MCHPATSAMD21E18A-MU
Overview
The Microchip ATSAMD21E18A-MU is a 32-bit microcontroller featuring an ARM Cortex-M0+ core, operating at up to 48MHz. It integrates 256KB of Flash memory and 32KB of RAM. This MCU provides a rich set of peripherals and connectivity options in a compact 32-pin VQFN package.
Why Choose This Part
Engineers benefit from the ATSAMD21E18A-MU's balance of processing power and power efficiency, critical for embedded designs. The extensive peripheral set, including multiple communication interfaces, ADCs, and DACs, reduces external component count. Its compact 32-pin VQFN package is ideal for space-constrained applications.
Applications
Key Specifications
Getting Started
Development for the ATSAMD21E18A-MU is typically done using Microchip's MPLAB X IDE, along with the Atmel Studio 7 IDE. Evaluation boards like the SAM D21 Xplained Pro can accelerate prototyping. The Arm Cortex-M0+ core is supported by standard Arm-based toolchains.
Dev Boards
Development boards and breakout modules featuring the ATSAMD21E18A-MU or compatible chips — ready to use for prototyping.
ATSAMD21E Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | RAM | Package | Flash | Stock |
|---|---|---|---|---|
| ATSAMD21E18A-MU (this part) | 32K | VFQFN-32 | 256KB | 22,657 |
| ATSAMD21E18A-AU | 32K | TQFP-32 | 256KB | 1,742 |
| ATSAMD21E17A-AUT (Microchip Technology) | 16K | TQFP-32 | 128KB | 3,036 |
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