ATSAMD20G14A-AUT

Overview

The ATSAMD20G14A-AUT is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48 MHz. It features 16 KB of Flash program memory and 2 KB of SRAM. The device includes 14 channels of 12-bit analog-to-digital converters and one 10-bit digital-to-analog converter. It supports I2C, SPI, and UART/USART interfaces with 38 general-purpose I/O pins. Operating voltage ranges from 1.62 V to 1.95 V, and it functions within a temperature range of -40°C to +85°C in a 48-TQFP package.

Feature Summary

• Integrates an ARM Cortex-M0+ processor for efficient code execution in low-power applications.
• Provides multiple communication peripherals including I2C, SPI, and USART for system connectivity.
• Includes high-resolution analog conversion capabilities with 14-channel 12-bit ADCs.

Applications

• Low-power embedded control systems
• Sensor interface modules
• Portable battery-operated devices

Procurement Notes

Verify the specific suffix 'AUT' confirms automotive qualification status against the official Microchip datasheet. Ensure the voltage range specification matches your system requirements, as this variant specifies a narrow supply window compared to other SAMD20 models. Confirm package integrity upon receipt.

Selection Notes

Select this component when a balance of moderate memory capacity and automotive-grade reliability is required. Compare pin counts and peripheral sets against similar SAMD20 variants to ensure interface compatibility. Validate that the 1.62V to 1.95V supply constraint aligns with your power architecture before finalizing the design.

Part Context

This part belongs to the Microchip SAM D20 family, designed for cost-sensitive and power-efficient applications. The G-series typically offers a standard pin count suitable for compact designs. It serves as a foundational controller for simple embedded tasks requiring reliable data processing and communication.

Replacement Considerations

Consult the SAM D20 family datasheet for pin-compatible alternatives. Verify if higher memory variants like the ATSAMD20G15A-AUT meet functional needs without layout changes. Check for updated errata sheets regarding silicon revisions.