Digi NS9750 User Manual

Page 220

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D y n a m i c m e m o r y c o n t r o l l e r

1 9 6

N S 9 7 5 0 H a r d w a r e R e f e r e n c e

Table 130 shows the outputs from the memory controller and the corresponding
inputs to the 64M SDRAM (8Mx*, pins 13 and 14 used as bank selects).

4

4

13

5

3

3

12

4

2

2

11

3

1

1

10

2

0

0

9

**

Output address
(

ADDROUT

)

Memory device
connections

AHB address to row
address

AHB address to
column address

14

BA1

23

23

13

BA0

22

22

12

-

-

-

11

11

21

-

10

10/AP

20

AP

9

9

19

-

8

8

18

9

7

7

17

8

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

**

Table 130: Address mapping for 64M SDRAM (8Mx8, BRC)

Output address
(

ADDROUT

)

Memory device
connections

AHB address to row
address

AHB address to
column address

Table 129: Address mapping for 64M SDRAM (4Mx16, BRC)

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