ATSAMC20E17A-AUT

Overview

The ATSAMC20E17A-AUT is an automotive-grade ARM microcontroller from the Microchip SAMC20 family, designed for embedded control applications. It integrates a 32-bit ARM Cortex-M0+ processor core operating at a maximum clock frequency of 48 MHz. The device provides 128 KB of in-system programmable Flash memory and 16 KB of SRAM data storage. It features a 12-bit analog-to-digital converter with multiple input channels and supports a supply voltage range from 2.7 V to 5.5 V. Packaged in a 32-lead TQFP format, it includes 26 general-purpose I/O lines and meets AEC-Q100 qualification standards for operation within a temperature range of -40°C to +85°C.

Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for harsh environment operation
• Integrated 12-bit ADC module supporting multiple analog input channels for sensor interfacing
• In-system programmable non-volatile Flash memory enabling flexible firmware updates
• Low-power ARM Cortex-M0+ architecture optimized for energy-efficient embedded control tasks

Applications

• Automotive body electronics and lighting control modules
• Industrial sensor nodes requiring analog signal acquisition
• Consumer appliance control units operating in extended temperature ranges
• General-purpose embedded systems requiring robust MCU performance

Procurement Notes

Verify the specific suffix AUT indicates automotive qualification and tape-and-reel packaging configuration. Confirm the package type matches the required 32-TQFP footprint for PCB layout compatibility. Ensure the voltage range specifications align with the target system power supply design. Check for any recent product change notifications regarding assembly sites or materials compliance.

Selection Notes

Select this component when automotive certification is mandatory for the application environment. Choose this part if the design requires 128 KB of program memory and 16 KB of RAM within a compact 32-pin form factor. Consider this MCU for systems needing a 48 MHz processing speed with integrated analog conversion capabilities. Evaluate the 2.7 V to 5.5 V operating range against available power rails.

Part Context

This microcontroller belongs to the SAMC20 series, which targets cost-sensitive and space-constrained embedded markets. The series utilizes the ARM Cortex-M0+ core to balance processing performance with low power consumption. The ATSAMC20E17A variant specifically offers higher memory capacity compared to lower-end models in the same package family.

FAQ

What is the maximum operating temperature for this component?

The component is qualified for an extended industrial temperature range up to +85°C.

Does this part support automotive applications?

Yes, the AUT suffix indicates it is qualified according to the AEC-Q100 standard for automotive use.

How many analog input channels are available?

The datasheet specifies multiple channels for the 12-bit ADC, typically ten external inputs are accessible via the GPIO pins.