ATSAMD51P19A-AU

Overview

The ATSAMD51P19A-AU is a 32-bit ARM Cortex-M4F microcontroller from the SAM D51 family, manufactured by Microchip Technology. It features a maximum clock frequency of 120 MHz and includes 512 kB of Flash program memory and 192 kB of SRAM data RAM. The device provides 99 general-purpose I/O pins and operates within a supply voltage range of 1.71 V to 3.6 V. It supports an industrial operating temperature range from -40°C to +85°C and is housed in a TQFP-128 package.

Feature Summary

• Integrates an ARM Cortex-M4F core with hardware floating-point unit for efficient digital signal processing.
• Includes multiple communication interfaces such as SPI, USART, I2C, and USB for versatile connectivity.
• Features high-resolution analog-to-digital converters and digital-to-analog converters for precision sensing.

Applications

• Industrial control systems requiring robust processing capabilities
• Consumer electronics utilizing wireless communication modules
• Smart home devices needing low-power operation

Procurement Notes

Verify the specific suffix 'AU' corresponds to the TQFP-128 package and commercial temperature grade during procurement. Confirm RoHS compliance status through official Microchip documentation or authorized distributor datasheets before finalizing orders. Ensure compatibility with existing PCB footprints for the 128-pin thin quad flat pack configuration.

Selection Notes

Select this component when a balance of high performance and extensive I/O count is required within a surface-mount package. The 120 MHz speed suits applications needing rapid data handling. Compare against other SAM D51 variants if different memory sizes or pin counts better fit the design constraints. Consider power consumption profiles relative to the intended application duty cycle.

Part Context

This MCU belongs to the SAM D51 series, designed for cost-sensitive applications requiring Cortex-M4 performance. It shares architectural similarities with the ATSAME51 series but lacks certain automotive-grade peripherals like CAN and Ethernet found in higher-tier models. The series targets general-purpose embedded control tasks across various industries.

FAQ

Does the ATSAMD51P19A-AU support hardware floating-point operations?

Yes, it integrates an ARM Cortex-M4F core which includes a single-precision hardware floating-point unit (FPU).

What is the maximum operating temperature for this component?

The maximum operating temperature is +85°C, suitable for industrial environments.