ATSAMD20G15A-AUT

Overview

The ATSAMD20G15A-AUT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48 MHz. It features 32 KB of in-system programmable Flash memory and 4 KB of SRAM. The device provides 38 general-purpose I/O pins and supports supply voltages ranging from 1.62 V to 1.95 V. It includes an internal oscillator, 14-channel 12-bit ADC, and eight timer/counters. Communication interfaces include I2C, SPI, and UART/USART. The component is housed in a 48-TQFP package with dimensions of 7x7 mm and operates within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates an ARM Cortex-M0+ processor core for efficient 32-bit execution
• Includes integrated analog-to-digital conversion capabilities with multiple channels
• Supports standard serial communication protocols for peripheral connectivity
• Features built-in power management peripherals including brown-out detection

Applications

• Low-power embedded control systems
• Sensor interface modules
• Industrial automation controllers
• Consumer electronics devices

Procurement Notes

Verify the specific suffix 'AUT' indicates automotive qualification requirements when sourcing. Confirm the voltage range specification matches the target application's power supply constraints, as this variant specifies a limited range compared to other SAM D20 models. Ensure the 48-TQFP package footprint aligns with the PCB design guidelines provided in the official datasheet.

Selection Notes

Select this model for applications requiring the specific pin count and memory configuration of the G15 variant within the SAM D20 family. Consider the restricted voltage range of 1.62 V to 1.95 V if powering from standard 3.3 V rails without level shifting or regulation adjustments. Evaluate the 48 MHz performance against processing demands to ensure adequate headroom for real-time tasks.

Part Context

This component belongs to the Microchip SAM D20G series, which targets cost-sensitive and low-power applications. The series utilizes the ARM Cortex-M0+ architecture to balance processing capability with energy efficiency. The G15 designation specifically denotes the 32 KB Flash and 4 KB RAM configuration within this family.

Replacement Considerations

Cross-reference with other SAM D20 variants such as ATSAMD20G15B-MU for different packaging options like QFN. Verify functional compatibility with ATSAMD20J15A-CN if a UFBGA package is required, noting differences in I/O count and voltage ranges.