ATSAME70Q19A-CNT

Overview

The ATSAME70Q19A-CNT 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-LFBGA (10x10) package. The device supports a supply voltage range of 1.62V to 3.6V and includes extensive connectivity options such as Ethernet, USB, CANbus, SPI, I2C, UART/USART, QSPI, MMC/SD/SDIO, LINbus, IrDA, and EBI/EMI. Analog capabilities include 24 channels of 12-bit ADC and 2 channels of 12-bit DAC. It offers 114 I/O pins and operates within a temperature range of -40°C to 105°C.

Feature Summary

• High-performance processing via ARM Cortex-M7 core with integrated DSP and FPU capabilities for complex algorithm execution.
• Comprehensive peripheral set including multiple communication interfaces like Ethernet, USB OTG, and CAN-FD for versatile system integration.
• Integrated analog front-end with high-resolution ADCs and DACs for precise signal acquisition and generation.
• Robust security features and memory protection units designed for industrial and automotive applications.

Applications

• Industrial motor control systems requiring high-speed processing and precision analog control.
• Advanced human-machine interfaces (HMI) with graphical displays and touch screen controllers.
• Smart energy metering devices utilizing high-accuracy analog measurement peripherals.
• Automotive infotainment and instrument cluster applications demanding reliable connectivity and processing power.

Procurement Notes

Verify the specific suffix 'CNT' against official Microchip documentation to confirm packaging details, as standard datasheets often list 'CN' or other variants. Ensure compatibility with required moisture sensitivity levels and reflow soldering profiles specified in the latest datasheet revision. Confirm availability of development tools and software support packages for the SAM E70 family during the sourcing phase.

Selection Notes

Select this component when a balance of high computational performance and rich peripheral connectivity is required. The SAM E70 series is suitable for applications needing Ethernet and USB alongside robust analog capabilities. Consider the 144-pin LFBGA package constraints for PCB layout and thermal management. Evaluate alternative pinouts if fewer I/Os are sufficient, or higher performance if greater processing power is needed.

Part Context

The ATSAME70Q19A-CNT belongs to the SAM E70 family, which targets cost-sensitive industrial and automotive markets. This family shares architectural similarities with the SAM S70 and SAM V70 series but may differ in specific peripheral configurations and certification levels. The E70 series emphasizes value and efficiency while maintaining Cortex-M7 performance standards.

FAQ

What is the maximum operating frequency of the ATSAME70Q19A-CNT?

The microcontroller features an ARM Cortex-M7 core that operates at a maximum frequency of 300MHz.

Does the ATSAME70Q19A-CNT support Ethernet connectivity?

Yes, the device includes an Ethernet MAC interface as part of its comprehensive connectivity suite.

What is the package type for the ATSAME70Q19A-CNT?

The component is housed in a 144-LFBGA package with dimensions of 10x10 mm.