Intel PXA250 and PXA210 Applications Processors
Intel PXA250 and PXA210 Applications Processors
Intel PXA250 and PXA210 Applications Processors
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.<br />
System Memory Interface<br />
2.4 SDRAM Support<br />
Table 2-2 shows the SDRAM memory types <strong>and</strong> densities that are supported by the applications<br />
processor.<br />
Table 2-2. SDRAM Memory Types Supported by the <strong>Applications</strong> Processor<br />
Partition Size<br />
(Mbyte/Partition)<br />
16-bit<br />
Bus<br />
32-bit<br />
Bus<br />
SDRAM<br />
Configuration<br />
(Words x<br />
Bits)<br />
Chip<br />
Size<br />
Number Chips/<br />
Partition<br />
16-bit<br />
Bus<br />
32-bit<br />
bus<br />
Bank Bits x<br />
Row bits x<br />
Column<br />
Bits<br />
Maximum<br />
Memory<br />
(4 Partitions)<br />
16-bit<br />
Bus<br />
32-bit<br />
Bus<br />
Total Number<br />
of Chips<br />
16-bit<br />
Bus<br />
32-bit<br />
Bus<br />
2 Mbyte 4 Mbyte 1M x 16 16 Mbit 1 2 1 x 11 x 8 8 Mbyte 16 Mbyte 4 8<br />
4 Mbyte 8 Mbyte 2 M x 8 16 Mbit 2 4 1 x 11 x 9 16 Mbyte 32 Mbyte 8 16<br />
8 Mbyte 16 Mbyte 4 M x 4 16 Mbit 4 8 1 x 11 x 10 32 Mbyte 64 Mbyte 16 32<br />
N/A 8 Mbyte 2 M x 32 64 Mbit N/A 1 2 x 11 x 8 N/A 32 Mbyte N/A 4<br />
8 Mbyte 16 Mbyte 4 M x 16 64 Mbit 1 2<br />
1 x 13 x 8<br />
2 x 12 x 8<br />
32 Mbyte 64 Mbyte 4 8<br />
16 Mbyte 32 Mbyte 8 M x 8 64 Mbit 2 4<br />
1 x 13 x 9<br />
2 x 12 x 9<br />
64 Mbyte<br />
128<br />
Mbyte<br />
8 16<br />
32 Mbyte 64 Mbyte 16 M x 4 64 Mbit 4 8<br />
1 x 13 x 10<br />
2 x 12 x 10<br />
128<br />
Mbyte<br />
256<br />
Mbyte<br />
16 32<br />
16 Mbyte 32 Mbyte 8 M x 16 128 Mbit 1 2 2 x 12 x 9 64 Mbyte<br />
128<br />
Mbyte<br />
4 8<br />
32 Mbyte 64 Mbyte 16 M x 8 128 Mbit 2 4 2 x 12 x 10<br />
128<br />
Mbyte<br />
256<br />
Mbyte<br />
8 16<br />
64 Mbyte N/A 32 M x 4 128 Mbit 4 8 2 x 12 x 11<br />
256<br />
Mbyte<br />
N/A 16 32<br />
32 Mbyte 64 Mbyte<br />
16 M x<br />
16<br />
256 Mbit 1 2 2 x 13 x 9<br />
128<br />
Mbyte<br />
256<br />
Mbyte<br />
4 8<br />
64 Mbyte N/A 32 M x 8 256 Mbit 2 4 2 x 13 x 10<br />
256<br />
Mbyte<br />
N/A 8 16<br />
<strong>PXA250</strong> <strong>and</strong> <strong>PXA210</strong> <strong>Applications</strong> <strong>Processors</strong> Design Guide 2-5