<TABLE> <TR bgcolor="#C0C0C0"> <TH>Hierarchy</TH> <TH>Input</TH> <TH>Constant Input</TH> <TH>Unused Input</TH> <TH>Floating Input</TH> <TH>Output</TH> <TH>Constant Output</TH> <TH>Unused Output</TH> <TH>Floating Output</TH> <TH>Bidir</TH> <TH>Constant Bidir</TH> <TH>Unused Bidir</TH> <TH>Input only Bidir</TH> <TH>Output only Bidir</TH> </TR> <TR > <TD >inst</TD> <TD >6</TD> <TD >0</TD> <TD >0</TD> <TD >0</TD> <TD >1</TD> <TD >0</TD> <TD >0</TD> <TD >0</TD> <TD >0</TD> <TD >0</TD> <TD >0</TD> <TD >0</TD> <TD >0</TD> </TR> </TABLE>