ATSAMS70N21B-CN

Overview

The ATSAMS70N21B-CN is an ARM microcontroller from the SAM S70 series, featuring a Cortex-M7 core operating at 300 MHz. It integrates 2 MB of Flash memory and 384 KB of SRAM within an LQFP-100 package. The device supports a data bus width of 32 bits and includes interfaces such as SPI, UART, USART, and USB. It operates with a supply voltage range of 1.7 V to 3.6 V and functions within a temperature range of -40°C to +105°C.

Feature Summary

• High-performance processing via ARM Cortex-M7 core
• Integrated non-volatile memory for code storage
• Support for multiple serial communication protocols

Applications

• Industrial control systems
• Human-machine interface (HMI) displays
• Automotive infotainment units

Procurement Notes

Verify the specific suffix CN against official Microchip documentation to confirm regional compliance or material specifications. Ensure the LQFP-100 package dimensions match your PCB footprint requirements. Confirm moisture sensitivity level handling procedures during assembly to prevent damage. Cross-reference the datasheet revision date to ensure compatibility with current design standards.

Selection Notes

Select this component when high computational throughput is required alongside substantial onboard memory. The 300 MHz clock speed suits complex algorithm execution. The LQFP-100 package offers a balance between pin count and board space. Consider thermal management capabilities given the operational temperature range and power consumption characteristics of the Cortex-M7 architecture.

Part Context

This part belongs to the Microchip SAM S70 family, designed for applications demanding robust performance and security. The series utilizes the Cortex-M7 processor to deliver efficient execution of complex tasks. It targets markets requiring reliable embedded control solutions with extensive peripheral integration for connectivity and data processing.

Replacement Considerations

Consult official Microchip documentation for verified cross-references. No direct substitute part numbers are confirmed in the provided source material.