ATSAMD21G17D-MF

Overview

The ATSAMD21G17D-MF is a 32-bit microcontroller from the Microchip SAM D21J series, featuring an ARM Cortex-M0+ core. It integrates 128KB of flash memory and 16KB of SRAM. The device operates at a maximum frequency of 48MHz with a supply voltage range of 1.62V to 3.63V. It includes 20 channels of 12-bit ADC and one 10-bit DAC. Connectivity options include I2C, LINbus, SPI, UART/USART, and USB. The component is housed in a 64-QFN (9x9) package and supports an operating temperature range of -40°C to 125°C.

Feature Summary

• Functional Safety (FuSa) certified for automotive applications under AEC-Q100 standards.
• Integrated advanced analog peripherals including multiple high-resolution ADCs and a DAC.
• Supports comprehensive communication interfaces such as USB, SPI, I2C, and LINbus.
• Includes hardware peripherals like DMA, I2S, PWM, and watchdog timers.

Applications

• Automotive infotainment systems requiring functional safety compliance.
• Industrial control units utilizing LINbus and standard serial interfaces.
• Portable devices powered by low-voltage battery sources.
• Sensor hubs processing analog signals via integrated ADCs.

Procurement Notes

Verify the specific suffix 'MF' against the manufacturer's current datasheet to confirm package dimensions and pinout compatibility. Ensure the selected variant meets the required AEC-Q100 qualification level for your target application environment. Cross-reference the official SAM D21 family errata for any known silicon revisions or operational limitations before finalizing design integration.

Selection Notes

Select this model when both automotive functional safety certification and extended industrial temperature ranges are mandatory. Compare pin counts and peripheral availability against other SAM D21 variants to ensure optimal resource utilization. Confirm that the 64-pin QFN package fits within the mechanical constraints of the printed circuit board layout.

Part Context

This component belongs to the SAM D21J sub-series of the broader SAM D21 family. It shares architectural similarities with other Cortex-M0+ based MCUs but distinguishes itself through specific memory configurations and automotive-grade reliability features. The part is designed for applications demanding robust performance in electrically noisy environments.

Replacement Considerations

Consult the official SAM D21 family datasheet for verified cross-references. Substitution requires matching the core architecture, memory size, and package type. Verify that alternative parts maintain the same AEC-Q100 qualification status if automotive use is intended.