GA101

Manufacturer:	Microchip
Product Category:	RF Microcontrollers – MCU
Core:	ARM Cortex M0+
Data Bus Width:	32 bit
Program Memory Size:	256 kB
Data RAM Size:	32 kB
Maximum Clock Frequency:	48 MHz
ADC Resolution:	12 bit
Supply Voltage – Min:	3.3 V
Supply Voltage – Max:	3.3 V
Maximum Operating Temperature:	+ 125 C
Package / Case:	QFN-48
Mounting Style:	SMD/SMT
Packaging:	Tray
Brand:	Microchip Technology
Data RAM Type:	SRAM
Interface Type:	SPI, UART, USB
Minimum Operating Temperature:	– 40 C
Moisture Sensitive:	Yes
Number of ADC Channels:	8 Channel
Number of I/Os:	28 I/O
Operating Supply Voltage:	3.3 V
Processor Series:	SAMR21G
Product Type:	RF Microcontrollers – MCU
Program Memory Type:	Flash
Series:	ATSAMR21
Factory Pack Quantity:	416
Subcategory:	Wireless & RF Integrated Circuits
Technology:	Si
Tradename:	SMART
Unit Weight:	0.005309 oz

More Information

R21 SMART ARM-Based Wireless Microcontrollers

Microchip R21 SMART ARM-Based Wireless Microcontrollers are low power and feature 32-bit ARM® Cortex®-M0+ processors with an integrated 2.4GHz ISM band transceiver. The R21 devices are available in 32- and 48-pin packages with up to 256KB Flash, 32KB of SRAM and operate with a maximum frequency of 48MHz and reach 2.46 Coremark/MHz. The R21 is designed for simple and intuitive migration with identical peripheral modules, hex compatible code, identical linear address map, and pin-compatible migration paths. All devices include intelligent and flexible peripherals, Atmel Event System for inter-peripheral signaling, and support for capacitive touch button, slider, and wheel user interfaces.

Connected (Wired & Wireless)

Microchip Technology Connectivity is easy to add to applications, as Microchip’s MCUs and MPUs are designed to be compatible with Microchip wired and wireless devices. Robust, reliable, high-speed connectivity is available with a broad portfolio of wired connectivity solutions. Mobility, convenience, and enhanced user experience are possible with a wide range of wireless connectivity solutions. And, with pre-certified modules, designers can avoid worrying about communication regulations.‌

32-Bit SAM Microcontrollers

Microchip Technology 32-Bit SAM Microcontrollers, powered by Arm® Cortex® CPUs, provide a unique combination of performance, power efficiency, and design flexibility. SAM MCUs offer a variety of advanced peripherals that make them an excellent option for developing all kinds of 32-bit embedded applications. These peripherals include the enhanced Peripheral Touch Controller (PTC), low-power sleepwalking peripherals, the efficient Event System, and a rich set of high-performance analog features.

Wireless Connectivity

Microchip Technology Wireless Connectivity Solutions enable you to quickly incorporate connectivity into your designs with wireless ICs, modules, software, and development kits that make connecting effortless for your customers. Microchip’s comprehensive wireless portfolio has the technology to meet your range, data rate, interoperability, frequency, and topology needs. Microchip Technology’s fully certified modules enable drop-in wireless connectivity, saving development costs and reducing time to market.

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