Digi NS7520B-1-C36 Hardware Reference Manual page 125

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2x16M SDRAM signal components
NS7520 signal
16 Mb (1Mx16)
A2
A0
A3
A1
A4
A2
A5
A3
A6
A4
A7
A5
A8
A6
A9
A7
A10
A8
A11
A9
A12
A13
A21
BA
A22
A23
BCLK
CLK
VCC
CKE
D31-D16
D15-D00 - Device 1
D15-D00
D15-D00 - Device 2
D31-D00
Table 42: x32 SDRAM interconnect
x16 SDRAM configuration
Table 43 identifies the interconnect between the NS7520 and SDRAM when SDRAM is
used in an x16 configuration. An x16 SDRAM configuration typically is constructed
using one x16 SDRAM component.
1x32 SDRAM component
64Mb (4Mx16)
64Mb (2Mx32)
A0
A0
A1
A1
A2
A2
A3
A3
A4
A4
A5
A5
A6
A6
A7
A7
A8
A8
A9
A9
A11
BA1
BA0
BA0
BA1
CLK
CLK
CKE
CKE
D15-D00 - Device 1
D15-D00 - Device 2
D31-D00
w w w . d i g i e m b e d d e d . c o m
M e m o r y C o n t r o l l e r M o d u l e
128Mb (4Mx32)
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A11
BA0
BA1
CLK
CKE
D31-D00
1 1 3

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