Figure 22 System Builder - Device Features Tab; Figure 23 Memory Configuration - Microchip Technology Microsemi SmartFusion2 User Manual

MDDR Subsystem
1. Go to the System Builder - Device Features tab, check the HPMS External DDR Memory check
box, and select MDDR. Leave the rest of the check boxes unchecked. The following illustration
shows the System Builder - Device Features tab.
Figure 22 • System Builder - Device Features Tab
2. Configure the HPMS External Memory in the Memories tab as shown in the following illustration. In
this example, the design is created to access DDR3 memory with a 32-bit data width and no ECC.
3. Set the DDR memory settling time to 200 us and click Import Register Configuration.
Figure 23 • Memory Configuration
4. Navigate to the Peripherals tab.
5. In the Peripherals tab, drag the Fabric Master Core and drop on to the HPMS DDR FIC
Subsystem. You can see that the master is added to the subsystem. The following image shows the
Peripherals tab with the AMBA_MASTER_0 added.
6. Click the Configure icon to open the AMBA Master - Configuration dialog. The following image
shows the Peripherals tab with the Configure icon highlighted.
Microsemi Proprietary UG0446 User Guide Revision 7.0 45