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Quartus II Settings File Reference Manual - Altera

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Chapter 6: Fitter Assignments 6–355<br />

TERMINATION_CONTROL_BLOCK<br />

TERMINATION_CONTROL_BLOCK<br />

Type<br />

Specifies the control block used for calibrated on-chip termination (OCT) and<br />

impedance matching for an I/O pin. OCT helps to prevent signal reflections and<br />

maintain signal integrity. This option is ignored if it is applied to anything other than<br />

an I/O pad, input buffer, or output buffer. This option should only be used on I/O<br />

pins which have a calibrated termination assignment.<br />

String<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 />

■ Arria V<br />

■ Cyclone V<br />

■ HardCopy <strong>II</strong>I<br />

■ HardCopy IV<br />

■ Stratix <strong>II</strong>I<br />

■ Stratix IV<br />

■ Stratix V<br />

Notes<br />

The value of this assignment is case sensitive.<br />

This assignment is copied to any duplicated nodes<br />

This assignment supports wildcards.<br />

The value of this assignment must be a node name.<br />

Syntax<br />

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

<br />

Example<br />

set_instance_assignment -name TERMINATION_CONTROL_BLOCK<br />

"my_oct:inst|my_oct_alt_oct_toq:my_oct_alt_oct_toq_component|sd1a_0" -to<br />

pin_name<br />

See Also<br />

■ “IO_STANDARD” on page 6–186<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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