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Microchip, 32bit ARM Cortex M0+, ATSAMD Microcontroller, 48MHz, 256 kB Flash, 48-Pin QFN

RS Stock No.:: 177-3813
Mfr. Part No.:: ATSAMD21G18A-MU
Manufacturer:: Microchip

Microchip, 32bit ARM Cortex M0+, ATSAMD Microcontroller, 48MHz, 256 kB Flash, 48-Pin QFN

Bulk discount available

Subtotal (1 pack of 5 units)*

HK$158.90

FREE delivery for orders over HK$250.00

In Stock

Plus 1,750 unit(s) shipping from 08 December 2025

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

Units	Per unit	Per Pack*
5 - 100	HK$31.78	HK$158.90
105 - 205	HK$31.14	HK$155.70
210 +	HK$30.52	HK$152.60

*price indicative

RS Stock No.:: 177-3813
Mfr. Part No.:: ATSAMD21G18A-MU
Manufacturer:: Microchip

Specifications

Product overview and Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Microchip
	Family Name	ATSAMD
	Package Type	QFN
	Mounting Type	Surface Mount
	Pin Count	48
	Device Core	ARM Cortex M0+
	Data Bus Width	32bit
	Program Memory Size	256 kB
	Maximum Frequency	48MHz
	RAM Size	32 kB
	USB Channels	1
	Number of PWM Units	1
	Number of SPI Channels	6
	Number of USART Channels	6
	Typical Operating Supply Voltage	3.6 (Maximum) V
	Number of UART Channels	6
	Number of I2C Channels	6
	Number of CAN Channels	0
	Number of LIN Channels	6
	Height	0.9mm
	Width	7mm
	Dimensions	7 x 7 x 0.9mm
	Pulse Width Modulation	1 (20 Channel)
	Program Memory Type	Flash
	Maximum Number of Ethernet Channels	0
	Instruction Set Architecture	ARM
	Minimum Operating Temperature	-40 °C
	Number of PCI Channels	0
	Number of Ethernet Channels	0
	Maximum Operating Temperature	+85 °C
	Automotive Standard	AEC-Q100
	Number of ADC Units	1
	Length	7mm
	ADCs	14 x 12 bit

	Select all
	Brand Microchip
	Family Name ATSAMD
	Package Type QFN
	Mounting Type Surface Mount
	Pin Count 48
	Device Core ARM Cortex M0+
	Data Bus Width 32bit
	Program Memory Size 256 kB
	Maximum Frequency 48MHz
	RAM Size 32 kB
	USB Channels 1
	Number of PWM Units 1
	Number of SPI Channels 6
	Number of USART Channels 6
	Typical Operating Supply Voltage 3.6 (Maximum) V
	Number of UART Channels 6
	Number of I2C Channels 6
	Number of CAN Channels 0
	Number of LIN Channels 6
	Height 0.9mm
	Width 7mm
	Dimensions 7 x 7 x 0.9mm
	Pulse Width Modulation 1 (20 Channel)
	Program Memory Type Flash
	Maximum Number of Ethernet Channels 0
	Instruction Set Architecture ARM
	Minimum Operating Temperature -40 °C
	Number of PCI Channels 0
	Number of Ethernet Channels 0
	Maximum Operating Temperature +85 °C
	Automotive Standard AEC-Q100
	Number of ADC Units 1
	Length 7mm
	ADCs 14 x 12 bit

Datasheet

A low-power, high-performance Microchip's ARM® Cortex®-M0+ based flash microcontroller, the ATSAMD21G18 is ideal for a wide range of home automation, consumer, metering, and industrial applications.

256KB of flash and 32KB of SRAM
Up to 48MHz operating frequency
Six serial communication modules (SERCOM)

Microchip, 32bit ARM Cortex M0+, ATSAMD Microcontroller, 48MHz, 256 kB Flash, 48-Pin QFN

FREE delivery for orders over HK$250.00

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