Digi NS9750 User Manual

Page 223

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

1 9 9

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

Table 134 shows the outputs for the memory controller and the corresponding inputs
to the 256M SDRAM (32Mx8, pins 13 and 14 used as bank selects).

6

6

16

7

5

5

15

6

4

4

14

5

3

3

13

4

2

2

12

3

1

1

11

2

0

0

10

**

Output address
(

ADDROUT

)

Memory device
connections

AHB address to row
address

AHB address to
column address

14

BA1

25

25

13

BA0

24

24

12

12

23

-

11

11

22

-

10

10/AP

21

AP

9

9

20

10

8

8

19

9

7

7

18

8

6

6

17

7

5

5

16

6

4

4

15

5

3

3

14

4

2

2

13

3

Table 134: Address mapping for 256M SDRAM (32Mx8, BRC)

Output address
(

ADDROUT

)

Memory device
connections

AHB address to row
address

AHB address to
column address

Table 133: Address mapping for 256M SDRAM (16Mx16, BRC)

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