Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Data Sheet

271

SAM4E [DATASHEET]

Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14

MPU_TYPE

Access: Read/Write

Reset: 0x00000800 

The MPU_TYPE register indicates whether the MPU is present, and if so, how many regions it supports.



Indicates the number of supported MPU instruction regions.

Always contains 0x00. The MPU memory map is unified and is described by the DREGION field.



Indicates the number of supported MPU data regions: 

0x08 = Eight MPU regions.



Indicates support for unified or separate instruction and date memory maps:

0: Unified.

31

30

29

28

27

26

25

24

–

23

22

21

20

19

18

17

16

IREGION

15

14

13

12

11

10

9

8

DREGION

7

6

5

4

3

2

1

0

–

SEPARATE