ATSAMD20E14A-AUT

Overview

The ATSAMD20E14A-AUT is an ARM Cortex-M0+ microcontroller from the SAM D20 family, manufactured by Microchip Technology. It features a 32-bit core with a maximum clock frequency of 48 MHz. The device includes 16 kB of Flash program memory and 2 kB of SRAM data RAM. It provides 26 I/O pins and supports interfaces including I2C, SPI, and UART. The ADC resolution is 12 bits with 10 channels. Operating voltage ranges from 1.62 V to 1.95 V. The component operates within a temperature range of -40°C to +85°C and is housed in a TQFP-32 package.

Feature Summary

• Integrates an ARM Cortex-M0+ processor core for efficient code execution.
• Includes non-volatile Flash memory for program storage.
• Supports standard communication protocols such as I2C, SPI, and UART.
• Features a 12-bit analog-to-digital converter with multiple input channels.

Applications

• Low-power embedded control systems
• Industrial automation devices
• Consumer electronics requiring small form factors

Procurement Notes

Verify the specific suffix 'AUT' corresponds to the automotive or extended temperature grade requirements if applicable, although datasheet specifications indicate operation up to 85°C. Confirm the TQFP-32 package dimensions match the PCB footprint design. Ensure the voltage supply range of 1.62 V to 1.95 V aligns with the system power architecture. Check for humidity sensitivity classification prior to soldering processes.

Selection Notes

Select this part when a compact 32-bit MCU with moderate memory capacity is required. The TQFP-32 package offers a balance between pin count and board space. Consider the 48 MHz speed limit for timing-critical applications. Verify that the 1.62 V minimum operating voltage meets the lowest expected supply rail conditions in the target design.

Part Context

This component belongs to the SAM D20 series of microcontrollers. The series utilizes the ARM Cortex-M0+ architecture to deliver performance while maintaining low power consumption. The SAM D20 family is designed for applications needing efficient processing in a small footprint. The ATSAMD20E14A variant specifically denotes the memory configuration and package type within this lineup.

Replacement Considerations

Consult official Microchip documentation for verified cross-reference part numbers. Substitution requires matching the core architecture, memory size, package type, and electrical specifications. Generic replacements may not ensure compatibility with existing firmware or hardware constraints.