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Microchip ATSAM3S1AB-AU, 32 bit ARM Cortex M3, Atmega Microcontroller, 20 MHz, 64kB FLASH, 48-Pin LQFP

RS Stock No.:: 131-0380
Mfr. Part No.:: ATSAM3S1AB-AU
Brand:: Microchip

Microchip ATSAM3S1AB-AU, 32 bit ARM Cortex M3, Atmega Microcontroller, 20 MHz, 64kB FLASH, 48-Pin LQFP

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Bulk discount available

Subtotal (1 pack of 2 units)*

$13.27

(exc. VAT)

$15.26

(inc. VAT)

FREE delivery for orders over $60.00 ex GST

Temporarily out of stock

Shipping from 09 February 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit	Per Pack*
2 - 8	$6.635	$13.27
10 - 48	$6.485	$12.97
50 - 98	$6.20	$12.40
100 +	$6.00	$12.00

*price indicative

RS Stock No.:: 131-0380
Mfr. Part No.:: ATSAM3S1AB-AU
Brand:: Microchip

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Microchip
	Series	Atmega
	Product Type	Microcontroller
	Package Type	LQFP
	Mount Type	Surface, Through Hole
	Pin Count	48
	Device Core	ARM Cortex M3
	Data Bus Width	32bit
	Interface Type	SPI, 2 Wire, USART
	Program Memory Size	64kB
	Maximum Clock Frequency	20MHz
	RAM Size	16kB
	Maximum Supply Voltage	5.5V
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	85°C
	Standards/Approvals	GREEN, Halide Free, RoHS
	Length	7mm
	Analogue Comparators	1
	Width	7 mm
	DACs	2 x 12 Bit
	Number of Programmable I/Os	23
	Height	1.45mm
	Minimum Supply Voltage	1.8V
	Instruction Set Architecture	RISC
	Automotive Standard	No
	ADCs	8 x 12 Bit
	Number of Timers	1
	Program Memory Type	FLASH

	Select all
	Brand Microchip
	Series Atmega
	Product Type Microcontroller
	Package Type LQFP
	Mount Type Surface, Through Hole
	Pin Count 48
	Device Core ARM Cortex M3
	Data Bus Width 32bit
	Interface Type SPI, 2 Wire, USART
	Program Memory Size 64kB
	Maximum Clock Frequency 20MHz
	RAM Size 16kB
	Maximum Supply Voltage 5.5V
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 85°C
	Standards/Approvals GREEN, Halide Free, RoHS
	Length 7mm
	Analogue Comparators 1
	Width 7 mm
	DACs 2 x 12 Bit
	Number of Programmable I/Os 23
	Height 1.45mm
	Minimum Supply Voltage 1.8V
	Instruction Set Architecture RISC
	Automotive Standard No
	ADCs 8 x 12 Bit
	Number of Timers 1
	Program Memory Type FLASH

SMART SAM3S ARM® Cortex-M3 Microcontrollers

Based on the ARM® Cortex®-M3 core, the Atmel® SMART SAM3S Flash microcontroller (MCU) integrates features to simplify system design and reduce power consumption down to 2.3mW at 1MHz, 1.45mW/MHz at 64MHz operation and 1.6μA in backup mode with the Real-Time-Clock running. The series also includes parallel capture mode, and QTouch capacitive touch support.

Microchip ATSAM3S1AB-AU, 32 bit ARM Cortex M3, Atmega Microcontroller, 20 MHz, 64kB FLASH, 48-Pin LQFP

FREE delivery for orders over $60.00 ex GST

SMART SAM3S ARM® Cortex-M3 Microcontrollers

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