ATSAMS70Q20A-CN

Overview

The ATSAMS70Q20A-CN 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 1 MB of Flash program memory alongside 384 kB of SRAM data RAM. The device utilizes an LFBGA-144 package and supports a supply voltage range of 1.7 V to 3.6 V. It provides 114 I/O pins and integrates multiple communication interfaces including SPI, UART, USART, and USB. The component operates within a temperature range of -40°C to +105°C and incorporates 12-bit ADC and DAC resolutions.

Feature Summary

• Integrates an ARM Cortex-M7 core with DSP and FPU capabilities for high-performance processing.
• Supports diverse connectivity through integrated SPI, UART, USART, and USB interfaces.
• Includes 12-bit analog-to-digital and digital-to-analog converters for signal processing.
• Features extensive general-purpose input/output options via the LFBGA-144 package.

Applications

• Industrial automation control systems
• Human-machine interface (HMI) displays
• Medical equipment controllers
• Smart metering applications

Procurement Notes

Verify the specific suffix CN against official Microchip documentation to confirm regional compliance or material specifications. Ensure the LFBGA-144 package type matches your PCB footprint requirements. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly. Cross-reference the datasheet revision date to ensure compatibility with current design standards.

Selection Notes

Select this model when a balance of high-speed processing and moderate pin count is required. The 1 MB Flash and 384 kB SRAM support complex firmware and data buffering needs. Consider the LFBGA-144 package constraints regarding board space and thermal management. Evaluate if the available I/O count meets system expansion requirements without additional multiplexing.

Part Context

This component belongs to the SAM S70 family, which targets performance-oriented embedded applications. The series combines ARM Cortex-M7 cores with various memory configurations and peripheral sets. The Q20 variant specifically denotes the 1 MB Flash and 384 kB SRAM configuration within this lineup.

FAQ

What is the maximum operating frequency of the ATSAMS70Q20A-CN?

The maximum clock frequency is 300 MHz.

Does the ATSAMS70Q20A-CN include floating-point capabilities?

Yes, the ARM Cortex-M7 core includes a single-precision floating-point unit (FPU).