ATSAMD21E17D-MU

Overview

The ATSAMD21E17D-MU is a 32-bit microcontroller based on the ARM Cortex-M0+ core, belonging to the SAM D21E series. It features 128 kB of Flash program memory and 16 kB of SRAM data RAM. The device operates with a maximum clock frequency of 48 MHz and supports an input/output count of 26 I/O lines. It includes a 12-bit ADC and a 10-bit DAC. The operating voltage range is specified from 1.62 V to 3.63 V. The component is housed in a 32-VQFN package and is rated for an industrial temperature range of -40°C to +85°C.

Feature Summary

• Functional Safety (FuSa) qualification compliant with AEC-Q100 standards
• Integrated advanced analog peripherals including high-resolution ADCs and DACs
• Supports multiple communication interfaces such as SPI, USART, I2C, I2S, and LIN

Applications

• Industrial control systems requiring functional safety compliance
• Automotive electronics applications
• General-purpose embedded control tasks

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and environmental rating. Ensure compatibility with required interface protocols and memory sizes for the target application design.

Selection Notes

Select this component when a Functional Safety qualified MCU is required within the SAM D21 family. It provides a balance of processing speed and peripheral richness suitable for constrained environments.

Part Context

This part is a member of the SAM D21E series, which focuses on functional safety applications. It shares the same core architecture as other SAM D21 variants but offers specific memory configurations and safety certifications tailored for automotive and industrial sectors.

Replacement Considerations

Consult official substitution lists for equivalent parts within the SAM D21 family that match the required pinout and memory specifications.