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Quartus II Settings File Reference Manual - Altera

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Chapter 6: Fitter Assignments 6–169<br />

IMPLEMENT_MLAB_IN_16_BIT_DEEP_MODE<br />

IMPLEMENT_MLAB_IN_16_BIT_DEEP_MODE<br />

Type<br />

Allows you to specify the MLAB memory blocks implementation mode. MLAB<br />

memory blocks are implemented in 32-bit deep mode or 64-bit deep mode. Turning<br />

on this option forces MLAB memory blocks to be implemented in 16-bit deep mode.<br />

This leads to significantly shorter delays and may speed up the overall design<br />

performance if the MLAB memory block is on the critical path. However, it also<br />

requires twice as many MLAB blocks to implement a given logical memory.<br />

Boolean<br />

Device Support<br />

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

■ Stratix V<br />

Notes<br />

This assignment supports wildcards.<br />

This assignment is included in the Fitter report.<br />

Syntax<br />

set_global_assignment -name IMPLEMENT_MLAB_IN_16_BIT_DEEP_MODE -entity<br />

<br />

set_instance_assignment -name IMPLEMENT_MLAB_IN_16_BIT_DEEP_MODE -to <br />

-entity <br />

set_global_assignment -name IMPLEMENT_MLAB_IN_16_BIT_DEEP_MODE <br />

Default Value<br />

Off<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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