ATSAME70N19A-CNT

Overview

The ATSAME70N19A-CNT is a Microchip Technology microcontroller from the SAM E70 series, featuring an ARM Cortex-M7 core. It operates at a maximum clock frequency of 300 MHz and includes 512 KB of flash memory and 256 KB of SRAM. The device provides 75 I/O pins and supports multiple communication interfaces including CANbus, Ethernet, I2C, LINbus, MMC/SD/SDIO, QSPI, SPI, UART/USART, and USB. It integrates 10-channel 12-bit ADCs and two 12-bit DACs. Operating voltage ranges from 1.62 V to 3.6 V, with an operating temperature range of -40°C to 105°C.

Feature Summary

• High-performance processing via ARM Cortex-M7 core running up to 300 MHz
• Integrated connectivity supporting Ethernet, CANbus, and various serial protocols
• On-chip analog conversion capabilities with multiple 12-bit ADC channels and DACs

Applications

• Industrial motor control systems
• Human-machine interface (HMI) displays
• Networked embedded applications requiring Ethernet connectivity

Procurement Notes

Verify the specific package type associated with the suffix CNT against official datasheets, as suffixes often denote packaging variations rather than functional changes. Confirm availability status directly with authorized distributors or the manufacturer, as supply levels fluctuate. Ensure compliance with RoHS directives and check for any recent product change notices affecting lead times or specifications before finalizing procurement orders.

Selection Notes

Select this component when a balance of high-speed processing and extensive peripheral integration is required within the SAM E70 family. Consider the 512 KB flash and 256 KB RAM limits for application complexity. Evaluate pin count requirements against the available 75 I/Os. Compare against other SAM E70 variants if different memory sizes or package options better suit the design constraints.

Part Context

This part belongs to the SAM E70 series of 32-bit microcontrollers based on the ARM Cortex-M7 architecture. The series is designed for applications demanding high performance and rich connectivity. Other members in this family include variants with different memory capacities such as 1 MB or 2 MB flash, and packages like LQFP or larger BGAs, offering flexibility for diverse embedded system designs.

Replacement Considerations

Direct substitutes within the same family include ATSAME70N20A for increased flash capacity or ATSAME70J19A for a different package option. Verify pin compatibility and memory requirements when considering these alternatives. Cross-referencing with the SAM S70 or V70 series may be necessary if additional features are needed, though software migration might be required.