ATSAMD20E17A-AU

Overview

The ATSAMD20E17A-AU is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum clock frequency of 48 MHz. It integrates 128 kB of Flash program memory and 16 kB of SRAM data memory. The device features a 12-bit ADC with 10 channels and includes a 10-bit DAC. It supports multiple communication interfaces including I2C, SPI, and USART. The unit operates within a supply voltage range of 2.7 V to 5.5 V and functions across an industrial temperature range of -40°C to +85°C. It is housed in a 32-TQFP package with 26 available I/O lines.

Feature Summary

• ARM Cortex-M0+ processor core providing efficient 32-bit processing capabilities
• Integrated analog peripherals including a 12-bit ADC and 10-bit DAC for signal conversion
• Multiple serial communication interfaces supporting standard protocols like I2C, SPI, and USART
• Industrial-grade operational reliability across extended temperature ranges

Applications

• General-purpose embedded control systems
• Industrial automation devices requiring serial communication
• Battery-powered applications utilizing low-voltage operation
• Consumer electronics with analog sensing requirements

Procurement Notes

Verify the specific suffix 'AU' corresponds to the Tray packaging format as indicated by distributor listings. Confirm the AEC-Q100 qualification status if automotive compliance is required, noting that some sources associate this qualification with the AUT variant. Ensure the design accounts for the 32-TQFP footprint dimensions and pinout configuration during PCB layout.

Selection Notes

Select this component when a balance of moderate memory capacity and analog functionality is needed within a compact 32-pin form factor. Compare against the ATSAMD20G17A-AU if additional I/O pins are necessary, or consider the ATSAMD20J17A-AUT if automotive qualification is mandatory. Evaluate power consumption requirements against the 2.7V to 5.5V operating range.

Part Context

This part belongs to the Microchip SAM D20 family of microcontrollers. The series is characterized by the Cortex-M0+ architecture and integrated USB capability, although this specific E-series variant focuses on general-purpose I/O and analog features. It serves as a mid-range solution within the SAM D20 portfolio, bridging basic controllers and higher-performance devices.

Replacement Considerations

ATSAMD20E17A-AUT: Automotive qualified version with similar specifications but different packaging and temperature rating confirmation.

FAQ

Does the ATSAMD20E17A-AU include USB connectivity?

Yes, the SAM D20E family typically includes a USB Full-Speed controller, though specific pin availability depends on the package.

What is the maximum operating voltage for this MCU?

The maximum supply voltage (Vdd) is specified as 5.5 V.