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Atmel ATSAMR21E19A

ARM Cortex-M0+, 48 MHz, 256 kB ROM, 32 kB RAM

The Atmel SAM R21 is a series of feature-rich, extremely low-power 2.4GHz wireless Cortex M0+MCUs that are designed for industrial and consumer wireless applications, either running proprietary communication stacks or solutions compliant to the IEEE 802.15.4 standard.

Core ARM Cortex-M0+, 48 MHz 12 -channel DMA channel
  • DMA:12 -channel DMA channel
  • Processor:ARM Cortex-M0+, 48 MHz
Memory 32 kB RAM, 256 kB ROM
  • ROM:256 kB
  • RAM:32 kB
Clock & Power 1.8 V .. 3.6 V, 48 MHz
  • Supply Voltage:1.8 V .. 3.6 V Operating Voltage
  • Maximum Clock Frequency:48 MHz
  • RTC:32 kHz RTC
Communication Other, Multi-Purpose Serial Peripheral
  • Other:1 x USB (host/device)
  • Other:1 x Transceiver for 2.4GHz ISM Band
  • Multi-Purpose Serial Peripheral:4 x Multi-Purpose Serial Interface Module: I2C, SPI, USART, LIN slave
Timer/Counter/PWM 6 x 32-bit Timer
  • Watchdog:1 x Watchdog
  • Timer/Counter:6 x 32-bit Timer/Counter Module
Analog 4-channel 12 bit ADC, 2 x Analog Comparator
  • ADC:4-channel x 12 bit ADC
  • Other:2 x Analog Comparator
I/O & Package -40 °C .. 125 °C, 32-QFN
  • Operating Temperature Range:-40 °C .. 125 °C Operating Temperature Range
  • I/Os:16 Inputs/Outputs
  • External Interrupts:14 External Interrupts
  • Package, QFN:32-pad QFN Package
  • Capacitive Touch Inputs:1 x Capacitive Touch Inputs
Development Tools
CMSIS Drivers No CMSIS-Driver in Device Family Pack.
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