ATSAMD20J17A-MU

Overview

The ATSAMD20J17A-MU is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48 MHz. It features 128 KB of in-system programmable Flash memory and 16 KB of SRAM. The device provides 52 general-purpose I/O pins and includes multiple communication interfaces such as I2C, SPI, and UART/USART. It integrates a 12-bit ADC with 20 channels and an internal oscillator. The unit operates within a voltage range of 1.62 V to 1.95 V and supports surface-mount installation in a QFN-64 package.

Feature Summary

• ARM Cortex-M0+ processor core for efficient 32-bit processing
• Integrated non-volatile program memory and static RAM
• Multiple serial communication interface peripherals
• High-resolution analog-to-digital conversion capabilities

Applications

• General-purpose embedded control systems
• Low-power sensor interfacing applications
• Industrial automation controllers
• Consumer electronics devices

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and temperature rating. Ensure compatibility with existing board layouts regarding pin assignments and thermal requirements. Confirm regulatory compliance status through current datasheets before finalizing procurement specifications.

Selection Notes

Select this component when a balance of moderate memory capacity and low power consumption is required. The Cortex-M0+ architecture suits cost-sensitive designs needing efficient code execution. Evaluate peripheral availability against application interface needs to ensure sufficient I/O and communication channels are present.

Part Context

This part belongs to the SAM D20J family of microcontrollers from Microchip Technology. The series targets applications requiring reliable performance with minimal power usage. The J variant typically denotes specific memory configurations and package options within the broader SAM D20 product line.

Replacement Considerations

Consult official substitution guides for compatible parts with matching memory sizes and pin counts. Verify electrical characteristics and software compatibility before transitioning to alternative components.