ATSAMS70N20B-CFN

Overview

The ATSAMS70N20B-CFN is a 32-bit microcontroller from the Microchip SAM S70 series, featuring an ARM Cortex-M7 core operating at a maximum frequency of 300 MHz. It integrates 1 MB of flash memory and 384 kB of SRAM within a 144-pin UFBGA package. The device supports a supply voltage range of 1.7 V to 3.6 V and includes 114 general-purpose I/Os. Peripheral interfaces include SPI, UART, USART, USB, and multiple timers. It offers 12-bit ADC resolution with 24 channels and 12-bit DAC resolution.

Feature Summary

• High-performance processing via ARM Cortex-M7 core
• Integrated high-density non-volatile and volatile memory
• Comprehensive analog conversion capabilities
• Extensive digital communication interface support

Applications

• Industrial automation controllers
• Medical equipment signal processing
• Automotive instrument clusters
• Smart home hub processors

Procurement Notes

Verify the specific suffix 'B' against official Microchip documentation to confirm silicon revision or temperature grade variations compared to earlier 'A' variants. Ensure the 144-pin UFBGA footprint matches the target PCB design constraints. Confirm RoHS compliance status through current manufacturer declarations prior to final procurement authorization.

Selection Notes

Select this component for designs requiring significant code storage alongside substantial data handling capacity. The 114 I/O count provides flexibility for complex peripheral integration. Evaluate the 300 MHz clock speed against real-time processing requirements. Consider the thermal characteristics of the TFBGA/UFBGA package for heat dissipation in enclosed enclosures.

Part Context

This unit belongs to the SAM S70 family, designed for applications demanding high computational throughput and rich connectivity. It shares architectural similarities with the SAM E70 and SAM V70 series but is optimized for cost-sensitive industrial and consumer markets. The N20 designation typically indicates the specific memory configuration within this product line.

FAQ

What is the maximum operating frequency of the ATSAMS70N20B-CFN?

The microcontroller operates at a maximum clock frequency of 300 MHz.

How many analog-to-digital converter channels are available?

The device features 24 channels for the 12-bit ADC module.