The ultra-low-power ATSAML22 based Flashmicrocontrollers (MCU) feature sophisticated power management technologies andconsumes 39 µA/MHz (CPU running CoreMark) in active mode and down to 490nA inultra low-power backup mode with RTC. In addition to ultra-low-powerperformance, these devices feature Segment LCD controller, tamper detection,smart card interface, Full Speed USB device, Event System and Sleepwalking,12-bit analog, AES, capacitive touch sensing and much more. 

Key Features:

  ARM Cortex-M0+ CPU running at up to 32 MHz

  256KB in-system self-programmable Flash

  8KB Flash Read-While-Write section

  32KB SRAM Main Memory

  Operating voltage: 1.62V – 3.63V

  Segment LCD (SLCD) controller

  Ultra Low Power Architecture consuming 39µA/MHz

  Idle, Standby, Backup, and Off sleep modes

  Battery backup support

  Two Performance Levels

  Embedded Buck/LDO regulator supporting on-the-fly selection

  Peripheral Touch Controller (PTC)

  Wake-up on touch in standby mode

  Two-pin Serial Wire Debug (SWD) programming, test and debugging interface

  Temperature Range - 40°C to 85°C

Peripheral Features:

  16-channel Direct Memory Access Controller (DMAC)

  8-channel Event System

  16-bit Timer/Counters (TC)

  One 24-bit Timer/Counters for Control (TCC)

  Frequency Meter

  32-bit Real Time Counter (RTC) with clock/calendar function

  8x32-bit Backup Register

  Tamper Detection

  Watchdog Timer (WDT)

  CRC-32 generator

  One full-speed (12Mbps) Universal Serial Bus (USB) 2.0 Device

  Up to six Serial Communication Interfaces (SERCOM) including one low-power SERCOM

  ISO7816, USART, I2C, SPI

  One AES Encryption Engine & TRNG

  One Configurable Custom Logic (CCL)

  One 12-bit, 1MSPS Analog-to-Digital Converter (ADC)

  Two Analog Comparators (AC) with window compare function