ATSAMD20E14B-AUT

Overview

The ATSAMD20E14B-AUT is an ARM Cortex-M0+ microcontroller from the SAM D20 family, featuring 16 KB of in-system self-programmable Flash and 2 KB of SRAM. It operates at a maximum clock frequency of 48 MHz with a 32-bit data bus width. The device includes a 12-bit ADC with up to 10 channels and a 10-bit DAC. It supports I2C, SPI, and UART/USART interfaces via SERCOM peripherals. Operating voltage ranges from 1.62 V to 3.63 V, with an industrial temperature range of -40°C to +85°C.

Feature Summary

• Integrates an Arm Cortex-M0+ processor core for efficient 32-bit processing.
• Includes analog peripherals such as a 12-bit ADC and a 10-bit DAC.
• Provides flexible serial communication through configurable SERCOM modules.
• Supports low-power operation with idle and standby sleep modes.

Applications

• Industrial control systems requiring robust MCU performance
• Consumer electronics utilizing low-power embedded controllers
• General-purpose applications needing multiple serial communication interfaces

Procurement Notes

Verify the specific suffix 'AUT' against official Microchip documentation to confirm automotive qualification status or extended temperature ratings, as standard datasheets may list general industrial specifications. Ensure the package type matches design requirements. Cross-reference the manufacturer part number with authorized distributors to confirm current production status and availability. Check for any recent product change notices affecting assembly or material composition.

Selection Notes

Select this component when a balance of moderate memory capacity and rich peripheral integration is required for cost-sensitive 32-bit applications. The SAM D20E series offers a compact footprint suitable for space-constrained designs. Consider the available I/O count and timer resources relative to system complexity. Evaluate power consumption profiles against battery life requirements if applicable.

Part Context

This part belongs to the Microchip SAM D20 family, designed for low-power 32-bit applications. The E-series variants typically offer smaller pin counts and memory sizes compared to G or J series counterparts. It serves as a successor to 8-bit AVR solutions, providing enhanced processing capabilities while maintaining compatibility with existing development tools and software ecosystems.

Replacement Considerations

Consult the SAM D20 family datasheet for direct pin-compatible alternatives within the same series. Verify that substitute parts match the required Flash size, SRAM capacity, and package dimensions. Ensure peripheral configurations remain compatible with existing firmware implementations.