ATSAME70Q19A-CFNT

Overview

The ATSAME70Q19A-CFNT is a 32-bit microcontroller from the Microchip SAM E70 series, featuring an ARM Cortex-M7 core operating at 300MHz. It integrates 512KB of flash memory and 256KB of SRAM within a 144-UFBGA (6x6) package. The device supports a supply voltage range of 1.62V to 3.6V and includes extensive connectivity options such as Ethernet, CANbus, USB, and various serial interfaces. It also provides 24-channel 12-bit ADCs and 2-channel 12-bit DACs for analog applications.

Feature Summary

• Integrates high-performance ARM Cortex-M7 processor with FPU and MPU for complex control tasks
• Includes dedicated Ethernet MAC with DMA for reliable network communication
• Features multiple high-speed serial interfaces including SPI, I2C, UART, and CANbus
• Provides integrated analog peripherals with 12-bit ADCs and DACs

Applications

• Industrial automation controllers requiring real-time processing
• Smart metering systems with analog signal acquisition needs
• Networked embedded devices utilizing Ethernet connectivity
• Motor control applications leveraging PWM and timer peripherals

Procurement Notes

Verify the specific suffix CFNT indicates the UFBGA package variant during sourcing. Confirm that the component matches the SAM E70 series specifications regarding pinout and electrical characteristics. Ensure compatibility with existing board designs due to the specific 144-pin footprint. Check for any recent datasheet updates or errata sheets relevant to this package type before finalizing procurement decisions.

Selection Notes

Select this model when a balance of moderate memory capacity and high-speed connectivity is required. It is suitable for applications needing Ethernet and CANbus without the higher cost of larger flash variants. Consider the UFBGA package constraints for PCB layout and thermal management. Compare against ATSAMS70 equivalents if S70-specific features like QSPI are not needed.

Part Context

This component belongs to the SAM E70 family, designed for performance-oriented embedded applications. It shares the Cortex-M7 core architecture with other members but differs in memory size and package options. The E70 series emphasizes connectivity and analog capabilities compared to other Microchip MCU lines.

FAQ

Does the ATSAME70Q19A-CFNT support Ethernet communication?

Yes, it includes an Ethernet MAC peripheral with DMA support for network connectivity.

What is the maximum operating frequency of the core?

The ARM Cortex-M7 core operates at a maximum frequency of 300MHz.