AM2731CLSFHQNZNRQ1

The AM2731CLSFHQNZNRQ1 from Texas Instruments is a Sitara AM2731 family microprocessor featuring a dual‑core ARM® Cortex®‑R5F MCU subsystem running up to 400 MHz. Designed for automotive and industrial embedded systems, it combines real‑time MCU cores, a C66x DSP core, on‑chip memory, and rich peripheral connectivity to support control, communication, and safety‑oriented tasks.

With AEC‑Q100 qualification, extended temperature range, and integrated security and functional safety features, this device targets demanding applications that require deterministic processing, secure boot and cryptography, and robust connectivity in compact 13 mm × 13 mm nFBGA packaging.

Key Features

• Processing Core  Dual ARM® Cortex®‑R5F MCU subsystem operating up to 400 MHz, supporting both dual‑core and single‑core modes for flexible real‑time processing.
• Co‑processor DSP  Integrated C66x DSP core (single core, 32‑bit floating point) for high‑performance signal processing workloads.
• On‑chip Memory  Up to 5.0 MB of on‑chip RAM (OCSRAM) with shared L3 memory and dedicated main and DSP regions to streamline data exchange between subsystems.
• Cache and ECC  32 KB I‑Cache and 32 KB D‑Cache per R5F core with SECDED ECC on memories to enhance reliability for safety‑critical code and data.
• External Memory Interface  QSPI interface supporting external memory expansion for code and data storage.
• Security  Embedded Hardware Security Module (HSM), secure authenticated/encrypted boot, customer‑programmable keys (symmetric 256‑bit, asymmetric up to RSA‑4K/ECC‑512), and crypto accelerators including AES and PKA, plus TRNG/DRBG.
• Connectivity  10/100 Mbps Ethernet (RGMII/RMII/MII), CAN (MCAN) with CAN‑FD support, multiple SPI, I2C, UART ports, and high‑speed camera and display interfaces (MIPI D‑PHY CSI 2.0 input, Aurora/LVDS output).
• Analog and Audio  9‑channel GPADC (up to 625 ksps) and multichannel audio interfaces (McASP) with Audio Tracking Logic.
• Control and Timing  Multiple real‑time peripherals including EDMA channels, RTI modules, ePWM, eCAP and hardware mailbox IPC for multiprocessor coordination.
• Functional Safety & Automotive Grade  AEC‑Q100 qualified with functional safety quality management and documentation to support ISO 26262 system design.
• Package & Temperature  255‑pin nFBGA (13 mm × 13 mm) package and operating temperature range of −40 °C to 140 °C suitable for extended and automotive environments.
• Manufacturing & Compliance  RoHS compliant.

Typical Applications

• Robotics and Machine Control  Real‑time dual‑core MCU plus DSP acceleration enables deterministic motor control, sensor fusion, and closed‑loop systems.
• Automotive Systems  AEC‑Q100 qualification, extended temperature range and integrated security make it suitable for automotive audio, gateway, and safety‑relevant control modules.
• Industrial Automation  EtherNet, CAN‑FD, and extensive I/O support factory automation, safety guards, and motion control applications.
• Imaging and Vision  MIPI CSI inputs and DSP acceleration support machine vision, traffic monitoring, and camera‑based inspection systems.

Unique Advantages

• Real‑time dual‑core MCU plus DSP: Combines deterministic R5F cores with a high‑performance C66x DSP to consolidate control and signal processing on a single device.
• Integrated security stack: Hardware security module, secure boot, key management and crypto accelerators reduce external security components and simplify secure system design.
• On‑chip memory and cache with ECC: Large on‑chip RAM and ECC‑protected caches improve data locality and reliability for latency‑sensitive applications.
• Automotive‑grade qualification: AEC‑Q100 qualification and wide temperature operation support deployment in harsh automotive and industrial environments.
• Flexible connectivity: Rich interfaces including Ethernet, CAN‑FD, high‑speed camera inputs and multiple serial buses enable diverse system architectures without additional bridging silicon.
• Compact package: 13 mm × 13 mm nFBGA packaging provides a high‑integration solution for space‑constrained boards.

Why Choose AM2731CLSFHQNZNRQ1?

The AM2731CLSFHQNZNRQ1 positions itself as a tightly integrated, automotive‑grade processing platform that brings together deterministic dual‑core MCU performance, dedicated DSP acceleration, comprehensive on‑chip memory, and a broad set of peripherals. Its combination of secure boot, hardware cryptography, ECC‑protected memories, and AEC‑Q100 qualification addresses reliability and safety requirements for automotive and industrial designs.

This device is suited for engineers building systems that require real‑time control, secure operation, and multi‑domain processing—such as advanced vehicle subsystems, robotics controllers, industrial automation nodes, and machine vision platforms—where integration, operational temperature range, and long‑term maintainability are key considerations.

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