ATSAMS70N20B-CN

Overview

The ATSAMS70N20B-CN is a 32-bit microcontroller from the Microchip 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-pin LQFP package. The device supports a supply voltage range of 1.08V to 3.6V and includes multiple communication interfaces such as USB, SPI, UART, I2C, and SDIO. It also provides analog capabilities with ten 12-bit ADC channels and two 12-bit DAC channels.

Feature Summary

• High-performance processing via ARM Cortex-M7 core with integrated DSP and FPU capabilities for complex computational tasks.
• Comprehensive connectivity suite supporting USB OTG, Ethernet MAC, CAN, and various serial protocols for diverse system integration.
• Integrated analog subsystem including high-resolution ADCs and DACs for precise signal acquisition and generation.
• Robust peripheral set featuring DMA controllers, timers, and watchdogs to ensure efficient data handling and system reliability.

Applications

• Industrial automation control systems requiring real-time processing and robust communication protocols.
• Medical devices needing high-precision analog signal processing and secure data handling.
• Consumer electronics utilizing touch screen interfaces and multimedia playback capabilities.
• Smart metering infrastructure demanding reliable long-term operation and secure communication.

Procurement Notes

Verify the specific suffix 'B' against official Microchip documentation to confirm any distinct manufacturing or revision differences compared to standard variants. Ensure compatibility with required packaging formats and environmental specifications before finalizing procurement orders. Cross-reference part numbers with current datasheets to avoid discrepancies in pinouts or electrical characteristics.

Selection Notes

Select this component when a balance of high-speed processing and moderate I/O count is required in a compact surface-mount package. Consider the 100-LQFP form factor for designs where board space is limited but sufficient GPIO availability is necessary. Evaluate power consumption requirements against the 1.08V to 3.6V operating range to ensure appropriate power management strategies are implemented.

Part Context

This microcontroller belongs to the SAM S70 family, designed for applications demanding high performance and rich connectivity. It shares architectural similarities with other members like the ATSAMS70N20A-CN but may differ in package type or specific revision details. The family targets markets requiring advanced control algorithms and extensive peripheral integration.

FAQ

What is the maximum clock frequency of the ATSAMS70N20B-CN?

The maximum clock frequency is 300 MHz.

Does the ATSAMS70N20B-CN support USB On-The-Go (OTG)?

Yes, the device includes a USB controller that supports On-The-Go functionality.