ATSAMD20J18A-AUES

Overview

The ATSAMD20J18A-AUES is a Microchip Technology microcontroller based on the ARM Cortex-M0+ core. It features 256 KB of Flash program memory and 32 KB of SRAM. The device operates at a maximum clock frequency of 48 MHz with a 32-bit data bus width. It includes a 12-bit ADC with 20 channels and provides 52 general-purpose I/O pins. The unit supports I2C, SPI, and UART interfaces. Operating voltage ranges from 1.62 V to 1.95 V, with an industrial temperature range of -40°C to +85°C. It is housed in a QFN-64 package.

Feature Summary

• Integrates an ARM Cortex-M0+ processor for efficient code execution
• Includes integrated analog-to-digital conversion capabilities
• Supports standard serial communication protocols

Applications

• Industrial control systems
• Consumer electronics devices
• Sensor interface modules

Procurement Notes

Verify the specific suffix 'ES' against official Microchip documentation to confirm if it denotes a valid commercial variant or a specific engineering sample designation. Ensure the QFN-64 package type matches the target PCB footprint requirements. Confirm RoHS compliance status through the manufacturer's current datasheet before finalizing procurement specifications.

Selection Notes

Select this component when a balance of moderate memory capacity and low power consumption is required for embedded applications. The 48 MHz speed suits tasks requiring real-time processing without the complexity of higher-end cores. Verify that the 1.62 V to 1.95 V supply range aligns with the system power architecture.

Part Context

This part belongs to the SAM D20 family of 32-bit ARM Cortex-M0+ microcontrollers. The J-series designation typically indicates a specific pin count and peripheral configuration within the SAM D20 lineup. These devices are designed for cost-sensitive applications requiring reliable performance in compact form factors.

FAQ

What is the maximum operating frequency of the ATSAMD20J18A-AUES?

The maximum operating frequency is 48 MHz.

How many ADC channels are available on this microcontroller?

The device provides 20 ADC channels with 12-bit resolution.