Generic Map

• Generics allow the component to be customized upon instantiation

  • Entity declaration of design object being incorporated provides default values

• The GENERIC MAP is similar to the PORT MAP in that it maps specific values to the generics of the component

USE Work.my_stuff.ALL

ARCHITECTURE test OF test_entity

SIGNAL S1, S2, S3 : BIT;

BEGIN

Gate1 : my_stuff.and_gate -- component found in package

GENERIC MAP (tplh=ɮ ns, tphl=ɯ ns)

PORT MAP (S1, S2, S3);

END test;

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Generics are mapped in a fashion similar to ports. If no default values are assigned in the design object’s ENTITY declaration, a GENERIC MAP must be provided in the component’s declaration, instantiation, or binding.

As in PORT MAP signal associations, associations may be made by position or by name.