ATSAME70N20A-CNT

Overview

The ATSAME70N20A-CNT is a 32-bit microcontroller from the SAM S70 series, featuring an ARM Cortex-M7 core operating at 300MHz. It integrates 1MB of Flash memory and 384KB of SRAM within a 100-LFBGA package. The device supports a supply voltage range of 1.62V to 3.6V and includes multiple communication interfaces such as USB, SPI, UART, I2C, and Ethernet. It also provides 10-channel 12-bit ADCs and two 12-bit DACs for analog applications.

Feature Summary

• High-performance processing via ARM Cortex-M7 core with DSP instructions
• Integrated connectivity including Ethernet MAC and USB OTG capabilities
• On-chip memory configuration with 1MB Flash and 384KB SRAM
• Analog signal processing support with multiple 12-bit ADCs and DACs

Applications

• Industrial motor control systems
• Human-machine interface (HMI) displays
• Smart metering devices
• Medical equipment requiring high-speed data acquisition

Procurement Notes

Verify the specific suffix CNT indicates tape and reel packaging when sourcing components. Confirm the manufacturer part number matches exactly to ensure correct pinout and electrical characteristics. Check for any recent product change notifications regarding material or assembly updates. Ensure compatibility with existing design files and BOM requirements before finalizing procurement decisions.

Selection Notes

Select this component for designs requiring high computational throughput and extensive peripheral integration in a compact footprint. Compare against other SAM E70 variants if different package types or I/O counts are needed. Consider the thermal performance of the LFBGA package for the target application environment. Evaluate power consumption profiles against system battery life requirements.

Part Context

This MCU belongs to the SAM S70 family, which shares architectural similarities with the SAM E70 but may differ in specific peripheral availability or package options. It is designed for applications demanding robust real-time control and complex user interfaces. The device complements Microchip's broader portfolio of ARM-based microcontrollers for industrial and commercial markets.

Replacement Considerations

ATSAME70N20A-AN offers identical specifications in a 100-LQFP package. ATSAMS70N20A-CN provides the same core functionality in a 100-TFBGA package. Verify pin compatibility and mechanical constraints before substituting these alternatives.