ATSAME70N19B-CN

Overview

The ATSAME70N19B-CN is a 32-bit microcontroller from the SAM E70 series, built on an ARM Cortex-M7 core operating at 300MHz. It features 512KB of Flash memory and 256KB of SRAM. The device includes five 12-bit ADC channels and one 12-bit DAC channel. Connectivity options include CANbus, Ethernet, I2C, IrDA, LINbus, SPI, SSC, and UART/USART. It operates within a voltage range of 1.7V to 3.6V and supports a temperature range of -40°C to 105°C.

Feature Summary

• Integrates an ARM Cortex-M7 processor with FPU for high-performance computing
• Provides comprehensive industrial communication interfaces including Ethernet and CANbus
• Includes multiple analog peripherals such as multi-channel ADCs and DACs
• Supports advanced security features and peripheral management via DMA

Applications

• Industrial automation controllers
• Human-machine interface (HMI) panels
• Smart energy metering systems
• Medical equipment control units

Procurement Notes

Verify the specific suffix 'CN' against official Microchip documentation to confirm regional or environmental compliance specifications. Ensure compatibility with existing board designs regarding the package type and pinout configuration. Cross-reference the manufacturing date code with current RoHS and REACH status reports to maintain regulatory adherence during procurement.

Selection Notes

Select this component when a balance of moderate memory capacity and robust connectivity is required. The SAM E70 series offers a cost-effective solution compared to higher-end V71 models while maintaining Cortex-M7 performance. Consider the available I/O count and peripheral set relative to system requirements before finalizing the choice.

Part Context

This part belongs to the SAM E70 family, designed for applications requiring reliable real-time processing and extensive connectivity. It shares architectural similarities with the S70 and V70 families but differs in memory size and specific peripheral availability. The N19 variant specifically denotes the 512KB Flash and 256KB RAM configuration within the LQFP package option.

FAQ

Does the ATSAME70N19B-CN support hardware floating-point operations?

Yes, the integrated ARM Cortex-M7 core includes a single-precision Floating Point Unit (FPU) to accelerate mathematical computations.

What is the maximum clock speed of this microcontroller?

The internal oscillator allows the CPU to operate at a maximum frequency of 300MHz.