User Guide

4
1 – Fabric External Memory DDR Controller
Configurator
The Fabric External Memory DDR (FDDR) Configurator is used to configure the overall datapath and the
external DDR memory parameters for the Fabric DDR Controller.
Memory Settings
Use Memory Settings to configure your memory options in the MDDR.
Memory Type - LPDDR, DDR2, or DDR3
Data Width - 32-bit, 16-bit or 8-bit
Clock Frequency - Any value (Decimal/Fractional) in the range of 20 MHz to 333 MHz
SECDED Enabled ECC - ON or OFF
Address Mapping - {ROW,BANK,COLUMN},{BANK,ROW,COLUMN}
Figure 1-1FDDR Configurator Overview