ATSAMD20G18A-AU

ARM微控制器 - MCU Cortex-M0+ 256KB FLASH 32KB SRAM

Introduction ATSAMD20G18A-AU

Atmel® | SMART™ SAM D20 is a series of low-power microcontrollers using the 32-bit ARM® Cortex® -M0+ processor, and ranging from 32- to 64-pins with up to 256KB Flash and 32KB of SRAM. The SAM D20 devices operate at a maximum frequency of 48MHz and reach 2.46 CoreMark® /MHz. They are 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.

Features ATSAMD20G18A-AU

• Processor

– ARM Cortex-M0+ CPU running at up to 48MHz

• Single-cycle hardware multiplier

• Memories

– 16/32/64/128/256KB in-system self-programmable Flash

– 2/4/8/16/32KB SRAM Memory

• System

– Power-on reset (POR) and brown-out detection (BOD)

– Internal and external clock options with 48MHz Digital Frequency Locked Loop (DFLL48M)

– External Interrupt Controller (EIC)

– 16 external interrupts

– One non-maskable interrupt

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

• Low Power ATSAMD20G18A-AU

– Idle and standby sleep modes

– SleepWalking peripherals

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