ATSAMD21G15B-MFT

Overview

The ATSAMD21G15B-MFT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48 MHz. It features 32 KB of in-system self-programmable flash memory and 4 KB of SRAM. The device includes an advanced analog subsystem with up to 14 channels of 12-bit ADC and one 10-bit DAC. It supports multiple communication interfaces including I2C, SPI, USART, USB, and LINbus. Powered by a supply voltage ranging from 1.62 V to 3.6 V, it is housed in a 48-lead QFN package.

Feature Summary

• Integrates an ARM Cortex-M0+ processor for efficient code execution
• Includes advanced analog peripherals with high-resolution ADCs and DAC
• Supports versatile connectivity via USB, UART, SPI, and I2C interfaces
• Features low-power operation capabilities suitable for battery applications

Applications

• Industrial control systems requiring robust analog signal processing
• Consumer electronics utilizing USB connectivity
• Automotive applications compliant with AEC-Q100 standards
• Wearable devices benefiting from low-power consumption profiles

Procurement Notes

Verify the specific suffix MFT against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with existing PCB footprints for the 48-QFN form factor. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status prior to integration into regulated products.

Selection Notes

Select this component when a balance of moderate flash capacity and extensive analog peripherals is required. The 48 MHz speed suits applications needing responsive real-time processing without excessive power draw. Consider the 48-QFN package constraints regarding thermal dissipation and board space. Evaluate if the 38 available GPIOs meet the interface requirements for the target design.

Part Context

This MCU belongs to the SAM D21 family, designed for low-power performance with advanced analog features. It targets applications demanding high reliability and energy efficiency. The family integrates common peripherals like DMA controllers and various timers. It serves as a scalable solution within Microchip's ARM-based portfolio for embedded control tasks.

Replacement Considerations

Consult official substitution guides for pin-compatible alternatives within the SAM D21 series. Verify functional equivalence regarding flash size, RAM, and peripheral availability. Check for any differences in operating temperature ranges or package dimensions before finalizing a swap.