ATSAMC20E17A-MUT

Overview

The ATSAMC20E17A-MUT is a Microchip Technology ARM microcontroller based on the Cortex-M0+ core, operating at a maximum frequency of 48 MHz. It features 128 kB of Flash program memory and 16 kB of SRAM data memory within a VQFN-32 package. The device supports a supply voltage range of 2.7 V to 5.5 V and includes dual 12-bit ADCs, a 10-bit DAC, and multiple communication interfaces including I2C, LIN, PMBus, SPI, and USART. It is AEC-Q100 qualified for automotive applications.

Feature Summary

• Dual 12-bit analog-to-digital converters with ten available channels for precise signal acquisition
• Integrated 10-bit digital-to-analog converter for waveform generation and control applications
• Automotive-grade qualification ensuring reliability under strict environmental and operational standards
• Comprehensive peripheral set supporting LIN bus, PMBus, and standard serial communication protocols

Applications

• Automotive body electronics and sensor interface modules
• Industrial control systems requiring robust communication protocols
• Battery management systems utilizing PMBus capabilities
• General-purpose embedded controllers in consumer electronics

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type, temperature range, and tape-and-reel specifications. Ensure compatibility with existing design constraints regarding voltage levels and pin configurations. Cross-reference the latest datasheet revision for any errata or functional updates that may impact implementation.

Selection Notes

Select this component when automotive qualification is required alongside high-performance analog features. The dual ADC configuration distinguishes it from single-ADC variants in the same family. Consider the VQFN-32 footprint for space-constrained designs. Evaluate the 48 MHz processing speed against application latency requirements before finalizing the selection.

Part Context

This part belongs to the ATSAMC20 series, designed for cost-sensitive applications requiring ARM Cortex-M0+ performance. It bridges the gap between basic 8/16-bit MCUs and higher-end 32-bit solutions. The series emphasizes low power consumption while maintaining sufficient processing capability for complex control tasks and connectivity needs.

Replacement Considerations

ATSAMD20E17A-MUT offers similar core architecture but lacks automotive qualification and dual ADCs. ATSAMC21E17A-MUT provides enhanced analog peripherals but may require software adaptation due to architectural differences. Verify pinout compatibility and memory mapping before substituting.