ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 225
ATSAM3U-EK
Manufacturer Part Number
ATSAM3U-EK
Description
KIT EVAL FOR AT91SAM3U CORTEX
Manufacturer
Atmel
Type
MCUr
Datasheets
1.ATSAM3U-EK.pdf
(2 pages)
2.ATSAM3U-EK.pdf
(61 pages)
3.ATSAM3U-EK.pdf
(1171 pages)
4.ATSAM3U-EK.pdf
(53 pages)
Specifications of ATSAM3U-EK
Contents
Board
Processor To Be Evaluated
SAM3U
Data Bus Width
32 bit
Interface Type
RS-232, USB
Operating Supply Voltage
3 V
Silicon Manufacturer
Atmel
Core Architecture
ARM
Core Sub-architecture
Cortex - M3
Silicon Core Number
SAM3U4E
Silicon Family Name
SAM3U
Kit Contents
Board CD Docs
Rohs Compliant
Yes
For Use With/related Products
AT91SAM3U
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3U-EK
Manufacturer:
Atmel
Quantity:
10
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13.22.9.1
6430D–ATARM–25-Mar-11
MPU configuration for a microcontroller
Usually, a microcontroller system has only a single processor and no caches. In such a system,
program the MPU as follows:
Table 13-40. Memory region attributes for a microcontroller
In most microcontroller implementations, the share ability and cache policy attributes do not
affect the system behavior. However, using these settings for the MPU regions can make the
application code more portable. The values given are for typical situations. In special systems,
such as multiprocessor designs or designs with a separate DMA engine, the share ability attri-
bute might be important. In these cases refer to the recommendations of the memory device
manufacturer.
Memory region
Flash memory
Internal SRAM
External SRAM
Peripherals
TEX
b000
b000
b000
b000
1
1
1
0
C
B
0
0
1
1
1
S
0
1
1
Memory type and attributes
Normal memory, Non-shareable, write-through
Normal memory, Shareable, write-through
Normal memory, Shareable, write-back, write-allocate
Device memory, Shareable
SAM3U Series
225
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