32 bit 3-1 Multiplexor Unit:


If you select this unit, you get to use two 3-1 muxes in one block layed out as follows.


To select the input line that is marked 0, simply set the select line to 0 or if you want to select the input line that is marked 1 set the select line to 1. Setting the select line to 2 will select the input labelled 2.