This simple datapath is of a single-cycle nature.
LW Instruction

The LW instruction loads data from the data memory through a specified address, with a possible offset, to the
destination register.

It's syntax is:
LW $destination register's address, offset($source register's address).

The sample LW instruction demonstrated in the datapath above is LW $26, ($30).

The instruction's equivalent in binary is:

Information on the content of the registers used:
Register's Address Register's Address (Binary) Register's Value Register's Value (Binary)
$26 11010 To be updated To be updated
$30 11110