ATSAMS70Q21B-CN

Overview

The ATSAMS70Q21B-CN is an ARM microcontroller from the SAM S70 series, featuring a Cortex-M7 core operating at a maximum clock frequency of 300 MHz. It integrates 2 MB of program memory and 384 kB of SRAM data RAM within a 144-pin LFBGA package. The device supports a supply voltage range of 1.7 V to 3.6 V and includes 114 I/O lines with 24 ADC channels. It operates within a temperature range of -40°C to +105°C.

Feature Summary

• High-performance processing via ARM Cortex-M7 core
• Integrated large capacity flash and static random-access memory
• Multiple communication interface support including USB and serial protocols

Applications

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

Procurement Notes

Verify the specific suffix CN against official Microchip documentation to confirm regional compliance or material specifications. Ensure the LFBGA-144 package footprint matches your PCB design constraints. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly to prevent component damage during manufacturing.

Selection Notes

Select this model when high computational throughput is required alongside substantial onboard storage for complex applications. The 300 MHz speed and 2 MB flash accommodate advanced graphical user interfaces and real-time processing tasks. Consider the 144-pin form factor for sufficient peripheral connectivity in space-constrained designs.

Part Context

This component belongs to the Microchip SAM S70 family of smart microcontrollers. These devices are designed for applications requiring high performance and rich peripheral sets. The series targets industrial, automotive, and consumer markets needing robust processing capabilities and extensive connectivity options.

Replacement Considerations

Consult official datasheets for pin-compatible alternatives within the SAM S70 series. Verify memory sizes and package types when substituting to ensure functional equivalence.