IS42VM32800E Datasheet, PDF (7/33 Pages) Integrated Silicon Solution, Inc – 2M x 32Bits x 4Banks Mobile Synchronous DRAM

IS42/45SM/RM/VM32800E
Figure5: Extended Mode Register
BA1 BA0 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
Address Bus
13
12 11 10
9
8
7
6
5
4
3
2
1
0
1
0
0
0
0
0
DS
0
0
PASR
Extended Mode Register (Ex)
E7 E6 E5
000
001
010
011
100
101
110
111
Driver Strength
Full Strength
1/2 Strength
1/4 Strength
1/8 Strength
3/4 Strength
Reserved
Reserved
Reserved
E2 E1 E0
Self Refresh Coverage
0
0
0 All Banks
0
0
1 Two Banks (BA1=0)
0
1
0 One Bank (BA1=BA0=0)
0
1
1 Reserved
1
0
0 Reserved
1
0
1 Half of One Bank (BA1=BA0=0, Row Address MSB=0)
1
1
0 Quarter of One Bank (BA1=BA0=0, Row Address 2 MSB=0)
1
1
1 Reserved
Note: E13 (BA1) must be set to “1” and E12 (BA0) must be set to “0” to select Extended Mode Register (vs. the base Mode Register)
Rev. A| March 2013
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