The ATSAMD20G18A-AU is a low-power General purpose Microcontroller uses the 32-bit ARM® Cortex®-M0+ processor and ranging from 48-pin with up to 256kB Flash and 32kB of SRAM. The SAM D20 devices operate at a maximum frequency of 48MHz and reach 2.14 Coremark/MHz. It is designed for simple and intuitive migration with identical peripheral modules, hex compatible code, identical linear address map and pin compatible migration paths between all devices in the product series. All devices include intelligent and flexible peripherals, Atmel Event System for inter-peripheral signaling and support for capacitive touch button, slider and wheel user interfaces. The SAM D20 device features in-system programmable Flash, eight-channel event system, programmable interrupt controller, up to 52 programmable I/O pins, 32-bit real-time clock and calendar, up to eight 16-bit timer/counters (TC).
● SW debug interface an watchdog timer (WDT)
● ARM Cortex-M0+ CPU running at up to 48MHz processor
● Low power - Idle and standby sleep modes, sleepwalking peripherals
● 32-bit Real time counter (RTC) with clock/calendar function
● CRC-32 generator
● One 12-bit, 350ksps Analog-to-digital Converter (ADC) with up to 20 channels
● Two analog comparators with window compare function
● Peripheral touch controller (PTC) - 256-channel capacitive touch and proximity sensing
● I/O - Up to 52 programmable I/O pins
● Power consumption - down to 70µA/MHz in active mode
● Support for up to 120 touch channels
● Easy pin migration to SAMD20E and SAMD20J devices
● Supported by Atmel studio, the Atmel software framework and the SAM D20 Xplained pro kit
