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6-22 Intel® PXA255 Processor Developer’s Manual
Memory Controller
1x12x10x16 22 21 20 19 18 17 16 15 14 13 12 11 10 21 ‘0’ 23 9 8 7 6 5 4 3 2 1
1x12x11x32 NOT VALID (illegal addressing combination) NOT VALID (illegal addressing combination)
1x12x11x16 NOT VALID (illegal addressing combination) NOT VALID (illegal addressing combination)
1x13x8x32 23 22 21 20 19 18 17 16 15 14 13 12 11 10 21 ‘0’ 9 8 7 6 5 4 3 2
1x13x8x16 NOT VALID (illegal addressing combination) NOT VALID (illegal addressing combination)
1x13x9x32 23 22 21 20 19 18 17 16 15 14 13 12 11 10 21 ‘0’ 24 9 8 7 6 5 4 3 2
1x13x9x16 23 22 21 20 19 18 17 16 15 14 13 12 11 10 21 ‘0’ 9 8 7 6 5 4 3 2 1
1x13x10x32 23 22 21 20 19 18 17 16 15 14 13 12 11 10 21 ‘0’ 25 24 9 8 7 6 5 4 3 2
1x13x10x16 23 22 21 20 19 18 17 16 15 14 13 12 11 10 21 ‘0’ 24 9 8 7 6 5 4 3 2 1
1x13x11x32 NOT VALID (illegal addressing combination) NOT VALID (illegal addressing combination)
1x13x11x16 NOT VALID (illegal addressing combination) NOT VALID (illegal addressing combination)
2x11x8x32 22 21 20 19 18 17 16 15 14 13 12 11 10 22 21 ‘0’ 9 8 7 6 5 4 3 2
2x11x8x16 NOT VALID (illegal addressing combination) NOT VALID (illegal addressing combination)
2x11x9x32 22 21 20 19 18 17 16 15 14 13 12 11 10 22 21 ‘0’ 23 9 8 7 6 5 4 3 2
2x11x9x16 22 21 20 19 18 17 16 15 14 13 12 11 10 22 21 ‘0’ 9 8 7 6 5 4 3 2 1
2x11x10x32 22 21 20 19 18 17 16 15 14 13 12 11 10 22 21 ‘0’ 24 23 9 8 7 6 5 4 3 2
2x11x10x16 22 21 20 19 18 17 16 15 14 13 12 11 10 22 21 ‘0’ 23 9 8 7 6 5 4 3 2 1
2x11x11x32 NOT VALID (illegal addressing combination) NOT VALID (illegal addressing combination)
2x11x11x16 NOT VALID (illegal addressing combination) NOT VALID (illegal addressing combination)
2x12x8x32 23 22 21 20 19 18 17 16 15 14 13 12 11 10 23 22 ‘0’ 9 8 7 6 5 4 3 2
2x12x8x16 NOT VALID (illegal addressing combination) NOT VALID (illegal addressing combination)
2x12x9x32 23 22 21 20 19 18 17 16 15 14 13 12 11 10 23 22 ‘0’ 24 9 8 7 6 5 4 3 2
2x12x9x16 23 22 21 20 19 18 17 16 15 14 13 12 11 10 23 22 ‘0’ 9 8 7 6 5 4 3 2 1
2x12x10x32 23 22 21 20 19 18 17 16 15 14 13 12 11 10 23 22 ‘0’ 25 24 9 8 7 6 5 4 3 2
2x12x10x16 23 22 21 20 19 18 17 16 15 14 13 12 11 10 23 22 ‘0’ 24 9 8 7 6 5 4 3 2 1
2x12x11x32 NOT VALID (illegal addressing combination) NOT VALID (illegal addressing combination)
2x12x11x16 NOT VALID (illegal addressing combination) NOT VALID (illegal addressing combination)
Table 6-8. External to Internal Address Mapping for SA-1111 Addressing (Sheet 2 of 3)
# Bits
Bank x
Row x
Col x
Data
External Address pins at SDRAM RAS Time
MA<24:10>
External Address pins at SDRAM CAS Time
MA<24:10>
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10