Digi NS9750 User Manual

Page 213

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w w w . d i g i e m b e d d e d . c o m

1 8 9

M e m o r y C o n t r o l l e r

Table 122 shows the outputs from the memory controller and the corresponding
inputs to the 128M SDRAM (16Mx8, pins 13 and 14 used as bank selects).

11

11

23

-

10

10/AP

22

AP

9

9

21

-

8

8

20

9

7

7

19

8

6

6

18

7

5

5

17

6

4

4

16

5

3

3

15

4

2

2

14

3

1

1

13

2

0

0

12

**

Output address
(

ADDROUT

)

Memory device
connections

AHB address to row
address

AHB address to
column address

14

BA1

11

11

13

BA0

12

12

12

-

-

-

11

11

24

-

10

10/AP

23

AP

9

9

22

10

8

8

21

9

7

7

20

8

Table 122: Address mapping for 128M SDRAM (16Mx8, RBC)

Output address
(

ADDROUT

)

Memory device
connections

AHB address to row
address

AHB address to
column address

Table 121: Address mapping for 128M SDRAM (8Mx16, RBC)

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