Arithmetic Function

The VHDL compiler can

understand this operation

because an arithmetic

operation is defined for

the built-in data type

INTEGER

ENTITY opr IS

PORT ( a : IN INTEGER RANGE 0 TO 16;

b : IN INTEGER RANGE 0 TO 16;

sum : OUT INTEGER RANGE 0 TO 32);

END opr;

ARCHITECTURE example OF opr IS

BEGIN

adder_body:PROCESS (a, b)

BEGIN

sum <= a + b;

END PROCESS adder_body;

END example;

• Note: Remember the Library STD and the Package

Standard do not need to be referenced.

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