ATSAM3S-EK Atmel, ATSAM3S-EK Datasheet - Page 201

• Manufacturer Part Number: ATSAM3S-EK
• Description: KIT EVAL FOR ATSAM3S4C
• Manufacturer: Atmel
• Series: SAM3Sr
• Type: MCUr

Specifications of ATSAM3S-EK

• Contents: Board, Cables, Power Supply
• Silicon Manufacturer: Atmel
• Core Architecture: ARM
• Core Sub-architecture: Cortex-M3
• Kit Contents: Board
• Features: TFT Colour LCD Display, SD/MMC Interface
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes
• For Use With/related Products: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10.23.3
• REGION
Indicates the MPU region referenced by the RBAR and RASR registers.
The MPU supports 8 memory regions, so the permitted values of this field are 0-7.
Normally, you write the required region number to this register before accessing the RBAR or RASR. However you can
change the region number by writing to the RBAR with the VALID bit set to 1, see
page
6500C–ATARM–8-Feb-11
202. This write updates the value of the REGION field.
31
23
15
7
MPU Region Number Register
30
22
14
6
The RNR selects which memory region is referenced by the RBAR and RASR registers. See the
register summary in
29
21
13
5
Table 10-35 on page 197
28
20
12
4
Reserved
Reserved
Reserved
REGION
27
19
11
3
for its attributes. The bit assignments are:
“MPU Region Base Address Register” on
26
18
10
2
SAM3S Preliminary
25
17
9
1
24
16
8
0
201