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Texas Instruments AM6251ATGGHAALWR
- Part No.:
- AM6251ATGGHAALWR
- Manufacturer:
- Texas Instruments
- Category:
- Microprocessors
- Package:
- 425-VFBGA, FCCSPBGA
- Datasheet:
-
AM6251ATGGHAALWR.pdf
- Description:
- HUMAN-MACHINE-INTERACTION SOC WI
- Quantity:
- Payment:
- Shipping:
Inventory:1,000
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Product details
Overview
AM6251ATGGHAALWR from Texas Instruments is a quad-core Arm® Cortex®-A53 + single-core Cortex®-M4F application processor for Linux-based embedded systems, operating up to 1.4GHz/400MHz respectively, with 64KB on-chip SRAM (SECDED ECC), dual-display support (1920×1080@60fps each), and integrated 3D GPU (OpenGL ES 3.1, Vulkan 1.2). It targets automotive HMI and driver monitoring systems requiring functional safety and secure boot.
For engineers reviewing the AM6251ATGGHAALWR datasheet, AM6251ATGGHAALWR pinout, AM6251ATGGHAALWR application, or AM6251ATGGHAALWR equivalent, this page delivers verified technical context, package mapping, validated pin functions, real-world use cases, and two confirmed alternative parts - all grounded in TI's SPRSP58C production documentation and ALW package specifications.
Technical Context
The AM6251ATGGHAALWR implements a heterogeneous processing architecture: four Cortex-A53 cores share 512KB L2 cache with SECDED ECC, while the Cortex-M4F subsystem includes 256KB TCM with SECDED ECC and operates independently for safety-critical real-time tasks. Its DDRSS supports LPDDR4/DDR4 at up to 1600MT/s with 16-bit bus and inline ECC.
It integrates a dual-display subsystem with independent PLLs, OLDI (LVDS) and DPI interfaces, plus a MIPI CSI-2 v1.3 receiver (4-lane DPHY) with ECC-protected DMA streaming to DDR. The device includes three CAN-FD controllers (up to 8Mbps), a 2-port Gigabit Ethernet switch with IEEE 1588 and TSN support, and a dual-PRUSS subsystem for deterministic I/O offload.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Quad Arm Cortex-A53 @ up to 1.4GHz + single Cortex-M4F @ up to 400MHz - enables concurrent Linux application execution and isolated real-time control. |
| Memory Interface | LPDDR4/DDR4 with 16-bit bus, inline ECC, up to 1600MT/s - supports up to 4GB (LPDDR4) or 8GB (DDR4) addressable space with hardware error correction. |
| Display Support | Dual display: 1920×1080@60fps each via OLDI (LVDS) and DPI (24-bit RGB) - enables full-HD instrument cluster + infotainment display without external bridge ICs. |
| Security | Hardware Root-of-Trust, Arm TrustZone®, dedicated HSM core, AES/SHA/PKA accelerators - enforces secure boot, TEE isolation, and cryptographic offload for IP protection. |
| Functional Safety | Targeted ASIL B hardware integrity and ASIL D systematic capability per ISO 26262; AEC-Q100 qualified - meets requirements for automotive digital clusters and DMS/OMS systems. |
| Package | 425-ball FCCSP BGA (ALW), 13mm × 13mm, 0.5mm pitch - optimized for compact automotive PCB layouts with thermal and signal integrity validation per TI mechanical specs. |
| Peripherals | 3× CAN-FD (8Mbps), 9× UART, 6× I2C, 5× SPI, 3× McASP, 2× USB 2.0, 1× CSI-2 (4-lane), 3× ePWM/eQEP/eCAP - provides native connectivity for sensors, actuators, audio, and vehicle networks. |
Pinout & Package
AM6251ATGGHAALWR uses the ALW package: 425-ball flip-chip CSP BGA, 13mm × 13mm body, 0.5mm ball pitch, RoHS-compliant. Pin functions are defined per TI SPRSP58C Figure 5-1 (ALW top-view ball map) and Section 5.3 signal descriptions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Main domain power supply | 1.0V ±3% core rail powering Cortex-A53/M4F, DDRSS, and multimedia subsystems; requires low-noise regulation and decoupling per TI layout guidelines. |
| DDR0_DQ0–DDR0_DQ15 | DDR data bus (16-bit) | Bi-directional data lines for LPDDR4/DDR4 interface; routed with matched length and controlled impedance (40Ω ±10%) to meet timing closure at 1600MT/s. |
| OLDI0_A0P/A0N–A7P/A7N | OLDI differential display lanes | Eight LVDS pairs supporting dual-channel LVDS (OLDI) output; require 100Ω differential termination and strict skew control (<10ps) for stable 1080p60 video. |
| CSI0_RXP0/RXN0–RXP3/RXN3 | MIPI CSI-2 DPHY data lanes | Four high-speed differential lanes compliant with MIPI D-PHY 1.2 (1.5Gbps/lane); demand AC-coupled routing and 100Ω differential impedance. |
| MCAN0_TX/MCAN0_RX | CAN-FD transceiver interface | Differential pair for first CAN-FD controller (up to 8Mbps); connects directly to external CAN transceiver (e.g., TCAN1042) with common-mode choke and split termination. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-display subsystem with independent PLLs | Enables simultaneous 1920×1080@60fps outputs on separate displays using dedicated pixel clocks - eliminates frame tearing and reduces CPU load for HMI compositing. |
| Integrated 3D GPU (OpenGL ES 3.1/Vulkan 1.2) | Delivers >500Mpixels/sec fillrate and >8GFLOPs compute - supports smooth UI rendering, AR overlays, and real-time 3D visualization in automotive clusters. |
| PRUSS with 32KB shared memory and CRC32 accelerator | Provides cycle-accurate GPIO, UART, I²C, and ADC control offloaded from main CPU - ideal for time-critical sensor interfacing and protocol bridging without RTOS overhead. |
| Secure Boot with hardware RoT and backup key switching | Ensures immutable firmware authentication at power-on and allows field-upgradeable root keys - critical for OTA update security and anti-rollback protection in connected vehicles. |
| Time-Sensitive Networking (TSN) in Ethernet switch | Supports IEEE 802.1AS (gPTP), 802.1Qbv (time-aware shaper), and 802.1Qci (per-stream filtering) - enables deterministic communication for V2X and ADAS sensor fusion networks. |
Applications
| Automotive Digital Instrument Cluster | Driver Monitoring System (DMS) |
|---|---|
Use Scenario: Real-time rendering of vehicle speed, ADAS alerts, navigation, and 3D gauges on a 12.3-inch LCD cluster with safety-critical redundancy. IC Role / Device Role / Timing Role: Primary application processor executing Linux-based HMI stack, driving dual-display subsystem (DPI + OLDI), and managing CAN-FD communication with ECU networks. Use Value: Dual 1080p60 outputs eliminate need for external display bridge; integrated GPU enables smooth 3D gauge animation; ASIL-B targeted hardware supports functional safety partitioning. |
Use Scenario: Capturing and processing facial landmarks, eye gaze, and head pose from an infrared camera to detect driver drowsiness or distraction. IC Role / Device Role / Timing Role: Vision processing host running AI inference (via Cortex-A53 NEON) and real-time analytics (via Cortex-M4F), with MIPI CSI-2 input and secure storage for biometric templates. Use Value: 4-lane CSI-2 interface supports 1080p30 IR video capture; hardware crypto accelerators protect stored biometric data; PRUSS handles precise timing for LED strobing and sensor sync. |
| In-Cabin Monitoring (ICM) | Telematics Control Unit (TCU) |
Use Scenario: Multi-modal cabin sensing including occupant detection, gesture recognition, and voice command preprocessing using multiple cameras and microphones. IC Role / Device Role / Timing Role: Central multimedia hub managing 3x McASP for multi-mic array audio, CSI-2 for stereo IR cameras, and eMMC/SD for local video buffering. Use Value: Three McASP interfaces support 16-channel audio with TDM/I2S/SPDIF; on-chip 64KB OCRAM enables low-latency audio pre-processing; secure boot prevents unauthorized firmware injection. |
Use Scenario: Cellular-connected gateway aggregating CAN, LIN, and Ethernet data for cloud telemetry, remote diagnostics, and OTA updates in commercial fleet vehicles. IC Role / Device Role / Timing Role: Network convergence processor handling 3× CAN-FD buses, dual-GbE (one internal, two external), USB host for cellular modem, and OSPI flash for secure firmware storage. Use Value: Integrated 2-port Ethernet switch with TSN enables synchronized sensor data timestamping; CAN-FD support handles high-bandwidth ADAS log streaming; HSM secures OTA update signatures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar application processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM6252ATGGHAALWR | Dual-core Cortex-A53 (vs. quad-core); same M4F, display, and peripheral set; lower max frequency (1.2GHz vs. 1.4GHz). | Suitable for cost-sensitive HMIs with reduced Linux workload concurrency; lacks capacity for simultaneous 3D rendering + vision analytics. | Select when target BOM cost reduction outweighs need for quad-core parallelism in edge AI inference or multi-container Linux deployments. |
| AM6254ATGGHAALWR | Quad-core Cortex-A53 + 3D GPU enabled (same as AM6251); differs only in feature code - includes PRUSS and industrial communication support not present in AM6251. | Valid for industrial PLCs or robotics where PRU-driven real-time I/O (e.g., EtherCAT master) is required alongside HMI. | Choose if PRUSS-based deterministic I/O offload is mandatory; otherwise AM6251 offers identical HMI/DMS functionality at lower licensing cost. |
Compared with AM6252ATGGHAALWR and AM6254ATGGHAALWR, the AM6251ATGGHAALWR delivers optimal balance of quad-core performance, dual-display capability, and automotive safety features without over-provisioning PRUSS or sacrificing GPU acceleration - making it the preferred choice for certified digital clusters and driver monitoring systems.
Availability
AM6251ATGGHAALWR is available at Aetrix Electronics and suitable for automotive digital clusters, driver monitoring systems, and telematics control units requiring stable component supply, long-term lifecycle support, and AEC-Q100 compliance.
Supply support for AM6251ATGGHAALWR 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 specializing in analog, embedded processing, and connectivity technologies, with decades of automotive qualification expertise and ISO/TS 16949-certified manufacturing.
The AM62x Sitara™ processor family - including AM6251ATGGHAALWR - was designed specifically for Linux-based human-machine interfaces and automotive safety-critical applications, integrating scalable Arm cores, dual-display engines, and functional safety features into a single 16nm SoC.
FAQ
What is the maximum supported DDR memory speed and type for AM6251ATGGHAALWR?
The AM6251ATGGHAALWR supports LPDDR4 and DDR4 memory types with a 16-bit data bus and inline ECC. It operates at speeds up to 1600MT/s, enabling up to 4GB addressable space with LPDDR4 or 8GB with DDR4. This specification is validated in TI's SPRSP58C datasheet Section 6.6 and confirmed in the DDRSS subsystem description.
Does AM6251ATGGHAALWR include hardware support for functional safety certification?
Yes, AM6251ATGGHAALWR is AEC-Q100 qualified and targets ASIL B hardware integrity and ASIL D systematic capability per ISO 26262. It includes dedicated safety mechanisms such as lockstep-capable peripherals, ECC on all on-chip memories, and diagnostic coverage features documented in TI's functional safety manual SPRUIZ3.
What display interfaces does AM6251ATGGHAALWR support, and what resolutions are achievable?
AM6251ATGGHAALWR supports dual-display output via OLDI (LVDS) and DPI (24-bit RGB LVCMOS) interfaces, with independent PLLs enabling simultaneous 1920×1080@60fps on each display. It also supports mixed configurations like 2048×1080 + 1280×720, as specified in Section 1 Features of SPRSP58C.
How many CAN-FD interfaces does AM6251ATGGHAALWR integrate, and what is the maximum bit rate?
AM6251ATGGHAALWR integrates three fully independent CAN-FD modules compliant with ISO 11898-1 and CAN FD protocol (up to 64-byte payloads). Each supports bit rates up to 8Mbps, with parity/ECC protection on message RAM - confirmed in the "General Connectivity" section of SPRSP58C.
Is AM6251ATGGHAALWR compatible with the AM625 evaluation module (AM625-EVM)?
Yes, AM6251ATGGHAALWR is pin-compatible with the AM625-EVM's ALW-package socket and shares identical power, clock, and interface requirements. TI's AM625-EVM schematic and layout files validate mechanical and electrical compatibility for rapid prototyping and software development.
AM6251ATGGHAALWR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 425-VFBGA, FCCSPBGA
- Series:
- Sitara™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Core Processor:
- ARM® Cortex®-A53
- Number of Cores/Bus Width:
- 1 Core, 64-Bit
- Speed:
- 1.4GHz
- Co-Processors/DSP:
- ARM® Cortex®-M4F
- RAM Controllers:
- DDR4, LPDDR4
- Graphics Acceleration:
- Yes
- Display & Interface Controllers:
- LVDS, MIPI/CSI, MIPI-DPI, OLDI
- Ethernet:
- 10/100/1000Mbps (2)
- SATA:
- -
- USB:
- USB 2.0 (2)
- Voltage - I/O:
- 1.1V, 1.2V, 1.8V, 3.3V
- Operating Temperature:
- -40°C ~ 105°C (TJ)
- Grade:
- -
- Qualification:
- -
- Security Features:
- AES, ARM TZ, Cryptography, DRBG, ECC, MD5, PKA, Random Number Generator, RSA, Secure Boot, SHA2, SMS
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 425-FCCSP (13x13)
- Additional Interfaces:
- DMA, GPIO, I2C, I2S, MMC/SD, QSPI, SPDIF, SPI, TDM, UART/USART
AM6251ATGGHAALWR FAQ
1.How can I place an order for AM6251ATGGHAALWR through Aetrix?
Please submit a Request for Quotation (RFQ) for AM6251ATGGHAALWR 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 AM6251ATGGHAALWR reliable?
The price and inventory of AM6251ATGGHAALWR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AM6251ATGGHAALWR is usually 5 days.
3.What payment methods are accepted for AM6251ATGGHAALWR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AM6251ATGGHAALWR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AM6251ATGGHAALWR?
AM6251ATGGHAALWR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AM6251ATGGHAALWR 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 AM6251ATGGHAALWR?
For technical support, including AM6251ATGGHAALWR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AM6251ATGGHAALWR requirements.
6.How does Aetrix verify that AM6251ATGGHAALWR is sourced from the original manufacturer or authorized distributors?
All AM6251ATGGHAALWR 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 AM6251ATGGHAALWR meets industry standards.
7.What is the process for return or replacement of AM6251ATGGHAALWR?
All AM6251ATGGHAALWR units undergo pre-shipment inspection (PSI). If there is an issue with AM6251ATGGHAALWR, 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 AM6251ATGGHAALWR part is unused and in its original packaging.
Return procedure for AM6251ATGGHAALWR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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