Digi NS9750 User Manual

Page 221

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1 9 7

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

Table 131 shows the outputs from the memory controller and the corresponding
inputs to the 128M SDRAM (8Mx16, pins 13 and 14 used as bank selects).

Table 132 shows the outputs from the memory controller and the corresponding
inputs to the 128 SDRAM (16Mx8, 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

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 131: Address mapping for 128M SDRAM (8Mx16, BRC)

Output address
(

ADDROUT

)

Memory device
connections

AHB address to row
address

AHB address to
column address

14

BA1

23

23

13

BA0

24

24

12

-

-

-

Table 132: Address mapping for 128M SDRAM (16Mx8, BRC)

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