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INFER_RAMS_FROM_RAW_LOGIC

Instructs the Compiler to infer RAM from registers and multiplexers. Some HDL patterns that differ from

Altera RAM templates are initially converted into logic. However, these structures function as RAM and,

because of that, the Compiler may create an altsyncram megafunction instance for them at a later stage

when this assignment is on. With this assignment is turned on, the Compiler may use more device RAM

resources and less LABs.

Type

Boolean

Device Support

This setting can be used in projects targeting any Altera device family.

Notes

This assignment is included in the Analysis & Synthesis report.

This assignment supports synthesis wildcards.

Syntax

set_global_assignment -name INFER_RAMS_FROM_RAW_LOGIC <value>

set_global_assignment -name INFER_RAMS_FROM_RAW_LOGIC -entity <entity name>

<value>

set_instance_assignment -name INFER_RAMS_FROM_RAW_LOGIC -to <to> -entity

Default Value

Example

set_global_assignment -name infer_rams_from_raw_logic off

set_instance_assignment -name infer_rams_from_raw_logic off -to foo

MNL-Q21005

2015.05.04

INFER_RAMS_FROM_RAW_LOGIC

113

Quartus Settings File Reference Manual

Altera Corporation

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Altera Quartus II Settings File Manual do Utilizador Página 113