ATSAMS70Q20A-AN

Overview

The ATSAMS70Q20A-AN is a 32-bit microcontroller based on the ARM Cortex-M7 core, operating at a maximum frequency of 300 MHz. It features 1 MB of in-system programmable flash memory and 384 KB of SRAM. The device is housed in a 144-pin LQFP package with an operating temperature range of -40°C to +105°C. It supports a supply voltage of 1.62V to 3.6V and includes extensive connectivity options such as Ethernet, USB, CANbus, and multiple serial interfaces.

Feature Summary

• Integrates a high-performance ARM Cortex-M7 processor with single-cycle multiplication and hardware division capabilities for efficient signal processing.
• Includes a dedicated Graphics Controller Unit (GCU) to offload graphical rendering tasks from the main CPU.
• Features an integrated Ethernet MAC with DMA supporting IEEE 1588v2 Precision Time Protocol for synchronized network communications.
• Provides multiple high-speed communication peripherals including QSPI, SDIO/MMC, and various UART/SPI/I2C interfaces.

Applications

• Industrial automation controllers requiring deterministic real-time performance
• Human-machine interface (HMI) panels with graphical displays
• Smart metering systems utilizing precision time protocol synchronization
• Automotive infotainment and instrument cluster applications

Procurement Notes

Verify the specific suffix 'AN' corresponds to the tray packaging format when ordering. Confirm that the required pinout matches the 144-LQFP footprint in your design. Ensure compatibility with the SAM E70/S70/Q70 family development tools. Check for any regional compliance certifications required for your target market before finalizing procurement.

Selection Notes

Select this model if your application requires 1 MB of flash memory and 384 KB of RAM within a 144-pin form factor. Choose this part over smaller variants like the J-series if you need the full set of I/O pins and peripheral counts available in the Q-series. Consider the thermal characteristics of the LQFP package for your enclosure design.

Part Context

This component belongs to the Microchip SAM S70 series of microcontrollers. It shares architectural similarities with the SAM E70 and SAM Q70 families but offers specific pin configurations and peripheral availability tailored for high-performance embedded applications. It serves as a successor to earlier ARM-based MCUs in the Microchip portfolio.

Replacement Considerations

ATSAME70Q20A-AN

FAQ

Does the ATSAMS70Q20A-AN support floating-point operations?

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

What is the maximum clock speed of this microcontroller?

The internal oscillator can drive the core at a maximum frequency of 300 MHz.