User guide

3–4 Chapter 3: Parameter Settings
ALTMEMPHY Parameter Settings
External Memory Interface Handbook Volume 3 December 2010 Altera Corporation
Section II. DDR3 SDRAM Controller with ALTMEMPHY IP User Guide
Figure 3–2 shows the Preset Editor dialog box for a DDR3 SDRAM.
The Advanced option is only available for Arria II GX and Stratix IV devices. This
option shows the percentage of memory specification that is calibrated by the FPGA.
The percentage values are estimated by Altera based on the process variation.
Figure 3–2. DDR3 SDRAM Preset Editor