ATSAMC20J18A-UUT

Overview

The ATSAMC20J18A-UUT is an ARM microcontroller from the Microchip SAM C20 series, featuring an ARM Cortex-M0+ core. It integrates 256 kB of Flash program memory and 32 kB of SRAM data RAM within a 56-ball WLCSP package. The device supports a maximum clock frequency of 48 MHz and operates on a supply voltage range of 2.7 V to 5.5 V. It includes a 12-bit ADC with 12 channels and provides 52 general-purpose I/O pins. The component is qualified under AEC-Q100 standards for automotive applications and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Automotive-grade qualification compliant with AEC-Q100 standards for reliable operation in vehicle environments.
• Integrated 12-channel analog-to-digital converter with 12-bit resolution for precise signal acquisition.
• Supports multiple communication interfaces including SPI, USART, I2C, LIN, and PMBus.
• Compact 56-ball wafer-level chip scale packaging designed for space-constrained surface-mount applications.

Applications

• Automotive body electronics and control modules
• Industrial sensor nodes and monitoring systems
• Consumer devices requiring low-power ARM processing

Procurement Notes

Verify the specific suffix 'UUT' corresponds to the 56-ball WLCSP package and tape-and-reel shipping configuration. Confirm that the AEC-Q100 qualification status meets your project's reliability requirements. Ensure compatibility with the 2.7V to 5.5V operating voltage range for your power design. Check for any recent product change notices regarding manufacturing sites or material composition updates.

Selection Notes

Select this component when a compact footprint is required alongside automotive-grade reliability. The 56-ball WLCSP offers a small profile suitable for dense PCB layouts. Consider the 48 MHz performance limit and 256 kB memory capacity against application demands. Verify that the available 52 I/O pins and 12 ADC channels satisfy interface and sensing requirements.

Part Context

This part belongs to the Microchip SAM C20 family of 32-bit ARM Cortex-M0+ microcontrollers. The family emphasizes energy efficiency and connectivity for embedded control tasks. The ATSAMC20J18A variant specifically targets applications needing robust peripheral sets and automotive certification within a minimal physical envelope.

Replacement Considerations

Cross-reference with other SAM C20 variants such as ATSAMC20J18A-AUT for different package options like TQFP. Evaluate ATSAMC21 series parts if additional peripherals like DACs are needed, noting potential pinout differences.

FAQ

What is the maximum operating temperature for the ATSAMC20J18A-UUT?

The device is rated for a maximum operating temperature of +85°C.

Does this microcontroller support automotive applications?

Yes, the ATSAMC20J18A-UUT is qualified according to the AEC-Q100 standard.

How many analog input channels are available?

The component features a 12-bit ADC with 12 dedicated channels.