The peripheral to bridge multiplexor module is used to connect the read data outputs of the peripheral bus slaves to the peripheral bus bridge module, using the PSELx select signals to select the bus slave outputs to use. Figure 5.21 shows an interface diagram for the peripheral to bridge multiplexor module.

This module is a simple multiplexor, with the read data buses from all peripheral bus slaves as the inputs, using the slave select bridge outputs as the select inputs, with a single read data bus as the output to the bridge module. When slaves are added to the system or removed, the input connections to this module must be altered to account for the changes.