Entity : Port Declarations

• Structure : <class> object_name : <mode> <type> ;

  • <class> : what can be done to an object
  • Object_name : identifier
  • <mode> : directional
    • in (input) out (output)
    • inout (bidirectional) buffer (output w/ internal feedback)
  • <type> : What can be contained in the object

ENTITY <entity_name> IS

Generic Declarations

Port ( signal clk : in bit;

--Note: signal is assumed and is not required

q : out bit

);

END <entity_name> (1076-1987 version)

END ENTITY <entity_name> ; ( 1076-1993 version)

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