ATSAME70N20B-AN

Overview

The ATSAME70N20B-AN is a 32-bit microcontroller from the SAM E70 series, featuring an ARM Cortex-M7 core operating at 300MHz. It integrates 1MB of Flash memory and 384KB of SRAM within a 100-LQFP package. The device supports a supply voltage range of 1.62V to 3.6V and includes multiple communication interfaces such as Ethernet, USB, CANbus, I2C, SPI, and UART. It also provides 10-channel 12-bit ADCs and 2-channel 12-bit DACs for analog applications.

Feature Summary

• High-performance processing via ARM Cortex-M7 core with DSP instructions
• Integrated Ethernet MAC with dedicated DMA for network connectivity
• Comprehensive peripheral set including USB OTG, CANbus, and QSPI
• On-chip cache and TCM for optimized code execution speed

Applications

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

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm pinout and feature variations. Ensure compatibility with required operating temperature ranges and voltage levels. Cross-reference datasheet revisions to validate peripheral availability and electrical characteristics before finalizing procurement specifications.

Selection Notes

Select this component when high computational throughput and integrated connectivity are required. The 100-pin LQFP package offers extensive I/O options suitable for complex system designs. Consider the 300MHz clock speed for real-time processing tasks and evaluate the available analog peripherals for sensor interfacing requirements.

Part Context

This part belongs to the SAM E70 family, designed for applications demanding high performance and rich connectivity. It shares architectural similarities with other Cortex-M7 based MCUs but distinguishes itself through integrated Ethernet and robust industrial-grade features. The series targets cost-sensitive yet performance-critical embedded solutions.

Replacement Considerations

Consult official substitution guides for compatible alternatives within the SAM E70 or SAM S70 families. Verify pin-to-pin compatibility and memory configuration matches before considering cross-series replacements.