ATSAMC20G17A-AUT

Overview

The ATSAMC20G17A-AUT is a 32-bit ARM Cortex-M0+ microcontroller from the Microchip SAM C20 family, housed in a 48-TQFP package. It operates at a maximum clock frequency of 48 MHz and features 128 kB of Flash program memory alongside 16 kB of SRAM data memory. The device supports a supply voltage range of 2.7 V to 5.5 V and includes an integrated 12-bit ADC with 12 channels. It offers 38 general-purpose I/O pins and supports interfaces including SPI, I2C, USART, LIN, and PMBus. The component is qualified under AEC-Q100 standards for automotive applications and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates an ARM Cortex-M0+ core optimized for low-power embedded control tasks
• Includes automotive-grade qualification ensuring reliability in demanding environments
• Provides versatile connectivity through multiple serial communication peripherals

Applications

• Automotive body electronics and sensor nodes
• Industrial control systems requiring robust MCU performance
• Consumer devices utilizing USB or serial communication interfaces

Procurement Notes

Verify the specific suffix 'AUT' corresponds to the TQFP-48 package and tape-and-reel shipping format as documented by Microchip. Confirm that the AEC-Q100 qualification status meets your project's automotive reliability requirements. Ensure compatibility with the 2.7V to 5.5V operating voltage range for your power design. Cross-reference the datasheet revision date to ensure access to the latest errata and functional specifications before finalizing procurement.

Selection Notes

Select this component when a balance of moderate processing speed and extensive peripheral support is required for automotive or industrial applications. The 128 kB Flash capacity suits complex firmware implementations compared to smaller variants in the series. The inclusion of LIN and PMBus interfaces makes it suitable for networked systems without external transceivers. Consider the 48-TQFP package constraints for PCB layout if space is limited relative to QFN alternatives.

Part Context

This microcontroller belongs to the SAM C20G series, designed for cost-sensitive yet feature-rich embedded applications. It shares architectural similarities with the SAM D20 series but focuses on specific interface sets like LIN and PMBus. The device leverages the proven Cortex-M0+ architecture to deliver efficient code execution while maintaining low power consumption profiles typical of modern 32-bit MCUs.

Replacement Considerations

The ATSAMC20G17A-MUT serves as a pin-compatible alternative featuring a VQFN-48 package instead of TQFP. For reduced memory configurations, the ATSAMC20G16A-AUT offers 64 kB Flash and 8 kB RAM in the same package. Verify that any substitute maintains the required AEC-Q100 qualification and interface availability.