ATSAMD21E18A-MF

Overview

The ATSAMD21E18A-MFUT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48 MHz. It features 64 kB of Flash memory and 8 kB of SRAM. The device includes a 12-bit ADC with 10 channels and a 10-bit DAC. It supports interfaces including I2C, SPI, USART, and LIN. Operating voltage ranges from 1.62 V to 3.63 V, with an industrial temperature range of -40°C to +85°C. It is housed in a 32-pin QFN package.

Feature Summary

• Integrates a 32-bit ARM Cortex-M0+ processor for efficient code execution.
• Includes advanced analog peripherals such as a 12-bit ADC and 10-bit DAC.
• Supports multiple communication protocols including SPI, I2C, and USART.
• Designed for low-power applications with flexible clocking options.

Applications

• Industrial control systems
• Consumer electronics
• Smart sensors
• Battery-powered devices

Procurement Notes

Verify the exact suffix (e.g., MFUT vs. MF) against official Microchip documentation, as suffixes define package type and temperature grade. Confirm RoHS compliance status via the manufacturer's datasheet. Ensure the specific part number matches your design requirements before ordering.

Selection Notes

Select this component when a balance of processing power and peripheral integration is required for cost-sensitive designs. Consider the 64 kB Flash limit for larger applications. Verify pin compatibility if replacing older SAMD21 variants. Check available development tools for software support.

Part Context

This part belongs to the SAM D21 family of 32-bit microcontrollers. It shares architectural similarities with other SAM D21 variants but differs in memory size and package configuration. The E-series typically offers mid-range performance suitable for general-purpose embedded applications.

FAQ

What is the maximum operating frequency?

The maximum operating frequency is 48 MHz.

Does it include USB connectivity?

No, the ATSAMD21E18A does not include a USB interface; it supports SPI, I2C, and USART.