ATSAM3S1BA-AU Atmel, ATSAM3S1BA-AU Datasheet - Page 39

• Manufacturer Part Number: ATSAM3S1BA-AU
• Description: IC MCU 32BIT 64KB FLASH 64LQFP
• Manufacturer: Atmel
• Series: SAM3Sr

Specifications of ATSAM3S1BA-AU

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 47
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.62 V ~ 1.95 V
• Data Converters: A/D 10x10/12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Controller Family/series: ATSAM3S
• No. Of I/o's: 47
• Ram Memory Size: 16KB
• Cpu Speed: 64MHz
• No. Of Timers: 6
• Rohs Compliant: Yes
• Processor Series: ATSAM3x
• Core: ARM Cortex M3
• 3rd Party Development Tools: JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ATSAM3S-EK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

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
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