MCHPATSAMD21E17D-MZVAO

Overview

The ATSAMD21E17D-MZVAO is a Microchip ARM Cortex-M0+ microcontroller from the SAM D21 family. It combines Flash memory, USB device capability, and a compact 32-pin package for small embedded designs. The extended temperature rating makes it suitable for demanding industrial and portable applications.

Why Choose This Part

This part gives you a familiar Cortex-M0+ architecture with Microchip's SAM D21 ecosystem, which is broadly supported by development tools and libraries. The 32-pin package helps keep PCB area down while still providing enough Flash and USB capability for real product firmware. The extended temperature option is valuable when the design must operate beyond hobby-grade environmental limits.

Applications

Getting Started

Use Microchip Studio, MPLAB X, or Arduino-compatible SAMD21 support depending on your firmware stack. For bring-up and debugging, a Microchip-compatible SWD programmer/debugger such as MPLAB SNAP or Atmel-ICE is commonly used. If you are starting from a development board, look for SAMD21-based boards that expose USB and SWD so you can validate clocks, bootloading, and power sequencing early.

Dev Boards

Development boards and breakout modules featuring the ATSAMD21E17D-MZVAO or compatible chips — ready to use for prototyping.

Seeed Studio XIAO SAMD21 Seeed Technology Co., Ltd

ATSAMD21G18 XIAO SAMD21 SAM D ARM® Cortex®-M0 MCU 32-Bit Embedded Evaluation Board

Digi-Key 509 in stock

Seeed Studio XIAO SAMD21 Seeed Technology Co., Ltd

ATSAMD21G18 XIAO SAMD21 SAM D ARM® Cortex®-M0+ MCU 32-Bit Embedded Evaluation Board

Digi-Key 3,141 in stock

Adafruit Feather M0 Express Adafruit Industries LLC

ATSAMD21G18 Feather M0 Express SAM D ARM® Cortex®-M0+ MCU 32-Bit Embedded Evaluation Board

Digi-Key Mouser 364 in stock

Arduino Nano 33 IoT Arduino

The Arduino Nano 33 IoT with Headers (ABX00032) is a compact and versatile development board featuring the ARM® Cortex®-

Digi-Key Mouser 355 in stock

Arduino Nano 33 IoT Arduino

The Arduino Nano 33 IoT (ABX00027) is an advanced evaluation platform designed for IoT applications, featuring the 32 bi

Digi-Key Mouser 657 in stock

SAMD21E Family

Comparing specs that differ across variants. The current part is highlighted.

Also Consider

ATSAMD21G18A-AU MCHPMicrochip Technology - A very common SAM D21 variant with wider availability and the same Cortex-M0+ family ecosystem.

ATSAMD21E18A-AU MCHPMicrochip Technology - A closely related SAM D21 part in a similar package that is often considered when you want more memory headroom.

STM32G031K8T6 STMicroelectronics - A compact Cortex-M0+ alternative from STM32 with broad tool support for small control and interface designs.