ATSAMS70Q19B-CN

Overview

The ATSAMS70Q19B-CN is a 32-bit microcontroller from the SAM S70 series, featuring an ARM Cortex-M7 core operating at 300MHz. It integrates 512KB of Flash memory and 256KB of SRAM within a 144-LFBGA package. The device supports up to 114 I/Os and includes interfaces such as CAN-FD, Ethernet, USB, SPI, UART, and I2C. Analog capabilities include 24-channel 12-bit ADCs and two 12-bit DACs. Operating voltage ranges from 1.7V to 3.6V, with 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 connectivity suite including CAN-FD, Ethernet, and multiple serial communication interfaces for robust system integration.
• Integrated analog front-end with high-resolution ADCs and DACs for precise signal acquisition and generation.

Applications

• Industrial automation controllers requiring real-time processing and reliable communication protocols.
• Medical equipment utilizing high-precision analog signal processing and secure data handling.
• Smart metering systems demanding low power consumption and robust connectivity features.

Procurement Notes

Verify the specific suffix 'CN' against official Microchip documentation to confirm environmental compliance and packaging details. Ensure compatibility with existing PCB footprints for the 144-LFBGA package. Cross-reference the latest datasheet revision for any updates to electrical characteristics or pin assignments prior to final design approval.

Selection Notes

Select this component when a balance of high computational performance and extensive peripheral integration is required. The SAM S70 series is suitable for applications needing significant on-chip memory and diverse interface options. Consider the thermal requirements of the LFBGA package and ensure adequate cooling solutions are implemented for continuous operation at maximum frequencies.

Part Context

This part belongs to the SAM S70 family, designed for high-performance embedded applications. It shares architectural similarities with other SAM E70 and V70 variants but offers specific memory and interface configurations tailored for cost-sensitive yet powerful industrial and consumer electronics. The family emphasizes security features and ease of development through standardized toolchains.

FAQ

Does the ATSAMS70Q19B-CN support CAN-FD?

Yes, the datasheet specifies support for CAN-FD (Controller Area Network Flexible Data-Rate) among its connectivity interfaces.

What is the maximum operating frequency of the core?

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