ATSAMC21E17A-AUT

Overview

The ATSAMC21E17A-AUT is a 32-bit ARM Cortex-M0+ microcontroller from the Microchip ATSAMC21 series. It features 128 kB of program memory and 16 kB of SRAM data RAM. The device operates with a maximum clock frequency of 48 MHz and supports an input voltage range of 2.7 V to 5.5 V. It includes a 12-bit ADC with 10 channels, a 10-bit DAC, and five timer/counters. The component provides 26 I/O lines and interfaces including LIN, I2C, PMBus, Serial, SPI, and USART. It is housed in a TQFP-32 package and is qualified under AEC-Q100 standards for automotive applications.

Feature Summary

• Automotive-grade reliability certified by AEC-Q100 qualification.
• Integrated Peripheral Touch Control (PTC) for robust user interface development.
• Robust communication peripherals including SERCOM modules and CAN FD support.
• Advanced motor control capabilities within a 5V Cortex-M0+ architecture.

Applications

• Industrial and commercial systems operating in noisy environments
• Automotive electronic control units requiring AEC-Q100 compliance
• Motor control applications utilizing advanced peripheral features
• User interface designs leveraging Peripheral Touch Control technology

Procurement Notes

Verify the specific suffix AUT indicates the -40°C to +85°C temperature grade and TQFP-32 packaging configuration. Confirm AEC-Q100 automotive qualification status matches project requirements. Ensure compatibility with 5V logic levels and check for humidity sensitivity handling procedures during assembly. Validate that the 128 kB flash and 16 kB RAM sizes align with firmware constraints.

Selection Notes

Select this model when automotive qualification is mandatory alongside 5V operation. Compare against other ATSAMC21 variants based on required I/O count and memory size. Consider the presence of CAN FD and PTC if interface or touch sensing is needed. Verify package availability and ensure the 48 MHz performance meets timing requirements for the target application.

Part Context

This component belongs to the Microchip ATSAMC21 family of 32-bit ARM Cortex-M0+ microcontrollers. The series is designed for industrial and commercial applications, emphasizing robustness in noisy environments. Key family features include high-performance analog peripherals, flexible communication interfaces, and low-power modes suitable for battery-operated devices.

Replacement Considerations

Consult official Microchip documentation for verified pin-to-pin or functional substitutes within the ATSAMC21 family. Cross-reference memory sizes, package types, and temperature ranges before considering alternatives.

FAQ

What is the operating temperature range for the ATSAMC21E17A-AUT?

The device operates within a temperature range of -40°C to +85°C.

Does the ATSAMC21E17A-AUT support automotive applications?

Yes, it is qualified according to the AEC-Q100 standard for automotive electronics.

What communication interfaces are available on this microcontroller?

It supports LIN, I2C, PMBus, Serial, SPI, and USART interfaces.