Table 4-7 Emi Maximum Dram Size (Relative Addressing) - Motorola DSP56009 User Manual

External Memory Interface
EMI Programming Model
Table 4-6 EMI Maximum SRAM Size (Continued)
EAM[3:0]
0001 and 0010
0001 and 0010
0001 and 0010
0001 and 0010
0001 and 0010
0011
0011
0011
0011
0011
0011

Table 4-7 EMI Maximum DRAM Size (Relative Addressing)

EAM[3:0]
0100
0100
0100
0100
0100
0100
0101
0101
0101
0101
0101
4-14
Bus Width
4
4
8
8
8
4
4
4
8
8
8
Bus Width Word Length
4
4 12 or 16
4 20 or 24
8
8 12 or 16
8 20 or 24
4
4 12 or 16
4 20 or 24
8
8 12 or 16
DSP56009 User's Manual
Word Length
12 or 16
20 or 24
8
12 or 16
20 or 24
8
12 or 16
20 or 24
8
12 or 16
20 or 24
DRAM devices
64 K × 4
8
64 K × 4
64 K × 4
2 × 64 K × 4
8
2 × 64 K × 4
2 × 64 K × 4
256 K × 4
8
256 K × 4
256 K × 4
2 × 256 K × 4
8
2 × 256 K × 4
Number of Words
64 K
32 K
256 K
128 K
64 K
64 K
32 K
16 K
128 K
64 K
32 K
Number of
Words
32 K
16 K
8 K
64 K
32 K
16 K
128 K
64 K
32 K
256 K
128 K
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