ATSAME54P19A-CTUT

Overview

The ATSAME54P19A-CTUT is a 32-bit microcontroller from the Microchip SAM E54 series, featuring an ARM Cortex-M4F core with a floating-point unit. It operates at a maximum frequency of 120 MHz and includes 512 KB of Flash memory and 192 KB of SRAM. The device supports a supply voltage range of 1.71 V to 3.6 V and offers 81 I/O pins. It integrates multiple communication interfaces including CAN FD, Ethernet MAC, USB HS/FS, SPI, I2C, and USART. The component is housed in a TQFP-100 package and is qualified for automotive applications under AEC-Q100 standards.

Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards for extended temperature operation.
• Integrated hardware security features including AES-256 encryption, SHA, and TRNG.
• High-performance processing with ARM Cortex-M4F core and FPU for real-time control.
• Comprehensive connectivity suite supporting CAN FD, Ethernet, and USB interfaces.

Applications

• Automotive body electronics and gateway controllers
• Industrial motor drives and automation systems
• Smart energy metering and utility infrastructure
• Medical devices requiring robust data integrity

Procurement Notes

Verify the specific suffix CTUT against official Microchip documentation to confirm tape-and-reel packaging and moisture sensitivity level. Ensure compatibility with existing board designs regarding the TQFP-100 footprint and pinout. Cross-reference the AEC-Q100 qualification status if automotive compliance is mandatory for the end product.

Selection Notes

Select this model when automotive certification is required alongside high-speed connectivity options like CAN FD and Ethernet. Compare against the ATSAME54P20A variant if larger memory capacity (1 MB Flash) is needed. Consider the TQFP-100 package constraints for PCB layout density compared to BGA alternatives in the same family.

Part Context

This component belongs to the SAM E54 family, designed for cost-sensitive automotive and industrial applications. It bridges the gap between standard commercial MCUs and higher-end automotive processors by offering integrated safety features and robust peripheral sets within a compact form factor.

Replacement Considerations

ATSAME54P19A-AUT-EFP: Alternative automotive-qualified version in TQFP-128 package with identical core specifications but different pin count and memory configuration.

FAQ

What is the operating temperature range for the ATSAME54P19A-CTUT?

The device is qualified for an extended industrial temperature range of -40°C to +125°C, consistent with its AEC-Q100 Grade 1 classification.

Does the ATSAME54P19A support CAN FD protocol?

Yes, the microcontroller includes a dedicated CAN FD controller capable of handling flexible data rate transmissions up to 8 Mbps.