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Texas Instruments AM2731CASFHQNZNRQ1
- Part No.:
- AM2731CASFHQNZNRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Microprocessors
- Package:
- 255-LFBGA
- Datasheet:
-
AM2731CASFHQNZNRQ1.pdf
- Description:
- AUTOMOTIVE DUAL-CORE
- Quantity:
- Payment:
- Shipping:
Inventory:4,385
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Product details
Overview
AM2731CASFHQNZNRQ1 from Texas Instruments is an automotive-qualified Sitara™ microcontroller featuring a single-core Arm® Cortex®-R5F MCU (400MHz), a C66x DSP core (550MHz), 2MB on-chip RAM, dual MCAN with CAN-FD support, and 9-channel GPADC (625Ksps). It targets real-time control in automotive audio, robotics, and machine vision systems requiring functional safety and hardware security.
For engineers reviewing the AM2731CASFHQNZNRQ1 datasheet, AM2731CASFHQNZNRQ1 pinout, AM2731CASFHQNZNRQ1 application, or AM2731CASFHQNZNRQ1 equivalent, this page delivers verified package mapping (225-pin NZN nFBGA), confirmed dual-core DSP/MCU architecture, automotive AEC-Q100 qualification, and validated HSM-based secure boot implementation - all critical for ISO 26262-compliant design and production ramp.
Technical Context
The AM2731CASFHQNZNRQ1 implements a deterministic real-time subsystem centered on its single Cortex-R5F core with 32KB I-Cache/32KB D-Cache and SECDED ECC on all memories, paired with a dedicated C66x DSP core delivering 17.6 GMAC at 550MHz. Its memory subsystem allocates 960KB to the Main subsystem and 384KB to the DSP subsystem within a shared 2MB OCSRAM space.
It integrates industrial-grade peripherals including 3× ePWM, 1× eCAP, 4× SPI, 3× I²C, 4× UART, 3× McASP, and dual MCAN modules supporting CAN-FD - all accessible via configurable pin multiplexing under software control through dedicated pin control registers and MUXMODE settings.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Single Arm® Cortex®-R5F (400MHz) + single C66x DSP (550MHz, 17.6 GMAC) |
| On-Chip Memory | 2MB total OCSRAM: 960KB for Main subsystem, 384KB for DSP subsystem, shared L3 space |
| Security Features | Embedded HSM with secure authenticated/encrypted boot, RSA-4K/ECC-512 key support, AES-256 & PKA accelerators |
| Functional Safety | AEC-Q100 qualified; documentation available for ISO 26262 ASIL-B system design support |
| Analog Interface | 1× 9-channel GPADC supporting up to 625Ksps sampling rate with 1.8V I/O domain |
| Automotive Interfaces | Dual MCAN modules with full CAN-FD protocol support; 10/100Mbps Ethernet (RGMII/RMII/MII) |
| Package | 225-pin nFBGA (NZN), 13mm × 13mm, 0.80 mm pitch, extended automotive temp range (–40°C to +140°C) |
Pinout & Package
AM2731CASFHQNZNRQ1 uses the NZN 225-pin NanoFree™ ball grid array package (13mm × 13mm, 0.80 mm pitch), optimized for automotive thermal and mechanical reliability. Ball assignments follow TI's standardized pin multiplexing scheme with MUXMODE-controlled signal routing and configurable pull-up/down resistors per pin.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ADC1–ADC9 | Analog input channels | 9-channel GPADC inputs operating at 1.8V I/O domain; support 625Ksps sampling for sensor fusion |
| CLKP / CLKM | Differential clock input | Accepts 40/50MHz external crystal or clock source for system timing reference |
| CSI2_RX0CLKP/M, CSI2_RX1CLKP/M | MIPI D-PHY clock lanes | Supports two independent 4-lane MIPI CSI-2.0 receivers (only in ZCE package; not present on NZN variant) |
| LVDS_CLKP/M, LVDS_FRCLKP/M | Differential LVDS clock outputs | Provide frame and bit clock signals for 4-lane LVDS debug interface (ZCE only; NZN lacks LVDS pins) |
| MSS_MCANA_TX/RX, MSS_MCANB_TX/RX | CAN-FD transceiver interfaces | Dual isolated CAN-FD ports with integrated protocol handling and error detection for automotive networking |
| MSS_RGMII_RD[0:3], TD[0:3] | Ethernet PHY interface | RGMII-compliant 10/100Mbps interface enabling time-sensitive networking in ADAS domains |
| MSS_EPWMA0, EPWMA1, EPWMB0 | PWM output terminals | Three enhanced PWM outputs with trip-zone protection for motor control and power regulation |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Security Module (HSM) | Enables secure boot with customer-programmable root keys and crypto acceleration (AES-256, ECC, PKA) for OTA update integrity |
| Functional Safety Support | Provides documentation and architectural features aligned with ISO 26262 ASIL-B requirements for automotive ECU development |
| Dual-Voltage I/O | Supports simultaneous 1.8V and 3.3V logic levels across GPIO banks, simplifying interface to mixed-voltage sensors and peripherals |
| Memory ECC Protection | SECDED ECC applied to all on-chip memories (cache, TCM, OCSRAM), reducing latent fault risk in safety-critical operation |
| Power Management Integration | Designed for use with LP87745-Q1 PMIC to simplify power sequencing and reduce supply rail count in automotive applications |
Applications
| Automotive Audio Processing | Robotics Motor Control |
|---|---|
Use Scenario: Real-time audio beamforming and echo cancellation in multi-microphone car infotainment systems. IC Role / Device Role / Timing Role: Dual-core execution: Cortex-R5F handles OS and communication stack; C66x DSP performs low-latency FFT and FIR filtering. Use Value: Achieves sub-50μs audio processing latency with deterministic timing, enabled by cache-coherent memory and dedicated EDMA channels. | Use Scenario: Closed-loop servo control of robotic joint actuators using position feedback and current sensing. IC Role / Device Role / Timing Role: MCU core manages trajectory planning and safety monitoring; ePWM/eCAP peripherals generate precise gate drive signals and capture encoder edges. Use Value: 3× ePWM modules with dead-time insertion and trip-zone protection ensure safe, glitch-free motor switching in SIL-2 compliant systems. |
| Machine Vision Preprocessing | Industrial Transport Telematics |
Use Scenario: On-camera preprocessing of camera feeds before transmission to central ADAS ECU via Ethernet. IC Role / Device Role / Timing Role: C66x DSP executes image enhancement algorithms (noise reduction, histogram equalization); R5F manages RGMII packetization and timestamping. Use Value: Offloads compute-intensive vision tasks from host processor, reducing bandwidth demand on vehicle Ethernet backbone. | Use Scenario: Gateway controller aggregating CAN-FD data from engine, braking, and chassis ECUs for cloud telemetry upload. IC Role / Device Role / Timing Role: Dual MCAN modules handle concurrent high-speed vehicle bus traffic; R5F runs Linux-based middleware and TLS-secured cellular stack. Use Value: Enables deterministic message scheduling and secure firmware updates over-the-air using HSM-protected key storage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar real-time microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM2732ADRFGAZCER | 285-pin ZCE package; includes MIPI CSI-2 and LVDS debug interfaces; 3.5625MB OCSRAM | Required for camera input (MIPI CSI-2) or high-speed debug trace (LVDS); higher pin count and larger footprint | Select when vision acquisition or advanced debug capability is needed; not drop-in compatible due to package and peripheral differences |
| AM2731CLSFHQNZNRQ1 | Same NZN package and pinout; differs in temperature grade (industrial –40°C to +105°C vs automotive –40°C to +140°C) | Suitable for non-automotive industrial automation where extended temperature is not required | Drop-in replacement for industrial use cases; identical electrical and functional behavior except junction temperature rating |
Compared with AM2732ADRFGAZCER, AM2731CASFHQNZNRQ1 trades MIPI/LVDS capability and extra memory for smaller footprint and automotive qualification; versus AM2731CLSFHQNZNRQ1, it adds AEC-Q100 compliance and extended temperature support without changing layout or firmware.
Availability
AM2731CASFHQNZNRQ1 is available at Aetrix Electronics and suitable for automotive audio systems, robotics motion controllers, and machine vision edge nodes requiring stable component supply across long production lifecycles.
Supply support for AM2731CASFHQNZNRQ1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions with deep automotive and industrial expertise.
The AM273x product line targets safety-critical real-time applications in automotive and industrial markets, integrating Arm R5F and C66x DSP cores with hardware security, functional safety features, and automotive-qualified packaging.
FAQ
What is the maximum operating frequency of the Cortex-R5F core in AM2731CASFHQNZNRQ1?
The Cortex-R5F core in AM2731CASFHQNZNRQ1 operates up to 400MHz. This frequency is guaranteed across the extended automotive temperature range (–40°C to +140°C) and supports deterministic real-time execution with cache and TCM configurations optimized for low-latency response. The AM2731CASFHQNZNRQ1 datasheet specifies this performance point under recommended operating conditions with proper power and thermal management.
Does AM2731CASFHQNZNRQ1 support CAN-FD, and how many interfaces are available?
Yes, AM2731CASFHQNZNRQ1 integrates two Modular Controller Area Network (MCAN) modules with full CAN-FD support, enabling data rates up to 5 Mbps and payloads up to 64 bytes. Both MCAN interfaces are accessible on dedicated pins in the NZN package and support ISO 11898-1:2015 compliance, loopback mode, and error confinement - essential for automotive gateway and domain controller applications.
What package type and pin count does AM2731CASFHQNZNRQ1 use?
AM2731CASFHQNZNRQ1 uses the 225-pin NZN nFBGA package (13mm × 13mm, 0.80 mm pitch), specified in TI's official documentation and orderable part number suffix. This package supports the full peripheral set of the AM2731 variant while meeting AEC-Q100 Grade 1 requirements for automotive under-hood deployment.
Is AM2731CASFHQNZNRQ1 qualified for automotive applications?
Yes, AM2731CASFHQNZNRQ1 is AEC-Q100 qualified for automotive use and supports extended temperature operation from –40°C to +140°C. It includes functional safety documentation to aid ISO 26262 system-level design and implements hardware features such as memory ECC, lockstep-capable peripherals, and diagnostic firmware support - all verified per automotive quality standards.
What security features are implemented in AM2731CASFHQNZNRQ1?
AM2731CASFHQNZNRQ1 includes a programmable Hardware Security Module (HSM) supporting secure authenticated and encrypted boot, customer-programmable root keys, symmetric (AES-256) and asymmetric (RSA-4K/ECC-512) cryptography, and hardware accelerators for PKA, TRNG/DRBG. These features are fully integrated and active in the AM2731CASFHQNZNRQ1 silicon, enabling secure OTA updates and tamper-resistant key storage.
AM2731CASFHQNZNRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 255-LFBGA
- Series:
- Sitara™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Core Processor:
- ARM® Cortex®-R5F
- Number of Cores/Bus Width:
- 2 Core, 32-Bit
- Speed:
- 400MHz
- Co-Processors/DSP:
- C66x
- RAM Controllers:
- -
- Graphics Acceleration:
- No
- Display & Interface Controllers:
- -
- Ethernet:
- 10/100Mbps (1)
- SATA:
- -
- USB:
- -
- Voltage - I/O:
- 1.8V, 3.3V
- Operating Temperature:
- -40°C ~ 140°C (TJ)
- Grade:
- -
- Qualification:
- -
- Security Features:
- AES, DRBG TRNG, PKA
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 255-NFBGA (13x13)
- Additional Interfaces:
- CANbus, EMIF, I2C, QSPI, SPI, UART/USART
AM2731CASFHQNZNRQ1 FAQ
1.How can I place an order for AM2731CASFHQNZNRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for AM2731CASFHQNZNRQ1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AM2731CASFHQNZNRQ1 reliable?
The price and inventory of AM2731CASFHQNZNRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AM2731CASFHQNZNRQ1 is usually 5 days.
3.What payment methods are accepted for AM2731CASFHQNZNRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AM2731CASFHQNZNRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AM2731CASFHQNZNRQ1?
AM2731CASFHQNZNRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AM2731CASFHQNZNRQ1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AM2731CASFHQNZNRQ1?
For technical support, including AM2731CASFHQNZNRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AM2731CASFHQNZNRQ1 requirements.
6.How does Aetrix verify that AM2731CASFHQNZNRQ1 is sourced from the original manufacturer or authorized distributors?
All AM2731CASFHQNZNRQ1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AM2731CASFHQNZNRQ1 meets industry standards.
7.What is the process for return or replacement of AM2731CASFHQNZNRQ1?
All AM2731CASFHQNZNRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with AM2731CASFHQNZNRQ1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AM2731CASFHQNZNRQ1 part is unused and in its original packaging.
Return procedure for AM2731CASFHQNZNRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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