Hierarchy Input Constant Input Unused Input Floating Input Output Constant Output Unused Output Floating Output Bidir Constant Bidir Unused Bidir Input only Bidir Output only Bidir
bit0 4 0 0 0 1 0 0 0 0 0 0 0 0
bit1 4 0 0 0 1 0 0 0 0 0 0 0 0
bit2 4 0 0 0 1 0 0 0 0 0 0 0 0
bit3 4 0 0 0 1 0 0 0 0 0 0 0 0