Using the Add HBM Wizard - 2022.1 English

The fields in the XPE HBM Configuration dialog box are:

Data Rate

Enter the Data Rate in Mb/s. The allowed range for this field is 100-1800 Mb/s.

AXI Ports

Enter the number of AXI channels that your design will use.

Average Utilization

This is the average activity on the bus. This value is intended to be the RMS (root mean square) over a longer period of time versus a worst case maximum number. This is not the expected efficiency of the bus.

AXI Burst Length

Select the AXI Burst Length from 32, 64, 128 or 256. This is the average burst length of your AXI traffic.

Primary Use

Select the Primary type of use of HBM

Read and Write

Read and Write is a use case where HBM is concurrently being read and written.

Read

Read is a use case where majority of time HBM is being read and the write power is insignificant.

Write

Write is use case where majority of time HBM is being written and read power is insignificant.

AXI ID

Select AXI ID Single or Multiple. While using Multiple AXI ID you can get better performance but data coming back will be out of order.

Traffic Type

Select Traffic type Linear or Random. This describes the address access pattern. Linear traffic will have a higher bandwidth and Random traffic will a lower bandwidth as the page miss will be higher.

Address Range per Pseudo Channel Group

Select Address range per group

• OMOS 256 MB (1 Master, 1 Slave, accessing 256 MB)
• FMFS 256 MB (4 Master, 4 Slave, accessing 1 GB)
• SMSS 256 MB (16 Master, 16 Slave, accessing 4 GB)
• TMTS 256 MB (32 Master, 32 Slave, accessing 8 GB)

The data on the HBM sheet is populated with the configuration information that you entered in the HBM wizard.