30
DS508UM1
SDRAM Details
Arrangement of SDRAMs
(C = # Columns of SDRAM, R = # Rows of SDRAM, D = # of SDRAMs)
2 Mbytes
4 Mbytes
8 Mbytes
16 Mbytes
32 Mbytes
64 Mbytes
Den-
sity
(Mbits)
Width
(bits)
C
R
D
C
R
D
C
R
D
C
R
D
C
R
D
C
R
D
16.
4.
. . . . . . 4.
1.
4.
. . . . . . . . .
.
8.
. . . 2.
1.
2.
. . . . . . . . . . . .
.
16.
1.
1.
1.
. . . . . . . . . . . . . . .
64.
4.
. . . . . . . . . . . . 4.
1.
4.
4.
2.
8.
.
8.
. . . . . . . . . 2. 1. 2. 2. 2. 4. . . .
.
16.
. . . . . . 1. 1. 1. 1. 2. 2. . . . . . .
128.
4.
. . . . . . . . . . . . . . . 4.
1.
4.
.
8.
. . . . . . . . . . . . 2.
1.
2.
2.
2.
4.
.
16.
. . . . . . . . . 1. 1. 1. 1. 2. 2. . . .
256.
4.
. . . . . . . . . . . . . . . . . .
.
8.
. . . . . . . . . . . . . . . 2.
1.
2.
.
16.
. . . . . . . . . . . . 1.
1.
1.
1.
2.
2.
Table 13. SDRAM Configurations (SDRAM 16-Bit Memory Interface)
Summary of Contents for EP7312
Page 8: ...DS508UM1 9 Part I EP7312 User s Manual...
Page 58: ...DS508UM1 59 Part II Pin and Register Reference...
Page 122: ......
