EMIF
7.3.5.12 SDRAM_TIM_3_SHDW Register (offset = 2Ch) [reset = 0h]
SDRAM_TIM_3_SHDW is shown in
and described in
.
Figure 7-102. SDRAM_TIM_3_SHDW Register
31
30
29
28
27
26
25
24
reg_t_pdll_ul_shdw
Reserved
R/W-0h
R-0h
23
22
21
20
19
18
17
16
Reserved
reg_zq_zqcs_shdw
R/W-0h
R/W-0h
15
14
13
12
11
10
9
8
reg_zq_zqcs
Reserved
reg_t_rfc
R/W-0h
R/W-0h
R/W-0h
7
6
5
4
3
2
1
0
reg_t_rfc_shdw
reg_t_ras_max_shdw
R/W-0h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 7-122. SDRAM_TIM_3_SHDW Register Field Descriptions
Bit
Field
Type
Reset
Description
31-28
reg_t_pdll_ul_shdw
R/W
0h
Shadow field for reg_t_pdll_ul. This field is loaded into reg_t_pdll_ul
field in SDRAM Timing 3 register when SIdleAck is asserted.
27-24
Reserved
R
0h
23-21
Reserved
R/W
0h
Reserved.
20-15
reg_zq_zqcs_shdw
R/W
0h
Shadow field for reg_zq_zqcs. This field is loaded into reg_zq_zqcs
field in SDRAM Timing 3 register when SIdleAck is asserted.
14-13
Reserved
R/W
0h
Reserved.
12-4
reg_t_rfc_shdw
R/W
0h
Shadow field for reg_t_rfc. This field is loaded into reg_t_rfc field in
SDRAM Timing 3 register when SIdleAck is asserted.
3-0
reg_t_ras_max_shdw
R/W
0h
Shadow field for reg_t_ras_max. This field is loaded into
reg_t_ras_max field in SDRAM Timing 3 register when SIdleAck is
asserted.
436
Memory Subsystem
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated