ATSAMD20G15B-AUT

Overview

The ATSAMD20G15B-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 self-programmable flash memory and 4 KB of SRAM. The device includes an analog-to-digital converter with 14 channels of 12-bit resolution and a digital-to-analog converter with 1 channel of 10-bit resolution. It supports I2C, SPI, and USART interfaces and provides 38 general-purpose I/O pins. The unit operates within a supply voltage range of 1.62 V to 3.63 V and functions across an industrial temperature range of -40°C to +85°C.

Feature Summary

• Integrates an ARM Cortex-M0+ processor for efficient code execution in low-power applications
• Includes multiple communication peripherals such as SERCOM modules supporting standard protocols
• Features integrated analog converters for signal processing and control tasks

Applications

• Industrial control systems requiring robust peripheral connectivity
• Consumer electronics utilizing low-power 32-bit processing
• General-purpose embedded applications with moderate I/O requirements

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing design constraints regarding pin count and memory size. Cross-reference the datasheet revision date to validate technical specifications before finalizing procurement decisions.

Selection Notes

Select this component when a balance of processing power and peripheral density is required in a compact form factor. Consider the 48-QFN package for space-constrained designs. Evaluate the 48 MHz clock speed against application latency requirements and compare memory sizes with other SAM D20 variants if larger storage is needed.

Part Context

This part belongs to the SAM D20 family of microcontrollers designed for cost-sensitive and power-efficient applications. The G-series variant specifically targets devices needing a moderate number of I/Os and analog capabilities without the complexity of higher-end families like the SAM D21.

FAQ

What is the maximum operating frequency of the ATSAMD20G15B-AUT?

The microcontroller operates at a maximum system clock frequency of 48 MHz.

Does this model include a USB interface?

No, the ATSAMD20G15B-AUT does not include a USB controller; it supports I2C, SPI, and USART interfaces.