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SAMR21G - Wireless Microcontroller

This page provides the datasheet information for the SAMR21G, a member of the SAMR21E Wireless Microcontroller family.

Datasheet Summary

Description

The Atmel® | SMART™ SAM R21 is a series of low-power microcontrollers using the 32-bit ARM® Cortex®-M0+ processor and an integrated ultra-low power 2.4GHz ISM band transceiver.

Features

  • In-system programmable Flash, optional 512KB serial Flash,12-channel direct memory access (DMA) controller, 12-channel Event System, programmable interrupt controller, up to 28 programmable I/O pins, ultra-low power 2.4GHz ISM band transceiver with a data rate of 250kb/s, 32-bit real-time clock and calendar, three 16-bit Timer/Counters (TC) and three 16-bit Timer/Counters for Control (TCC), where each TC can be configured to perform frequency and waveform generation, accurate program execution.

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Datasheet preview – SAMR21G

Datasheet Details

Part number SAMR21G
Manufacturer ATMEL
File Size 7.74 MB
Description Wireless Microcontroller
Datasheet download datasheet SAMR21G Datasheet
Additional preview pages of the SAMR21G datasheet.

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Full PDF Text Transcription

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SMART Atmel SAM R21E / SAM R21G SMART ARM-Based Wireless Microcontroller DATASHEET Description The Atmel® | SMART™ SAM R21 is a series of low-power microcontrollers using the 32-bit ARM® Cortex®-M0+ processor and an integrated ultra-low power 2.4GHz ISM band transceiver. SAM R21 devices are available in 32- and 48-pin packages with up to 256KB Flash, 32KB of SRAM and are operating at a maximum frequency of 48MHz and reach 2.46 Coremark/MHz. They are designed for simple and intuitive migration with identical peripheral modules, hex compatible code, identical linear address map and pin compatible migration paths between all devices in the product series.
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