ATSAMS70Q19A-CFN

Overview

The ATSAMS70Q19A-CFN is a 32-bit ARM Cortex-M7 microcontroller from the SAM S70 series, manufactured by Microchip Technology. It features a maximum clock frequency of 300 MHz and includes 512 kB of Flash memory alongside 256 kB of SRAM. The device utilizes a 144-LFBGA package with dimensions of 10x10 mm and offers 114 general-purpose I/O pins. Power supply ranges from 1.7 V to 3.6 V, supporting an operating temperature range of -40°C to +105°C. Integrated peripherals include 24-channel 12-bit ADCs, two 12-bit DACs, and interfaces such as SPI, UART, USART, USB, I2C, and Ethernet.

Feature Summary

• Integrates an ARM Cortex-M7 core with DSP and FPU capabilities for high-performance processing.
• Includes extensive connectivity options with support for Ethernet, USB, and multiple serial communication protocols.
• Features high-resolution analog conversion with 24-channel 12-bit ADCs and dual 12-bit DACs.
• Provides robust peripheral sets including DMA, PWM, and watchdog timers for system control.

Applications

• Industrial automation controllers requiring real-time processing
• Human-machine interface (HMI) displays in industrial equipment
• Smart metering systems with analog signal acquisition needs
• Medical devices requiring precise data conversion and reliable operation

Procurement Notes

Verify the specific suffix CN against official Microchip documentation to confirm regional compliance or packaging variations. Ensure compatibility with existing board layouts due to the 144-LFBGA footprint. Check for updated errata sheets regarding silicon revisions before finalizing production designs. Confirm moisture sensitivity level handling requirements during assembly.

Selection Notes

Select this component when high computational throughput is required alongside significant on-chip memory. The 144-pin LFBGA package suits applications needing numerous I/O lines within a compact area. Consider thermal management solutions given the 105°C maximum operating temperature rating. Evaluate power consumption profiles against the 1.7V to 3.6V supply range constraints.

Part Context

This part belongs to the SAM S70 family of microcontrollers, designed for performance-oriented embedded applications. It shares architectural similarities with the SAM E70 and SAM V70 series but may differ in specific peripheral configurations or connectivity options. The Q19 designation typically indicates a specific memory configuration within the S70 lineup.

FAQ

What is the maximum operating temperature for the ATSAMS70Q19A-CFN?

The maximum operating temperature is +105°C.

Does this MCU support Ethernet connectivity?

Yes, the datasheet lists Ethernet as one of the supported connection capabilities.