Intel PXA255 Developer's Manual page 202

Intel computer hardware user manual
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Memory Controller
Table 6-7. External to Internal Address Mapping for Normal Bank Addressing (Sheet 2 of 3)
# Bits
External Address pins at SDRAM RAS Time
Bank x
Row x
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
Col x
Data
1x12x10x16
23 22 21 20 19 18 17 16 15 14 13 12 11
1x12x11x32
25 24 23 22 21 20 19 18 17 16 15 14 13
1x12x11x16
24 23 22 21 20 19 18 17 16 15 14 13 12
1x13x8x32
23 22 21 20 19 18 17 16 15 14 13 12 11 10
1x13x8x16
22 21 20 19 18 17 16 15 14 13 12 11 10 9
1x13x9x32
24 23 22 21 20 19 18 17 16 15 14 13 12 11
1x13x9x16
23 22 21 20 19 18 17 16 15 14 13 12 11 10
1x13x10x32
25 24 23 22 21 20 19 18 17 16 15 14 13 12
1x13x10x16
24 23 22 21 20 19 18 17 16 15 14 13 12 11
1x13x11x32
13 26 25 24 23 22 21 20 19 18 17 16 15 14
1x13x11x16
25 24 23 22 21 20 19 18 17 16 15 14 13 12
2x11x8x32
22 21 20 19 18 17 16 15 14 13 12 11 10
2x11x8x16
21 20 19 18 17 16 15 14 13 12 11 10 9
2x11x9x32
23 22 21 20 19 18 17 16 15 14 13 12 11
2x11x9x16
22 21 20 19 18 17 16 15 14 13 12 11 10
2x11x10x32
24 23 22 21 20 19 18 17 16 15 14 13 12
2x11x10x16
23 22 21 20 19 18 17 16 15 14 13 12 11
2x11x11x32
NOT VALID (illegal addressing combination)
2x11x11x16
NOT VALID (illegal addressing combination)
2x12x8x32
23 22 21 20 19 18 17 16 15 14 13 12 11 10
2x12x8x16
22 21 20 19 18 17 16 15 14 13 12 11 10 9
2x12x9x32
24 23 22 21 20 19 18 17 16 15 14 13 12 11
2x12x9x16
23 22 21 20 19 18 17 16 15 14 13 12 11 10
2x12x10x32
25 24 23 22 21 20 19 18 17 16 15 14 13 12
2x12x10x16
24 23 22 21 20 19 18 17 16 15 14 13 12 11
2x12x11x32
26 25 24 23 22 21 20 19 18 17 16 15 14 13
2x12x11x16
25 24 23 22 21 20 19 18 17 16 15 14 13 12
6-20
MA<24:10>
External Address pins at SDRAM CAS Time
MA<24:10>
23
'0' 10 9
8
7
25 12 '0' 11 10 9
8
24 11 '0' 10 9
8
7
23
'0'
9
8
22
'0'
8
7
24
'0'
10 9
8
23
'0'
9
8
7
25
'0' 11 10 9
8
24
'0' 10 9
8
7
13
12 '0' 11 10 9
8
25
11 '0' 10 9
8
7
22 21 '0'
9
8
21 20 '0'
8
7
23 22 '0'
10 9
8
22 21 '0'
9
8
7
24 23 '0' 11 10 9
8
23 22 '0' 10 9
8
7
NOT VALID (illegal addressing combination)
NOT VALID (illegal addressing combination)
23 22
'0'
9
8
22 21
'0'
8
7
24 23
'0'
10 9
8
23 22
'0'
9
8
7
25 24
'0' 11 10 9
8
24 23
'0' 10 9
8
7
26 25 12 '0' 11 10 9
8
25 24 11 '0' 10 9
8
7
Intel® PXA255 Processor Developer's Manual
6
5
4
3
2
1
7
6
5
4
3
2
6
5
4
3
2
1
7
6
5
4
3
2
6
5
4
3
2
1
7
6
5
4
3
2
6
5
4
3
2
1
7
6
5
4
3
2
6
5
4
3
2
1
7
6
5
4
3
2
6
5
4
3
2
1
7
6
5
4
3
2
6
5
4
3
2
1
7
6
5
4
3
2
6
5
4
3
2
1
7
6
5
4
3
2
6
5
4
3
2
1
7
6
5
4
3
2
6
5
4
3
2
1
7
6
5
4
3
2
6
5
4
3
2
1
7
6
5
4
3
2
6
5
4
3
2
1
7
6
5
4
3
2
6
5
4
3
2
1

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