beautypg.com

Digi NS9750 User Manual

Page 225

background image

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

2 0 1

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

Table 136 shows the outputs from the memory controller and the corresponding
inputs to the 512M SDRAM (64Mx8, 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

26

26

13

BA0

25

25

12

12

24

-

11

11

23

11

10

10/AP

22

AP

9

9

21

10

8

8

20

9

7

7

19

8

6

6

18

7

5

5

17

6

4

4

16

5

3

3

15

4

2

2

14

3

1

1

13

2

0

0

12

**

Table 136: Address mapping for 512M SDRAM (64Mx8, BRC)