ATSAM3S2AA-AU Atmel, ATSAM3S2AA-AU Datasheet - Page 33
ATSAM3S2AA-AU
Manufacturer Part Number
ATSAM3S2AA-AU
Description
IC MCU 32BIT 128KB FLASH 48LQFP
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S2AA-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
34
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 1.95 V
Data Converters
A/D 8x10/12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Controller Family/series
ATSAM3S
No. Of I/o's
34
Ram Memory Size
32KB
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATSAM3S2AA-AU
Manufacturer:
AMD
Quantity:
101
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8.1
8.2
8.2.1
8.2.2
8.2.3
6500C–ATARM–8-Feb-11
System Controller and Peripherals Mapping
Power-on-Reset, Brownout and Supply Monitor
Power-on-Reset
Brownout Detector on VDDCORE
Supply Monitor on VDDIO
Please refer to
All the peripherals are in the bit band region and are mapped in the bit band alias region.
The SAM3S embeds three features to monitor, warn and/or reset the chip:
• Power-on-Reset on VDDIO
• Brownout Detector on VDDCORE
• Supply Monitor on VDDIO
The Power-on-Reset monitors VDDIO. It is always activated and monitors voltage at start up but
also during power down. If VDDIO goes below the threshold voltage, the entire chip is reset. For
more information, refer to the “Electrical Characteristics” section of the datasheet.
The Brownout Detector monitors VDDCORE. It is active by default. It can be deactivated by soft-
ware through the Supply Controller (SUPC_MR). It is especially recommended to disable it
during low-power modes such as wait or sleep modes.
If VDDCORE goes below the threshold voltage, the reset of the core is asserted. For more infor-
mation, refer to the “Supply Controller” and Electrical Characteristics sections of the datasheet.
The Supply Monitor monitors VDDIO. It is not active by default. It can be activated by software
and is fully programmable with 16 steps for the threshold (between 1.9V to 3.4V). It is controlled
by the Supply Controller (SUPC). A sample mode is possible. It allows to divide the supply mon-
itor power consumption by a factor of up to 2048. For more information, refer to the “SUPC” and
“Electrical Characteristics” sections of the datasheet.
Section 7-1 “SAM3S Product Mapping” on page
SAM3S Preliminary
27.
33
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