The read data is returned by the user interface in the requested order and is
valid when app_rd_data_valid is asserted. The
app_rd_data_end signal indicates the end of each read command burst
and is not needed in user logic.
Figure 1. 4:1 Mode User Interface Read Timing Diagram (Memory Burst Type = BL8) #1
In the following figure, the read data returned is always in the same order as the requests made on the address/control bus.
Figure 2. 4:1 Mode User Interface Read Timing Diagram (Memory Burst Type = BL8) #2
