ATSAMD21E15B-AUT

Overview

The ATSAMD21E15B-AUT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, designed for functional safety applications. It features 32KB of flash memory and 4KB of SRAM, operating at a maximum frequency of 48MHz. The device supports a supply voltage range of 1.62V to 3.6V and operates within a temperature range of -40°C to +85°C. It includes ten 12-bit ADC channels and one 10-bit DAC. Connectivity options include I2C, LINbus, SPI, UART/USART, USB, and I2S interfaces.

Feature Summary

• Functional Safety (FuSa) certification for automotive reliability
• AEC-Q100 qualification for automotive grade standards
• Integrated DMA controller for efficient data transfer
• Built-in power-on reset and brown-out detection

Applications

• Automotive body electronics
• Instrumentation systems
• Industrial control units
• Consumer appliances with safety requirements

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and temperature rating. Ensure compatibility with existing design constraints regarding pinout and electrical specifications before procurement.

Selection Notes

Select this component for designs requiring AEC-Q100 compliance and functional safety integration. Compare memory sizes and interface availability against other SAM D21E variants to ensure optimal fit for system requirements.

Part Context

Part of the SAM D21E family, which focuses on functional safety microcontrollers. This series targets automotive and industrial markets requiring high reliability and robust performance under varying environmental conditions.

Replacement Considerations

ATSAMD21E15B-SSU

FAQ

Is the ATSAMD21E15B-AUT qualified for automotive use?

Yes, it is AEC-Q100 qualified and part of the Functional Safety (FuSa) series.

What is the maximum operating speed of this MCU?

The maximum clock frequency is 48 MHz.