ATSAM3U-EK Atmel, ATSAM3U-EK Datasheet - Page 80
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
- ATSAM3U-EK PDF datasheet
- ATSAM3U-EK PDF datasheet #2
- ATSAM3U-EK PDF datasheet #3
- ATSAM3U-EK PDF datasheet #4
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- Download datasheet (25Mb)
13.5.2.4
13.5.2.5
13.5.2.6
13.5.2.7
13.5.2.8
13.5.2.9
80
SAM3U Series
Memory management fault
Bus fault
Usage fault
SVCall
PendSV
SysTick
A memory management fault is an exception that occurs because of a memory protection
related fault. The MPU or the fixed memory protection constraints determines this fault, for both
instruction and data memory transactions. This fault is used to abort instruction accesses to
Execute Never (XN) memory regions, even if the MPU is disabled.
A bus fault is an exception that occurs because of a memory related fault for an instruction or
data memory transaction. This might be from an error detected on a bus in the memory system.
A usage fault is an exception that occurs because of a fault related to instruction execution. This
includes:
The following can cause a usage fault when the core is configured to report them:
A supervisor call (SVC) is an exception that is triggered by the SVC instruction. In an OS envi-
ronment, applications can use SVC instructions to access OS kernel functions and device
drivers.
PendSV is an interrupt-driven request for system-level service. In an OS environment, use
PendSV for context switching when no other exception is active.
A SysTick exception is an exception the system timer generates when it reaches zero. Software
can also generate a SysTick exception. In an OS environment, the processor can use this
exception as system tick.
• an undefined instruction
• an illegal unaligned access
• invalid state on instruction execution
• an error on exception return.
• an unaligned address on word and halfword memory access
• division by zero.
6430D–ATARM–25-Mar-11
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