ATSAMD20G16B-AUT

Overview

The ATSAMD20G16B-AUT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum clock frequency of 48 MHz. It features 64 kB of Flash program memory and 8 kB of SRAM data RAM. The device provides 38 general-purpose I/O pins and includes a 12-bit ADC with 14 channels and a 10-bit DAC. Communication interfaces include I2C, SPI, and USART. It operates within a supply voltage range of 1.62 V to 3.63 V and supports an industrial temperature range from -40°C to +85°C. The component is housed in a 48-TQFP package.

Feature Summary

• Integrates an ARM Cortex-M0+ processor for efficient code execution
• Includes multiple communication peripherals such as I2C, SPI, and USART
• Features analog-to-digital conversion with 14 input channels
• Supports low-voltage operation suitable for battery-powered applications

Applications

• Industrial control systems requiring robust peripheral connectivity
• Consumer electronics utilizing low-power ARM-based processing
• Sensor interface modules leveraging high-resolution ADC capabilities
• General-purpose embedded controllers in compact form factors

Procurement Notes

Verify the specific suffix 'AUT' against official Microchip documentation to confirm tape-and-reel packaging and automotive-grade temperature rating specifications. Ensure compatibility with existing PCB footprints for the 48-TQFP package. Cross-reference the latest datasheet revision for any errata or pinout adjustments prior to final procurement decisions.

Selection Notes

Select this model when a balance of moderate memory capacity and extensive I/O count is required within a 48-pin footprint. It serves as a suitable alternative to variants with lower flash sizes if additional code storage is needed. Consider the 1.62 V minimum supply voltage for power management design constraints compared to wider voltage range devices.

Part Context

This component belongs to the SAM D20 family of microcontrollers, which are designed for cost-sensitive and space-constrained applications. The family utilizes the Cortex-M0+ architecture to deliver performance efficiency. The 'G' designation typically indicates a specific pin count and peripheral set within the series, distinguishing it from E or J variants.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific variant are not available in the provided reference material. Consult Microchip's official cross-reference tools for verified alternatives.