ATSAMS70J20B-MN

Overview

The ATSAMS70J20B-MN is an ARM Cortex-M7 microcontroller from the SAM S70 series, operating at a maximum clock frequency of 300 MHz. It features 1 MB of Flash memory and 384 kB of SRAM within a VQFN-64 package. The device supports a 32-bit data bus width and includes 44 I/O lines. Power supply ranges from 1.7 V to 3.6 V, with analog voltage at 3.3 V. Operating temperature spans -40°C to +105°C. Interfaces include SPI, UART/USART, and USB. ADC resolution is 12 bit with 5 channels, and DAC resolution is 12 bit.

Feature Summary

• High-performance processing via ARM Cortex-M7 core
• Integrated memory for code and data storage
• Multiple communication interface options
• Analog signal conversion capabilities

Applications

• Industrial control systems
• Medical devices
• Automotive electronics
• Consumer electronics

Procurement Notes

Verify the exact part number suffix against official Microchip documentation to ensure correct package type and pinout configuration. Confirm that the specific variant matches your design requirements for memory size and interface availability. Check RoHS compliance status if required by your manufacturing standards. Ensure compatibility with your chosen development tools and programming interfaces before procurement.

Selection Notes

Consider the trade-off between performance and pin count when selecting this MCU. The VQFN-64 package offers a compact solution but limits available I/O compared to larger packages. Evaluate whether the integrated peripherals meet your application needs or if external components are necessary. Assess power consumption requirements against the specified operating voltage range.

Part Context

This component belongs to the SAM S70 family of ARM-based microcontrollers designed for high-performance applications. It shares architectural similarities with other members of the series but differs in memory capacity and package options. The Cortex-M7 core provides advanced processing capabilities suitable for complex tasks requiring real-time response.

Replacement Considerations

ATSAMS70J20B-MNT is a direct substitute with identical specifications but different packaging media.