Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet

295

SAM9G25 [DATASHEET]

11032C–ATARM–25-Jan-13

MATRIX_PRAS0...MATRIX_PRAS8

0xFFFFDE80 [0], 0xFFFFDE88 [1], 0xFFFFDE90 [2], 0xFFFFDE98 [3], 0xFFFFDEA0 [4], 0xFFFFDEA8 [5],
0xFFFFDEB0 [6], 0xFFFFDEB8 [7], 0xFFFFDEC0 [8], 0xFFFFDEC8 [9]

Read-write 

Fixed priority of Master x for accessing the selected slave. The higher the number, the higher the priority.

All the masters programmed with the same MxPR value for the slave make up a priority pool.

Round-robin arbitration is used in the lowest (MxPR = 0) and highest (MxPR = 3) priority pools.

Fixed priority is used in intermediate priority pools (MxPR = 1) and (MxPR = 2).

 for details.

31

30

29

28

27

26

25

24

–

–

M7PR

–

–

M6PR

23

22

21

20

19

18

17

16

–

–

M5PR

–

–

M4PR

15

14

13

12

11

10

9

8

–

–

M3PR

–

–

M2PR

7

6

5

4

3

2

1

0

–

–

M1PR

–

–

M0PR