ATSAMD51J19A-AUT

Overview

The ATSAMD51J19A-AUT 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 operates within a supply voltage range of 1.71 V to 3.6 V and supports an industrial temperature range of -40°C to +85°C. It provides 51 general-purpose I/O pins and integrates multiple communication interfaces including I2C, SPI, USART, LIN, and USB. The component is housed in a 64-TQFP package with dimensions of 10x10 mm.

Feature Summary

• Integrates an ARM Cortex-M4F core with a floating-point unit for efficient digital signal processing.
• Supports high-speed serial communication protocols via SERCOM modules and native USB connectivity.
• Includes dedicated hardware peripherals such as DMA controllers and I2S interfaces for audio applications.

Applications

• High-fidelity audio processing systems requiring low-latency I2S transmission
• Modular computing platforms utilizing CircuitPython or Arduino frameworks
• Industrial control devices requiring robust peripheral integration

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and operating temperature range. Ensure compatibility with required interface standards before integration. Confirm RoHS compliance status for environmental regulations. Cross-reference datasheet revisions to identify any silicon errata affecting design implementation.

Selection Notes

Select this component when a balance of processing power and peripheral density is required for embedded applications. The inclusion of a floating-point unit makes it suitable for complex mathematical operations without external co-processors. Consider the 64-pin form factor for space-constrained designs needing extensive I/O capabilities.

Part Context

This microcontroller belongs to the SAM D51 series, designed for performance-oriented IoT and industrial applications. It shares architectural similarities with other members of the SAM D5x family but offers specific memory configurations and pin counts tailored for mid-range control tasks.

Replacement Considerations

ATSAMD51J19A-AU

FAQ

Does the ATSAMD51J19A-AUT include a floating-point unit?

Yes, the device incorporates an ARM Cortex-M4F core which includes a single-precision floating-point unit (FPU).

What is the maximum operating speed of this microcontroller?

The maximum clock frequency supported by the ATSAMD51J19A-AUT is 120 MHz.