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SA-1110 Developer’s Manual 187
Memory and PC-Card Control Module
Figure 10-24. DRAM System Example
A6625-01
nRAS
<3:0>
nCAS
<3:0>
nWE
nOE
D31-0
nCS3-0
A25,
A24-10/
DRA14-0
A9-0
3
2
1
0
31:16
15:0
DRA<11:0>
A<21:2>
31:16
0
15:0
3
2
1
0
3
2
1
0
RAS#
WE#
OE#
UCAS#
LCAS#
A11-0
D15-0
3
2
1
0
1Mx16
DRAM
0
123
1 2 3
RAS#
WE#
OE#
UCAS#
LCAS#
A11-0
D15-0
1Mx16
DRAM
CE#
WE#
OE#
A19-0
D15-0
1Mx16
Flash
D15-0
1Mx16
Flash
CE#
WE#
OE#
A19-0
CE#
WE#
OE#
A19-0
D15-0
1Mx16
Flash
D15-0
1Mx16
Flash
CE#
WE#
OE#
A19-0
CE#
OE#
A19-0
D15-0
1Mx16
ROM
CE#
OE#
A19-0
D15-0
1Mx16
ROM
CE#
OE#
A19-0
D15-0
1Mx16
ROM
CE#
OE#
A19-0
D15-0
1Mx16
ROM
RAS#
WE#
OE#
UCAS#
LCAS#
A11-0
D15-0
RAS#
WE#
OE#
UCAS#
LCAS#
A11-0
D15-0
1Mx16
DRAM
1Mx16
DRAM
RAS#
WE#
OE#
UCAS#
LCAS#
A11-0
D15-0
1Mx16
DRAM
RAS#
WE#
OE#
UCAS#
LCAS#
A11-0
D15-0
1Mx16
DRAM
RAS#
WE#
OE#
UCAS#
LCAS#
A11-0
1Mx16
DRAM
D15-0
RAS#
WE#
OE#
UCAS#
LCAS#
A11-0
D15-0
1Mx16
DRAM
ROM Bank 0 ROM Bank 1 Flash Bank 1Flash Bank 0
DRAM Bank 0 DRAM Bank 1 DRAM Bank 3DRAM Bank 2
Intel
®
StrongARM
*
SA-1110