EMIF
7.3.6.12 DDR PHY Data Macro 0/1 Delay Selection Register (DATA0/1_REG_PHY_USE_RANK0_DELAYS)
The DATA0/1_REG_PHY_USE_RANK0_DELAYS is shown in
and described in
.
Figure 7-139. DDR PHY Data Macro 0/1 Delay Selection Register
(DATA0/1_REG_PHY_USE_RANK0_DELAYS)
31
16
Reserved
R-0
15
1
0
Reserved
RANK0 _DELAY
R-0
W-1
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 7-162. DDR PHY Data Macro 0/1 Delay Selection Register
(DATA0/1_REG_PHY_USE_RANK0_DELAYS) Field Descriptions
Bit
Field
Value
Description
31-1
Reserved
0
Reserved
0
PHY_USE_RANK
Delay Selection
0_DELAYS_0
0
Each Rank uses its own delay. (Recommended). This is applicable only in case of DDR3
1
Rank 0 delays are used for all ranks. This must be set to 1 for DDR2 and mDDR.
475
SPRUH73H – October 2011 – Revised April 2013
Memory Subsystem
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