ATSAME70Q20A-CFN

Overview

The ATSAME70Q20A-CFN is a 32-bit microcontroller from the Microchip SAM E70 series, featuring an ARM Cortex-M7 core operating at 300MHz. It integrates 1MB of flash memory and 384KB of SRAM within a 144-UFBGA package measuring 6x6mm. The device supports a supply voltage range of 1.62V to 3.6V and operates between -40°C and 105°C. Connectivity includes Ethernet, USB, CANbus, SPI, I2C, UART, QSPI, and MMC/SD interfaces. Peripheral features comprise DMA, I2S, PWM, and multiple ADC/DAC converters.

Feature Summary

• High-performance processing via ARM Cortex-M7 core with DSP instructions
• Integrated Ethernet MAC with dedicated DMA for network applications
• Flexible memory architecture supporting large code and data storage
• Comprehensive analog interface suite with high-resolution converters

Applications

• Industrial motor control systems requiring precise timing
• Human-machine interface (HMI) panels with graphical displays
• Smart metering devices needing robust communication protocols
• Medical equipment utilizing high-fidelity signal acquisition

Procurement Notes

Verify the specific suffix 'CFN' corresponds to the 144-UFBGA(6x6) package variant during sourcing. Confirm operational temperature ratings match industrial requirements. Ensure EDA models align with PCB design tools. Check for recent datasheet updates regarding pinout or electrical characteristics before finalizing procurement specifications.

Selection Notes

Select this component when high computational throughput and extensive peripheral integration are required in a compact footprint. Compare against lower-memory variants if cost sensitivity exists. Consider the UFBGA package constraints for thermal management and assembly complexity relative to LQFP alternatives. Validate power supply stability within the specified voltage range for reliable operation.

Part Context

This part belongs to the SAM E70 family, designed for performance-oriented embedded applications. It shares architectural similarities with SAM S70 and V70 series but offers specific memory and peripheral configurations tailored for cost-effective high-performance needs. The series emphasizes connectivity and processing power for modern IoT and industrial control endpoints.

Replacement Considerations

ATSAME70Q20A-AN provides equivalent functionality in a 144-LQFP package. ATSAMS70Q20A-CFN offers similar specs within the SAM S70 series. Verify pin compatibility and software library support when substituting across series or package types.