A low-power, high-performance Microchip's ARM® Cortex®-M0+ based flash microcontroller, the ATSAMD20J15 is ideal for a wide range of home automation, consumer, metering, and industrial applications. It features: * 32KB of flash and 4KB of SRAM * Up to 48MHz operating frequency * Six serial communication modules (SERCOM) configurable as UART/USART, SPI or I2C, eight 16-bit timer/counters, 32-bit Real Time clock and calendar, 16 PWM channels, one 20-channel 12-bit ADC, one 10-bit DAC * Support for up to 256 touch channels * 1.62V to 3.63V power supply * Easy pin migration to SAMD20E and SAMD20G devices Supported by MPLAB X IDE and MPLAB Harmony.