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

The BEQ instruction branches the PC if the first source register's contents and the second source
register's
contents are equal.

It's syntax is:
BEQ $first source register's address, $second source register's address, branch value.

The sample BEQ instruction demonstrated in the datapath above is BEQ $9, $11, .

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)
$9 01001
$11 01011