IF_WE_ARE_USING_CONV_INTEGER(P)_FUNCTION,_THEN_WHICH_OF_THE_FOLLOWING_CANNOT_BE_THE_TYPE_OF_PARAMETER_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚Àւ§P‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•??$#

• A. STD_LOGIC VECTOR
• B. STD_ULOGIC
• C. INTEGER
• D. SIGNED