Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Hoja De Datos

 227

SAM4S [DATASHEET]

11100E–ATARM–24-Jul-13

The minimum permitted value is 3 (b00010).

The SIZE field defines the size of the MPU memory region specified by the MPU_RNR. as follows:

    (Region size in bytes) = 2

(SIZE+1)

The smallest permitted region size is 32B, corresponding to a SIZE value of 4. The table below gives an example of SIZE values, 
with the corresponding region size and value of N in the MPU_RBAR.

Note:

1. In the MPU_RBAR, see 

Note:

For information about access permission, see 

.

b00100 (4)

32 B

5

Minimum permitted size

b01001 (9)

1 KB

10

-

b10011 (19)

1 MB

20

-

b11101 (29)

1 GB

30

-

b11111 (31)

4 GB

b01100

Maximum possible size