ATSAMC21G17A-AUT

Overview

The ATSAMC21G17A-AUT is a 32-bit RISC microcontroller based on the ARM Cortex-M0+ core, manufactured by Microchip Technology. It operates at a maximum clock frequency of 48 MHz and features 128 kB of in-system programmable Flash memory with 16 kB of SRAM. The device includes a 12-bit ADC with 12 channels and a 10-bit DAC. It supports multiple communication interfaces including I2C, SPI, USART, LIN, and PMBus. Operating within a voltage range of 2.7 V to 5.5 V, it is housed in a 48-pin VQFN package and certified to AEC-Q100 standards for automotive applications.

Feature Summary

• Integrates an ARM Cortex-M0+ processor core optimized for low-power embedded control tasks.
• Includes integrated analog peripherals such as a 12-bit ADC and a 10-bit DAC for signal processing.
• Supports diverse serial communication protocols including SPI, I2C, USART, LIN, and PMBus.
• Features in-system programmable Flash memory for flexible code storage and updates.

Applications

• Automotive body electronics and sensor interface modules
• Industrial control systems requiring robust serial communication
• Consumer devices utilizing low-power embedded processing

Procurement Notes

Verify the specific suffix 'AUT' confirms the tape-and-reel packaging format and the 85°C temperature grade. Ensure the component matches the 48-pin VQFN footprint requirements for your PCB layout. Confirm AEC-Q100 qualification status if deploying in automotive environments. Cross-reference the manufacturer's latest datasheet for any revisions to pin definitions or electrical characteristics prior to final procurement.

Selection Notes

Select this model when a balance of moderate Flash capacity and rich analog connectivity is required. The 48 MHz speed suits applications not demanding high-performance computing but needing efficient peripheral management. Consider the VQFN package constraints regarding thermal dissipation and soldering profiles. Evaluate the 2.7 V to 5.5 V operating range against your system power supply stability.

Part Context

This part belongs to the ATSAMC21 family of ARM-based microcontrollers designed for cost-sensitive and power-efficient applications. The series shares common architectural features while varying in memory size and I/O count. The ATSAMC21G variant specifically targets applications requiring a mid-range memory configuration with extensive analog capabilities.

FAQ

What is the maximum operating frequency of the ATSAMC21G17A-AUT?

The microcontroller supports a maximum clock frequency of 48 MHz.

Does this component support automotive qualification standards?

Yes, the ATSAMC21G17A-AUT is qualified under the AEC-Q100 standard.

How many analog input channels are available on this device?

The device integrates a 12-bit ADC with 12 available input channels.