Digi NS9750 User Manual

Page 189

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

1 6 5

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

Table 92 shows the outputs from the memory controller and the corresponding inputs
to the 16M SDRAM (2Mx8, pin 14 used as bank select).

8

8

19

-

7

7

18

9

6

6

17

8

5

5

16

7

4

4

15

6

3

3

14

5

2

2

13

4

1

1

12

3

0

0

11

2

Output address
(

ADDROUT

)

Memory device
connections

AHB address to row
address

AHB address to
column address

14

BA

11

11

13

-

-

-

12

-

-

-

11

-

-

-

10

10/AP

22

AP

9

9

21

-

8

8

20

10

7

7

19

9

6

6

18

8

5

5

17

7

4

4

16

6

Table 92: Address mapping for 16M SDRAM (2Mx8, RBC)

Output address
(

ADDROUT

)

Memory device
connections

AHB address to row
address

AHB address to
column address

Table 91: Address mapping for 16M SDRAM (1Mx16, RBC)

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