ATSAME51G18A-MF

Overview

The ATSAME51G18A-MF is an ARM Cortex-M4F microcontroller from the ATSAME51 family, manufactured by Microchip Technology. It features a 120 MHz maximum clock frequency and integrates 256 KB of Flash program memory with 128 KB of SRAM data memory. The device operates within a supply voltage range of 1.71 V to 3.63 V and supports an extended industrial temperature range from -40°C to +85°C. It includes a 12-bit ADC with 24 channels and provides 51 general-purpose I/O pins. The component is housed in a QFN-64 package and complies with AEC-Q100 automotive qualification standards.

Feature Summary

• Integrated ARM Cortex-M4F core with hardware floating-point unit for efficient digital signal processing
• Automotive-grade reliability certified under AEC-Q100 standards for harsh environment operation
• High-resolution analog-to-digital conversion capability with multiple input channels
• Comprehensive peripheral interface set including CAN, LIN, SPI, USART, and I2C

Applications

• Automotive body control modules and gateway applications
• Industrial motor control systems requiring precise timing
• Smart energy metering devices with analog sensing requirements
• IoT edge nodes utilizing USB connectivity for configuration

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the QFN-64 form factor. Confirm that the selected variant meets all required automotive or industrial qualification standards before finalizing procurement orders.

Selection Notes

Select this component when a balance of processing power and analog performance is required for space-constrained designs. The QFN-64 package offers a compact solution compared to larger TQFP options while maintaining extensive I/O availability. Consider the 120 MHz speed and 256 KB memory capacity for complex algorithm execution.

Part Context

This part belongs to the ATSAME51 series, which targets high-performance embedded applications. The series shares architectural similarities with other Microchip ARM-based MCUs but distinguishes itself through integrated automotive qualifications and specific memory configurations tailored for cost-sensitive yet robust system implementations.

Replacement Considerations

Consult official Microchip cross-reference tools for verified substitutes. Potential alternatives within the same family include variants with different memory sizes or package types, such as the ATSAME51J18A-MU.