ATSAMD21G16B-MFT

Overview

The ATSAMD21G16B-MFT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, belonging to the SAM D21G Functional Safety (FuSa) series. It features 64KB of Flash memory and 8KB of SRAM. The device operates at a maximum clock speed of 48MHz with an internal oscillator. It supports a supply voltage range of 1.62V to 3.6V and includes 14-channel 12-bit ADCs and one 10-bit DAC. The component is housed in a 48-QFN package and is rated for industrial temperatures from -40°C to +125°C.

Feature Summary

• Certified for functional safety applications under AEC-Q100 standards
• Integrated advanced analog peripherals including high-resolution data converters
• Supports multiple communication interfaces such as SPI, I2C, USART, and LINbus

Applications

• Automotive electronic control units requiring functional safety compliance
• Industrial automation systems operating in harsh thermal environments
• Battery-powered devices utilizing low-voltage operation capabilities

Procurement Notes

Verify the specific suffix 'MFT' corresponds to the tape-and-reel packaging configuration when ordering. Confirm that the AEC-Q100 qualification status meets your project's automotive or industrial reliability requirements. Ensure design compatibility with the 48-QFN footprint and thermal dissipation characteristics for the intended operating temperature range.

Selection Notes

Select this model when functional safety certification is mandatory alongside compact form factor constraints. Compare against other SAM D21 variants if higher memory capacity or additional I/O pins are required. Consider the 48MHz processing speed sufficient for real-time control tasks involving analog signal acquisition and digital communication protocols.

Part Context

This component is part of the Microchip SAM D21G family, specifically designed for functional safety applications. It shares architectural similarities with other SAM D21 microcontrollers but distinguishes itself through its extended temperature rating and automotive-grade qualification. The G-series designation indicates specific pinout and peripheral configurations within the broader SAM D21 ecosystem.

Replacement Considerations

ATSAMD21G16B-AFT offers identical electrical specifications but utilizes a TQFP-48 package instead of QFN.