ATSAM3S-EK Atmel, ATSAM3S-EK Datasheet - Page 39
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
ATSAM3S-EK
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3S-EK
Manufacturer:
Atmel
Quantity:
135
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10. ARM Cortex
10.1
10.2
10.3
6500C–ATARM–8-Feb-11
About this section
Embedded Characteristics
About the Cortex-M3 processor and core peripherals
®
M3 Processor
This section provides the information required for application and system-level software devel-
opment. It does not provide information on debug components, features, or operation.
This material is for microcontroller software and hardware engineers, including those who have
no experience of ARM products.
Note: The information in this section is reproduced from source material provided to Atmel by
ARM Ltd. in terms of Atmel’s license for the ARM Cortex
is copyright ARM Ltd., 2008 - 2009.
• Version 2.0
• Thumb-2 (ISA) subset consisting of all base Thumb-2 instructions, 16-bit and 32-bit
• Harvard processor architecture enabling simultaneous instruction fetch with data load/store
• Three-stage pipeline
• Single cycle 32-bit multiply
• Hardware divide
• Thumb and Debug states
• Handler and Thread modes
• Low latency ISR entry and exit
• SysTick Timer
• Nested Vectored Interrupt Controller
• The Cortex-M3 processor is a high performance 32-bit processor designed for the
• outstanding processing performance combined with fast interrupt handling
microcontroller market. It offers significant benefits to developers, including:
– 24-bit down counter
– Self-reload capability
– Flexible System timer
– Thirty maskable external interrupts
– Sixteen priority levels
– Processor state automatically saved on interrupt entry, and restored on
– Dynamic reprioritization of interrupts
– Priority grouping
– Support for tail-chaining and late arrival of interrupts
– Processor state automatically saved on interrupt entry, and restored on interrupt exit,
with no instruction overhead.
selection of preempting interrupt levels and non-preempting interrupt levels.
back-to-back interrupt processing without the overhead of state saving and
restoration between interrupts.
™
SAM3S Preliminary
-M3 processor core. This information
39
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