AM2731CLSFHQNZNRQ1

Overview

The AM2731CLSFHQNZNRQ1 is an automotive-grade microcontroller from the Texas Instruments AM273x family, housed in a 225-pin NZN nFBGA package. It features a single-core Arm Cortex-R5F MCU subsystem operating up to 400MHz and a C66x floating-point DSP core running at 550MHz. The device includes up to 2MB of on-chip RAM, supporting real-time processing and high-performance computing. Connectivity options include Ethernet (RGMII/RMII/MII), four SPI ports, three I2C interfaces, four UARTs, and two MCAN modules with CAN-FD support.

Feature Summary

• Dual-core Arm Cortex-R5F cluster supports dual-core or single-core operation for flexible real-time processing
• Integrated Hardware Security Module (HSM) enables secure authenticated boot and cryptographic acceleration
• Functional safety quality managed documentation aids ISO 26262 system design implementation
• Supports extended automotive grade temperature range for robust industrial and automotive applications

Applications

• Robotics
• Occupancy detection
• Automotive audio
• Machine vision
• Avionics

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm pin compatibility and feature set. Ensure the selected variant matches the required package type and temperature rating for your application. Cross-reference the part number with the latest revision history to account for any updates in documentation or specifications before finalizing procurement.

Selection Notes

Select this component when a single R5F core and reduced memory capacity are sufficient compared to the AM2732 variants. Consider the NZN package for designs requiring fewer pins while maintaining essential connectivity like Ethernet and CAN-FD. Evaluate the functional safety requirements to ensure the provided documentation meets the necessary ASIL targets for the target system.

Part Context

This microcontroller belongs to the Sitara AM273x family, designed for mixed-processor applications combining MCU and DSP capabilities. It serves as a scalable solution within the broader Sitara processor portfolio, offering integrated peripherals and security features tailored for demanding industrial and automotive environments requiring high reliability and performance.

Replacement Considerations

AM2731CASFHQNZNRQ1

FAQ

Does the AM2731 support dual-core operation?

No, the AM2731 variant contains a single-core Arm Cortex-R5F MCU subsystem, whereas the AM2732 variant supports a dual-core configuration.

What is the maximum operating temperature for this device?

The device supports an extended automotive grade temperature range, with a maximum junction temperature of 140°C.