Digi NS9750 User Manual

Page 192

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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 6 8

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

Table 95 shows the outputs from the memory controller and the corresponding inputs
to the 64 M SDRAM (8Mx8, pins 13 and 14 used as bank selects).

Table 96 shows the outputs from the memory controller and the corresponding inputs
to the 128M SDRAM (4Mx32, pins 13 and 14 used as bank selects).

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

-

8

8

21

10

7

7

20

9

6

6

19

8

5

5

18

7

4

4

17

6

3

3

16

5

2

2

15

4

1

1

14

3

0

0

13

2

Table 95: Address mapping for 64M SDRAM (8Mx8, RBC)

Output address
(

ADDROUT

)

Memory device
connections

AHB address to row
address

AHB address to
column address

14

BA1

11

11

13

BA0

10

10

12

-

-

-

Table 96: Address mapping for 128M SDRAM (4Mx32, RBC)

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