A low-power high-performance Microchip's ARM® Cortex®-M0+ based flash microcontroller, the ATSAMD20E16 is ideal for a wide range of home automation consumer metering and industrial applications.

64KB of flash and 8KB of SRAM
Up to 48MHz operating frequency
Four serial communication modules (SERCOM) configurable as UART/USART, SPI or I2C, six 16-bit timer/counters, 32-bit Real Time clock and calendar, 10 PWM channels, one 10-channel 12-bit ADC, one 10-bit DAC
Support for up to 60 touch channels
1.62V to 3.63V power supply
Easy pin migration to SAMD20G and SAMD20J devices
Supported by Atmel Studio, ASF and the SAM D20 Xplained Pro kit
Additional Features
Processor
ARM Cortex-M0+ CPU running at up to 48MHz
Single-cycle hardware multiplier
Memories
64KB in-system self-programmable Flash
8KB SRAM memory
System
Power-on Reset and brown-out detection (BOR)
Internal and external clock options with 48MHdigital frequency locked loop (DFLL48M) and 48MHto 96MHz
fractional digital phase locked loop