ATSAMC20G16A-ANT

Overview

The ATSAMC20G16A-ANT is a 32-bit ARM Cortex-M0+ microcontroller from the Microchip SAM C20 family, housed in a 48-pin QFN package. It features 64 kB of Flash program memory and 8 kB of SRAM data memory. The device supports a maximum clock frequency of 48 MHz and operates within a supply voltage range of 2.7 V to 5.5 V. It includes a 12-channel, 12-bit ADC and offers 38 general-purpose I/O pins. The component is qualified under AEC-Q100 standards for automotive applications and functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

• Automotive-grade reliability certified by AEC-Q100 qualification standards
• Integrated advanced analog peripherals including a high-resolution 12-bit ADC with multiple channels
• Supports flexible communication protocols via LIN, SPI, USART, and I2C interfaces

Applications

• Automotive body electronics and control modules
• Industrial sensor nodes requiring robust analog signal acquisition
• Low-power embedded systems utilizing LIN bus communication

Procurement Notes

Verify the specific suffix 'ANT' corresponds to the 48-VQFN package and tape-and-reel delivery format when sourcing. Confirm that the AEC-Q100 automotive qualification aligns with your project's environmental requirements. Ensure compatibility with the 2.7V to 5.5V operating voltage range for your power design. Cross-reference the pinout diagram for the QFN-48 footprint during PCB layout to avoid soldering defects.

Selection Notes

Select this component when automotive certification is mandatory for a Cortex-M0+ based design. It is suitable for applications needing moderate Flash capacity and extensive analog input capabilities. Consider the QFN-48 package if board space is limited compared to TQFP options. Evaluate the 48 MHz processing speed against real-time control requirements before finalizing the architecture.

Part Context

This part belongs to the SAM C20 series, designed for cost-sensitive and low-power applications. The G-series variant specifically targets automotive and industrial markets with enhanced analog features. It shares the core architecture with other SAM C20 models but differs in memory size and package configuration. The device integrates essential peripherals for standalone operation without external support chips.

Replacement Considerations

ATSAMC20G16A-AUT (TQFP-48 package)

FAQ

What is the maximum operating temperature for this microcontroller?

The device is rated for an extended operating temperature range up to +85°C.

Does this MCU support automotive communication protocols?

Yes, it includes hardware support for LIN bus communication alongside standard serial interfaces.

How many analog input channels are available?

The microcontroller provides 12 dedicated channels for the 12-bit Analog-to-Digital Converter.