in an I/O cell. This option is ignored if it is<br />

applied to anything other than a register or an output or bidirectional pin fed by a<br />

register.<br />

Boolean<br />

Device Support<br />

This setting can be used in projects targeting the following device families:<br />

■ Arria <strong>II</strong> GX<br />

■ Arria <strong>II</strong> GZ<br />

■ HardCopy <strong>II</strong>I<br />

■ HardCopy IV<br />

■ Stratix <strong>II</strong>I<br />

■ Stratix IV<br />

■ Stratix V<br />

Notes<br />

This assignment supports wildcards.<br />

Syntax<br />

set_instance_assignment -name FAST_OCT_REGISTER -to -entity <br />

June 2012 <strong>Altera</strong> Corporation <strong>Quartus</strong> <strong>Settings</strong> <strong>File</strong><br />

<strong>Reference</strong> <strong>Manual</strong>

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