ENTITY pvddi_px IS
  GENERIC (
    CONSTANT area : NATURAL := 80000	
  );
  PORT (
  ck : in BIT;	
  vdde : in BIT;	
  vddi : in BIT;	
  vsse : in BIT;	
  vssi : in BIT	
  );
END pvddi_px;

ARCHITECTURE behaviour_data_flow OF pvddi_px IS

BEGIN
  ASSERT ((((vddi and vdde) and not (vssi)) and not (vsse)) = '1')
    REPORT "power supply is missing on pvddi_px"
    SEVERITY WARNING;
END;