W9425G6EH_0812 Datasheet, PDF (41/54 Pages) Winbond – 4 M × 4 BANKS × 16 BITS DDR SDRAM

11.7 Extend Mode Register Set (EMRS) Timing
W9425G6EH
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 "
A10 " 0 "
A11 " 0 "
Reserved
A12 " 0 "
BA0 " 0 " ^{Mode Register Set}
or
Extended Mode
BA1 " 0 "
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:Dec. 03, 2008
Revision A08