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Atmel ATSAML21J18B

ARM Cortex-M0+, 48 MHz, 256 kB ROM, 40 kB RAM

A rich set of peripherals, flexibility and ease-of-use combined with Ultra low power consumption make the Atmel ǀ SMART SAM L21 ARM Cortex-M0+ based microcontroller series ideal for IoT, wireless, and any system that needs large memories and ultra-low power consumption. The SAM L21 is designed for simple and intuitive migration between SAM L devices with identical peripheral modules, compatible code and a linear address map and is compatible with the SAM D family of general-purpose MCUs.

Core ARM Cortex-M0+, 48 MHz 16 -channel DMA
  • DMA:16 -channel DMA
  • Processor:ARM Cortex-M0+, 48 MHz
  • Cryptographic Engine:128.256 -bit Advanced Encryption Standard
  • RNG:True Random Number Generator
  • Other:12 x Event System channels
Memory 40 kB RAM, 256 kB ROM
  • ROM:256 kB
  • RAM:32 kB
  • RAM:8 kB
Clock & Power 1.63 V .. 3.63 V, 48 MHz
  • Supply Voltage:1.63 V .. 3.63 V Operating Voltage
  • Maximum Clock Frequency:48 MHz
  • RTC:32 kHz
  • Other:1 x USB Embedded Host and Device mode
  • Other:6 x SERCOMM (i2C, USART, SPI)
Timer/Counter/PWM 3 x 32-bit Timer, 5 x 32-bit Timer
  • Watchdog:1 x Watchdog Timer
  • Timer/Counter:3 x 32-bit Timer/Counter for Control
  • Timer/Counter:5 x 32-bit Timer/Counter
Analog 2-channel 10 bit DAC, 20-channel 12 bit ADC, 2 x Analog Comparator
  • ADC:20-channel x 12 bit ADC
  • DAC:2-channel x 10 bit DAC
  • Temperature Sensor:1 x
  • Other:2 x Analog Comparator
I/O & Package -40 °C .. 85 °C, 64-QFP, 64-QFN
  • Operating Temperature Range:-40 °C .. 85 °C Operating Temperature Range
  • I/Os:51 General Purpose I/Os
  • External Interrupts:16 External Interrupts
  • Package, QFP:64-lead TQFP Package
  • Package, QFN:64-pad QFN Package
  • Other:1 x Operational Amplifier
  • Capacitive Touch Inputs:1 x Peripheral Touch Controller
Development Tools
CMSIS Drivers No CMSIS-Driver in Device Family Pack.
Examples
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