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Quartus II Settings File Reference Manual - Altera

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Chapter 4: Analysis & Synthesis Assignments 4–153<br />

SAFE_STATE_MACHINE<br />

SAFE_STATE_MACHINE<br />

Type<br />

Directs the Compiler to implement state machines that can recover gracefully from an<br />

illegal state.<br />

This option can be applied globally or to a specific entity or node.<br />

Implementation of such safe state machines can result in some area increase.<br />

This option defaults to Off.<br />

Boolean<br />

Device Support<br />

This setting can be used in projects targeting any <strong>Altera</strong> device family.<br />

Notes<br />

This assignment is included in the Analysis & Synthesis report.<br />

Syntax<br />

set_global_assignment -name SAFE_STATE_MACHINE -entity <br />

<br />

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

set_global_assignment -name SAFE_STATE_MACHINE <br />

Example<br />

set_global_assignment -name safe_state_machine on<br />

set_instance_assignment -name safe_state_machine on -to foo<br />

Default Value<br />

Off<br />

See Also<br />

■ “STATE_MACHINE_PROCESSING” on page 4–158<br />

■ “EXTRACT_VERILOG_STATE_MACHINES” on page 4–73<br />

■ “EXTRACT_VHDL_STATE_MACHINES” on page 4–74<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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