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Microchip ATSAM3U4CA-AU, 32 bit ARM Cortex M3, Atmega Microcontroller, 20 MHz, 256kB FLASH, 100-Pin LQFP

RS Stock No.:: 131-1187
Mfr. Part No.:: ATSAM3U4CA-AU
Brand:: Microchip

Microchip ATSAM3U4CA-AU, 32 bit ARM Cortex M3, Atmega Microcontroller, 20 MHz, 256kB FLASH, 100-Pin LQFP

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Subtotal (1 unit)*

$13.55

(exc. VAT)

$15.58

(inc. VAT)

FREE delivery for orders over $60.00 ex GST

In Stock

Plus 90 unit(s) shipping from 15 December 2025

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Units	Per unit
1 - 9	$13.55
10 - 24	$13.24
25 +	$12.65

*price indicative

RS Stock No.:: 131-1187
Mfr. Part No.:: ATSAM3U4CA-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
	Product Type	Microcontroller
	Series	Atmega
	Package Type	LQFP
	Mount Type	Surface
	Pin Count	100
	Device Core	ARM Cortex M3
	Data Bus Width	32bit
	Interface Type	I2C, SPI, USART
	Program Memory Size	256kB
	Maximum Clock Frequency	20MHz
	RAM Size	52kB
	Maximum Supply Voltage	5.5V
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	85°C
	Height	1.45mm
	Number of Programmable I/Os	27
	Width	14 mm
	Standards/Approvals	RoHS
	Length	14mm
	Analogue Comparators	1
	DACs	1 x 12 Bit
	Minimum Supply Voltage	1.8V
	Number of Timers	1
	ADCs	8 x 10/12 Bit
	Instruction Set Architecture	RISC
	Program Memory Type	FLASH
	Automotive Standard	No

	Select all
	Brand Microchip
	Product Type Microcontroller
	Series Atmega
	Package Type LQFP
	Mount Type Surface
	Pin Count 100
	Device Core ARM Cortex M3
	Data Bus Width 32bit
	Interface Type I2C, SPI, USART
	Program Memory Size 256kB
	Maximum Clock Frequency 20MHz
	RAM Size 52kB
	Maximum Supply Voltage 5.5V
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 85°C
	Height 1.45mm
	Number of Programmable I/Os 27
	Width 14 mm
	Standards/Approvals RoHS
	Length 14mm
	Analogue Comparators 1
	DACs 1 x 12 Bit
	Minimum Supply Voltage 1.8V
	Number of Timers 1
	ADCs 8 x 10/12 Bit
	Instruction Set Architecture RISC
	Program Memory Type FLASH
	Automotive Standard No

SMART SAM3U ARM® Cortex-M3 Microcontrollers

Based on the ARM® Cortex®-M3 Flash microcontroller, the Atmel® SMART SAM3U comes with on-chip high-speed USB Device-and-Transceiver, SDIO/SDCard/MMC and SPI interfaces. The series also includes QTouch capacitive touch support, dual-bank Flash, and memory protection unit.

Microchip ATSAM3U4CA-AU, 32 bit ARM Cortex M3, Atmega Microcontroller, 20 MHz, 256kB FLASH, 100-Pin LQFP

FREE delivery for orders over $60.00 ex GST

SMART SAM3U ARM® Cortex-M3 Microcontrollers

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