Unsupported Multiplexed Row And Column Address Bits - Motorola MPC8240 User Manual

Table 6-16. Unsupported Multiplexed Row and Column Address Bits
32-bit Data Bus Mode
Table 6-17. Supported FPM or EDO DRAM Device Configurations
Devices
DRAM
(64-bit
Devices
Bank)
4 Mbits 4
4
8
8
16
16
64
64
16 Mbits 2
2
4
4
4
8
8
16
16
64
64
Chapter 6. MPC8240 Memory Interface
64-bit Data Bus Mode
13x10
13x9
13x8
12x8
12x7
11x8
11x7
10x8
Device Row x Column
Configuration Bits
256 Kbits x 16 9 x 9
256 Kbits x 16 10 x 8
(64-bit only)
512 Kbits x 8 10 x 9
512 Kbits x 8 11 x 8
(64-bit only)
1 Mbits x 4 10 x 10
1 Mbits x 4 11 x 9
4 Mbits x 1 12 x 10
4 Mbits x 1 11 x 11
512 Kbits x 32 11 x 8
512 Kbits x 32 10 x 9
1 Mbits x 16 12 x 8
(64-bit only)
1 Mbits x 16 11 x 9
1 Mbits x 16 10 x 10
2 Mbits x 8 12 x 9
2 Mbits x 8 11 x 10
4 Mbits x 4 12 x 10
4 Mbits x 4 11 x 11
16 Mbits x 1 13 x 11
16 Mbits x 1 12 x 12
FPM or EDO DRAM Interface Operation
13x10
13x9
13x8
—
12x7
–
11x7
—
64-bit 8 Banks of
Bank Size Memory
(Mbytes) (Mbytes)
2
2
4
4
8
8
32 256
32 256
4
4
8
8
8
16 128
16 128
32 256
32 256
128 1024
128 1024
16
16
32
32
64
64
32
32
64
64
64
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