W9425G6JH_13 Datasheet, PDF (39/52 Pages) Winbond – 4 M x 4 BANKS x 16 BITS DDR SDRAM

W9425G6JH
12.7 Extend Mode Register Set (EMRS) Timing
CLK
CLK
CMD
EMRS
tMRD
NEXT CMD
ADD
Register Set data
A0
DLL Switch
A1
Buffer Strength
A2 "0"
A3 "0"
A4 "0"
Reserved
A5 "0"
A6
Buffer Strength
A7 "0"
A8 "0"
A9 "0"
Reserved
A10 "0"
A11 "0"
A12 "0"
BA0 "0"
BA1 "0"
Mode Register Set
or
Extended Mode
Register Set
* "Reserved" should stay "0" during EMRS cycle
A0
DLL Switch
0
Enable
1
Disable
A6
A1
0
0
0
1
1
0
1
1
Buffer Strength
100% Strength
60% Strength
Reserved
30% Strength
BA1
BA0
0
0
0
1
1
0
1
1
MRS or EMRS
Regular MRS cycle
Extended MRS cycle
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Publication Release Date: Aug. 27, 2013
Revision A03