ATSAME70N21A-CN

Overview

The ATSAME70N21A-CN is a microcontroller module based on the ARM Cortex-M7 core, operating at a maximum clock frequency of 300 MHz. It features 2 MB of flash memory and 384 KB of SRAM within a 100-pin LFBGA package. The device supports a 32-bit data bus width and includes integrated peripherals such as USB, Ethernet, CANbus, I2C, SPI, UART, USART, QSPI, MMC/SD/SDIO, I2S, PWM, DMA, and watchdog timer. It operates within a voltage range of 1.62 V to 3.6 V and functions between -40°C and +105°C.

Feature Summary

• High-performance processing capability via ARM Cortex-M7 architecture running up to 300 MHz
• Integrated connectivity interfaces including Ethernet, USB, CANbus, and multiple serial communication protocols
• Large onboard memory capacity with 2 MB flash and 384 KB SRAM for complex application execution
• Comprehensive peripheral set supporting motor control, audio (I2S), and storage interfaces

Applications

• Motor control systems utilizing MCHV-3 or MCLV-2 evaluation platforms
• Industrial automation controllers requiring high-speed processing and robust connectivity
• Embedded solutions demanding significant memory resources and real-time performance
• Complex IoT gateways integrating multiple communication standards

Procurement Notes

Verify the specific suffix 'CN' against official Microchip documentation to confirm regional compliance or manufacturing origin specifications. Ensure compatibility with the intended development environment, particularly regarding the SAM E70 series toolchain. Confirm that the 100-pin LFBGA package footprint matches the target PCB design constraints. Validate power supply requirements align with the specified 1.62 V to 3.6 V operating range for stable system operation.

Selection Notes

Select this component when an ARM Cortex-M7 core is required for applications needing substantial code storage and runtime data handling capabilities. It is suitable for designs prioritizing high-frequency operation up to 300 MHz alongside extensive peripheral integration. Consider this part for projects involving motor control or industrial networking where Ethernet and CANbus support are essential. Evaluate thermal management needs given the operational temperature range and package type.

Part Context

This module belongs to the ATSAME70 family, designed for high-performance embedded applications. It serves as a plug-in module compatible with specific Microchip evaluation boards like MCHV-3 and MCLV-2. The device leverages the efficiency of the Cortex-M7 architecture to deliver advanced processing power in a compact form factor, targeting complex control tasks.

Replacement Considerations

Consult official Microchip cross-reference guides for verified substitutes within the SAM S70 or SAM V70 families. Ensure any replacement maintains pin compatibility or allows for necessary schematic modifications. Verify that alternative parts offer equivalent memory sizes and peripheral sets to avoid redesign efforts.