ATSAMD20J16A-CN

Overview

The ATSAMD20J16A-CN is a Microchip Technology ARM microcontroller based on the Cortex-M0+ core, operating at a maximum clock frequency of 48 MHz. It features 64 kB of Flash program memory and 8 kB of SRAM data RAM within a UFBGA-64 package. The device supports a supply voltage range from 1.62 V to 3.63 V and includes a 12-bit ADC with 20 channels. It provides 52 I/O pins and integrates interfaces such as I2C, SPI, UART, and USART. The component operates within a temperature range of -40°C to +105°C.

Feature Summary

• Integrates an ARM Cortex-M0+ processor core for efficient code execution.
• Includes multiple communication peripherals including I2C, SPI, UART, and USART.
• Features a 12-bit analog-to-digital converter with 20 input channels.
• Supports extended industrial temperature operation up to +105°C.

Applications

• Industrial control systems requiring robust environmental tolerance
• Consumer electronics utilizing low-power ARM architectures
• Embedded applications needing multiple serial communication interfaces

Procurement Notes

Verify the specific suffix CN corresponds to the UFBGA-64 package and +105°C temperature rating in the official datasheet. Confirm RoHS compliance status through manufacturer documentation. Ensure design-in compatibility with required voltage levels and interface protocols before procurement.

Selection Notes

Select this model when a compact UFBGA footprint is required alongside high pin count availability. Consider the 48 MHz performance limit and 64 kB memory capacity against application demands. Evaluate the extended temperature range suitability for harsh environments compared to commercial grade alternatives.

Part Context

This component belongs to the SAM D20 family of 32-bit ARM Cortex-M0+ microcontrollers. It shares architectural similarities with other SAM D20 variants but differs in package type and temperature specifications. The J-series designation typically indicates specific pinout and peripheral configurations within the broader SAM D20 ecosystem.

Replacement Considerations

ATSAMD20J16A-AU offers similar specifications in a TQFP-64 package. ATSAMD20J16B-MUT provides comparable performance in a VQFN-32 package. Verify pin compatibility and thermal requirements when substituting these models.