AM2731CASFHQNZNRQ1

Overview

The AM2731CASFHQNZNRQ1 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 up to 550MHz. The device includes up to 2MB of on-chip RAM, supporting dual voltage digital I/O at 3.3V and 1.8V. It integrates interfaces including Ethernet (RGMII/RMII/MII), four SPI ports, three I2C ports, four UARTs, two MCAN modules with CAN-FD support, and a 9-channel GPADC.

Feature Summary

• Dual processor architecture combining real-time control capabilities with high-performance digital signal processing
• Integrated hardware security module enabling secure boot and cryptographic acceleration
• Functional safety quality management aligned with ISO 26262 standards for automotive applications
• Comprehensive peripheral set including industrial control interfaces and high-speed serial connectivity

Applications

• Robotics systems requiring precise motion control
• Occupancy detection sensors
• Automotive audio processing units
• Machine vision implementations
• Industrial transport control

Procurement Notes

Verify the specific ordering suffix against the official datasheet to confirm package type and temperature range. Ensure compatibility with recommended power management ICs such as the LP87745-Q1. Confirm that the selected variant meets the required functional safety integrity level for the target application before finalizing procurement.

Selection Notes

Select this component when a single-core MCU configuration is sufficient alongside a DSP core. Compare memory capacities against the AM2732 variants if higher on-chip storage is needed. Verify that the 225-pin package dimensions fit the mechanical constraints of the design. Ensure software drivers are available for the specific peripherals utilized in the system architecture.

Part Context

This part belongs to the Sitara AM273x microcontroller family designed for mixed-processor applications. It shares architectural similarities with the AM2732 but offers reduced memory and peripheral counts suitable for cost-sensitive or space-constrained designs. The Q1 suffix indicates automotive qualification under AEC-Q100 standards.

Replacement Considerations

AM2731CLSFHQNZNRQ1

FAQ

Does the AM2731CASFHQNZNRQ1 support dual-core operation?

No, this specific model contains a single-core Arm Cortex-R5F MCU subsystem, unlike the AM2732 which supports dual-core operation.

What is the maximum operating junction temperature for this device?

The device supports an extended automotive grade temperature range up to 140°C.