Table 4-8 Emi Maximum Dram Size (Absolute Addressing) - Motorola DSP56009 User Manual

Table 4-7 EMI Maximum DRAM Size (Relative Addressing) (Continued)
EAM[3:0]
0101
0110
0110
0110
0110
0110
0110
0111
0111
0111
0111
0111
0111

Table 4-8 EMI Maximum DRAM Size (Absolute Addressing)

EAM[3:0]
1100
1100
1100
1100
1100
1100
1100
1100
1101
1101
1101
1101
MOTOROLA
Bus Width Word Length
8 20 or 24
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
8 20 or 24
Bus Width Word Length
4
4
4
4
4
8
8 12 or 16
8 20 or 24
4
4
4
4
DSP56009 User's Manual
External Memory Interface
DRAM devices
2 × 256 K × 4
1 M × 4
8
1 M × 4
1 M × 4
2 × 1 M × 4
8
2 × 1 M × 4
2 × 1 M × 4
4 M × 4
8
4 M × 4
4 M × 4
2 × 4 M × 4
8
2 × 4 M × 4
2 × 4 M × 4
DRAM devices
64 K × 4
8
64 K × 4
12
64 K × 4
16
64 K × 4
20
64 K × 4
24
2 × 64 K × 4
8
2 × 64 K × 4
2 × 64 K × 4
256 K × 4
8
256 K × 4
12
256 K × 4
16
256 K × 4
20
EMI Programming Model
Number of
Words
64 K
512 K
256 K
128 K
1 M
512 K
256 K
2 M
1 M
512 K
4 M
2 M
1 M
Number of
Words
32 K
21,845
16 K
13,107
10,922
64 K
32 K
21,845
128 K
87,381
64 K
52,428
4-15