DDR4 UDIMM/SODIMM - 1.0 English

Versal Adaptive SoC Soft DDR4 SDRAM Memory Controller LogiCORE IP Product Guide (PG353)

Document ID
PG353
Release Date
2023-10-18
Version
1.0 English

The following table and figure show the four configurations supported for DDR4 UDIMM and SODIMM.

For a dual-rank DIMM, Dual Slot configuration, follow the chip select order shown in the following figure, where CS0 and CS1 are connected to Slot0 and CS2 and CS3 are connected to Slot1.

Table 1. DDR4 UDIMM Configuration
Slot0 Slot1
Single-rank Empty
Dual-rank Empty
Dual-rank Dual-rank
Single-rank Single-rank
Figure 1. DDR4 UDIMM Configuration