ATSAMD20G16A-MN

Overview

The ATSAMD20G16A-MN is a Microchip Technology ARM microcontroller featuring the Cortex-M0+ core. It integrates 64 kB of Flash program memory and 8 kB of SRAM data RAM within a QFN-32 package. The device operates at a maximum clock frequency of 48 MHz with a 32-bit data bus width. It supports an input voltage range of 1.62 V to 3.63 V and functions across a temperature range of -40°C to +105°C. Key peripherals include a 12-bit ADC, multiple timers, and standard communication interfaces.

Feature Summary

• Integrates ARM Cortex-M0+ processor for efficient code execution
• Includes on-chip Flash and SRAM for standalone operation
• Supports multiple serial communication protocols via SERCOM modules
• Features high-resolution analog-to-digital conversion capabilities

Applications

• Low-power embedded control systems
• Industrial sensor nodes
• Consumer electronics devices
• General-purpose I/O expansion modules

Procurement Notes

Verify the specific suffix 'MN' against official Microchip documentation to confirm the QFN-32 package and industrial temperature rating. Ensure compatibility with existing PCB footprints and thermal management requirements. Confirm RoHS compliance status through current manufacturer declarations before finalizing procurement specifications.

Selection Notes

Select this component when a balance of moderate memory capacity and extended temperature range is required in a compact form factor. Compare pin counts and peripheral availability against alternative SAMD20 variants to ensure sufficient I/O resources. Evaluate power consumption profiles relative to system duty cycles and available supply voltages.

Part Context

This part belongs to the SAM D20 family of 32-bit ARM Cortex-M0+ microcontrollers. The family emphasizes low power consumption and high performance for cost-sensitive applications. Variants differ primarily in memory size, package type, and peripheral count while sharing a common instruction set architecture.

Replacement Considerations

Consult official cross-reference lists for direct substitutes such as other SAMD20 series parts with matching memory and package configurations. Verify that any replacement maintains identical pinout and electrical characteristics to avoid redesign efforts.