ATSAMD20E15A-AN

Overview

The ATSAMD20E15A-AN is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum clock frequency of 48 MHz. It features 32 KB of Flash program memory and 4 KB of SRAM data memory. The device includes a 12-bit ADC with 10 channels and a 10-bit DAC. It provides 26 general-purpose I/O pins and supports communication interfaces including I2C, SPI, and UART/USART. The unit operates within a voltage range of 2.7 V to 5.5 V and functions across a temperature range of -40°C to +85°C.

Feature Summary

• Integrates a high-performance ARM Cortex-M0+ processor for efficient code execution
• Includes integrated analog peripherals such as a 12-bit ADC and 10-bit DAC
• Supports multiple serial communication protocols via SERCOM modules
• Features low-power operation capabilities suitable for battery-driven applications

Applications

• Home automation systems
• Consumer electronic devices
• Industrial metering equipment
• General-purpose embedded control

Procurement Notes

Verify the specific suffix AN corresponds to the TQFP-32 package when sourcing. Confirm RoHS compliance status through official Microchip documentation prior to integration. Ensure supply chain partners provide valid traceability records. Cross-reference the datasheet revision date to ensure compatibility with current design requirements. Validate pinout configurations against the specific package variant to prevent assembly errors.

Selection Notes

Select this component for designs requiring a balance of processing power and low power consumption. The 32 KB Flash size suits moderate application complexity. The 2.7 V to 5.5 V supply range allows flexibility in power system design. Consider the 26 available I/O lines for peripheral connectivity needs. Evaluate thermal performance within the specified -40°C to +85°C operational window.

Part Context

This part belongs to the SAM D20E series of Microchip Technology microcontrollers. It shares architectural similarities with other SAMD20 variants but differs in memory capacity and package options. The E-series designation typically indicates specific pin counts and peripheral sets compared to J or G series counterparts. It is designed for cost-sensitive applications requiring reliable ARM-based performance.

Replacement Considerations

Direct substitutes include ATSAMD20E15A-AU and ATSAMD20E15A-ANT, which share identical electrical specifications and functionality. Package differences exist between TQFP, QFN, and UFBGA formats. Verify pin-to-pin compatibility if changing package types. Memory sizes and core speeds remain consistent across these variants.