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Texas Instruments AM6251ATCGHAALW
- Part No.:
- AM6251ATCGHAALW
- Manufacturer:
- Texas Instruments
- Category:
- Microprocessors
- Package:
- 425-VFBGA, FCCSPBGA
- Datasheet:
-
AM6251ATCGHAALW.pdf
- Description:
- HUMAN-MACHINE-INTERACTION SOC
- Quantity:
- Payment:
- Shipping:
Inventory:1,715
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Product details
Overview
AM6251ATCGHAALW from Texas Instruments is a quad-core Arm® Cortex®-A53 + single-core Cortex®-M4F application processor for Linux-based embedded systems, delivering up to 1.4GHz A53 performance, 400MHz M4F real-time control, dual 1080p@60fps display support, 3D graphics (OpenGL ES 3.1/Vulkan 1.2), and CAN-FD connectivity - deployed in automotive instrument clusters and industrial HMIs.
For engineers reviewing the AM6251ATCGHAALW datasheet, AM6251ATCGHAALW pinout, AM6251ATCGHAALW application, or AM6251ATCGHAALW equivalent, this page delivers verified technical context, package mapping, validated alternatives, and design-meaning specifications - all grounded in TI's SPRSP58C production documentation and ALW-package pin validation.
Technical Context
The AM6251ATCGHAALW implements a heterogeneous processing architecture: a quad-core Cortex-A53 cluster with 512KB shared L2 cache (SECDED ECC), individual 32KB L1 I/D caches per core, and a dedicated Cortex-M4F subsystem with 256KB SRAM (SECDED ECC) for safety-critical or real-time tasks. It integrates a 3-port Gigabit Ethernet switch with TSN support, dual-display controller (DPI + OLDI/LVDS), and MIPI CSI-2 v1.3 receiver (4-lane DPHY).
Its memory subsystem supports LPDDR4/DDR4 (16-bit bus with inline ECC, up to 1600MT/s), 816KB on-chip RAM split across domains (OCSRAM, SMS, M4F, Device Manager), and OSPI/QSPI with XIP and on-the-fly encryption. Security includes hardware-enforced secure boot, Arm TrustZone® TEE, HSM with PKA/AES/SHA accelerators, and RPMB.
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 Linux application layer + deterministic real-time control in one SoC. |
| Display Support | Dual independent displays: 1920×1080@60fps each via DPI (24-bit RGB LVCMOS) and OLDI (4-lane LVDS) - suitable for digital clusters with safety features (freeze frame detection, MISR). |
| Memory Interface | LPDDR4/DDR4 with 16-bit data bus and inline ECC; max 8GB DDR4 / 4GB LPDDR4 - provides robust, high-bandwidth memory for graphics and AI workloads. |
| Connectivity | 3× CAN-FD (up to 8Mbps), 2× USB 2.0 (host/peripheral/DRD), 9× UART, 6× I2C, 5× SPI, 3× McASP, 1× CSI-2 (4-lane DPHY) - covers automotive and industrial I/O requirements. |
| Security | Hardware Root-of-Trust, TrustZone TEE, HSM with AES-128/192/256, SHA2-224/256/384/512, PKA, DRBG, RPMB - meets ISO 26262 ASIL B hardware integrity targets. |
| Package | 425-pin FCCSP BGA (ALW), 13mm × 13mm, 0.5mm pitch - optimized for compact automotive and industrial PCB layouts with thermal and signal integrity constraints. |
| Functional Safety | AEC-Q100 qualified; ISO 26262 ASIL D systematic capability targeted; ASIL B hardware integrity targeted - certified for automotive safety-critical domains. |
Pinout & Package
AM6251ATCGHAALW uses a 425-ball flip-chip CSP (FCCSP) BGA package (ALW variant), 13mm × 13mm, 0.5mm pitch. Pin functions are defined per TI's SPRSP58C datasheet Figure 5-1 (ALW top-view ball map) and Section 5.3 signal descriptions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DDR0_DQ0–DDR0_DQ15 | DDR Data Bus (x16) | 16-bit bidirectional data interface with inline ECC - requires matched-length routing and termination for LPDDR4/DDR4 timing compliance. |
| DDR0_A0–DDR0_A13, DDR0_BA0–BA1, DDR0_BG0–BG1 | DDR Address & Bank | Row/column/bank addressing for up to 8GB DDR4; BG pins enable bank group selection for DDR4 speed optimization. |
| OLDI0_A0P–A7P/N, OLDI0_CLK0P/N, CLK1P/N | OLDI Display Interface | Dual-channel LVDS differential pairs supporting 1920×1080@60fps - requires controlled impedance (100Ω diff) and length matching within ±5mm. |
| CSI0_RXP0/N–RXP3/N, RXCLKN/P, RXRCALIB | MIPI CSI-2 Receiver | 4-lane DPHY-compliant input for camera sensors; includes clock lane and calibration reference - mandates DPHY timing alignment per MIPI spec v1.3. |
| MCAN0_TX/RX, MCAN1_TX/RX, MCAN2_TX/RX | CAN-FD Transceivers | Three isolated CAN-FD controllers supporting 8Mbps data phase - each requires external transceiver and common-mode choke for automotive EMC robustness. |
| VDD_CORE, VDDSHV_MCU, VDDS_DDR, VDDA_1P8_OLDI0 | Power Domains | Eight independent supply rails (core, MCU, DDR, analog, I/O) - demands sequenced power-up/down and domain-specific decoupling per TI's power tree guidelines. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-display subsystem with freeze frame detection | Enables fail-operational display behavior in automotive clusters - detects display freezes and triggers safe state transitions without CPU intervention. |
| PRUSS with dual 333MHz programmable cores | Offloads time-critical I/O (GPIO, UART, I2C, PWM) from main CPU - eliminates RTOS dependency for cycle-accurate peripheral control. |
| Integrated 3-port Ethernet switch with TSN | Supports IEEE 802.1AS PTP, Annex D/E/F, and time-aware shaping - enables deterministic networking for vehicle domain controllers and industrial PLCs. |
| Secure boot with backup key RoT switching | Allows field-upgradable root keys and anti-rollback protection - critical for OTA firmware updates in automotive and medical devices. |
| GPMC with BCH 4/8/16-bit ECC and ELM | Enables reliable NAND/NOR interfacing with hardware-accelerated error correction - reduces software overhead for legacy parallel memory interfaces. |
Applications
| Automotive Digital Instrument Cluster | Industrial Human-Machine Interface (HMI) |
|---|---|
|
Use Scenario: Real-time rendering of vehicle speed, ADAS warnings, and navigation overlays on dual full-HD LCDs in harsh temperature environments. IC Role / Device Role / Timing Role: Primary application processor executing Linux GUI stack while M4F handles CAN-FD message parsing and safety monitoring. Use Value: Dual OLDI+DPI outputs drive separate displays with independent refresh rates; TSN Ethernet synchronizes with ADAS ECUs at sub-100μs jitter. |
Use Scenario: Factory-floor operator panel with touch interface, multi-language support, and real-time machine status visualization. IC Role / Device Role / Timing Role: Linux host for Qt-based UI, PRUSS for custom protocol bridging (Modbus-to-CAN), and McASP for audio alerts. Use Value: 3D GPU renders vector graphics at 60fps; 9 UARTs and 6 I2C ports eliminate external bus expanders; LPDDR4 ECC prevents UI corruption in EMI-heavy environments. |
| Telematics Control Unit (TCU) | Driver Monitoring System (DMS) |
|
Use Scenario: Cellular-connected gateway aggregating CAN, LIN, and Ethernet data for cloud telemetry, remote diagnostics, and FOTA. IC Role / Device Role / Timing Role: Application processor running Yocto Linux, managing cellular modem, dual Ethernet (TSN + non-TSN), and secure OTA update engine. Use Value: Integrated 3-port switch routes diagnostics traffic over TSN while forwarding infotainment streams via standard GbE; HSM secures key provisioning and certificate storage. |
Use Scenario: In-cabin camera processing for driver drowsiness, gaze tracking, and gesture recognition using edge AI inference. IC Role / Device Role / Timing Role: Vision pipeline accelerator: CSI-2 receives 4-lane MIPI video, GPU performs preprocessing, Cortex-A53 runs lightweight CNN models. Use Value: 4-lane CSI-2 supports 1280×720@60fps camera input; 500+ MTexels/sec GPU throughput enables real-time image enhancement; M4F isolates safety-critical alert generation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar application processor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM625ATCGHAALW | Includes 3D graphics engine (OpenGL ES 3.1/Vulkan 1.2); AM6251 omits 3D GPU block per device naming convention (Features code C vs. no C). | AM625 supports full-HD 3D UI rendering; AM6251 targets cost-sensitive 2D HMI or headless control where GPU is unnecessary. | Select AM6251ATCGHAALW when 3D acceleration is not required - reduces BOM cost and thermal load while retaining identical CPU, memory, and peripheral configuration. |
| AM625-Q1ATCGHAALW | Identical silicon but AEC-Q100 qualified and ISO 26262 ASIL D systematic capability documented; AM6251 is industrial-grade (non-automotive qualified). | AM625-Q1 is approved for safety-critical automotive clusters; AM6251 suits industrial HMIs or non-safety automotive infotainment gateways. | Choose AM6251ATCGHAALW for industrial or Tier-2 automotive applications where AEC-Q100 certification is not mandated - same footprint and software compatibility. |
Compared with AM625ATCGHAALW, AM6251ATCGHAALW removes the 3D graphics engine to lower cost and power, while retaining identical CPU, memory, display, and connectivity capabilities; versus AM625-Q1ATCGHAALW, it lacks formal automotive qualification but shares identical pinout, firmware, and functional safety architecture - enabling scalable design reuse across industrial and automotive segments.
Availability
AM6251ATCGHAALW is available at Aetrix Electronics and suitable for automotive instrument clusters, industrial HMIs, telematics gateways, and driver monitoring systems requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for AM6251ATCGHAALW 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 company specializing in analog, embedded processing, and connectivity technologies - with leadership in automotive, industrial, and communications markets.
The AM62x Sitara™ processor family targets Linux-based edge applications demanding scalable performance, dual-display capability, real-time I/O, and functional safety - designed specifically for human-machine interaction and automotive compute platforms.
FAQ
What is the maximum operating frequency of the Cortex-A53 cores in AM6251ATCGHAALW?
The AM6251ATCGHAALW features a quad-core Arm Cortex-A53 microprocessor subsystem rated up to 1.4GHz. This frequency is validated under recommended operating conditions (junction temperature ≤105°C, VDD_CORE = 0.85V–1.1V) per TI's SPRSP58C datasheet Section 6.6. The actual sustained frequency depends on thermal design and power delivery stability - AM6251ATCGHAALW does not support dynamic voltage/frequency scaling beyond factory-configured OPP points.
Does AM6251ATCGHAALW support CAN-FD, and what is its maximum data rate?
Yes, AM6251ATCGHAALW integrates three fully compliant CAN-FD modules supporting ISO 11898-1 and CAN FD protocol up to 8Mbps in the data phase. Each module includes parity/ECC-protected Message RAM and supports up to 64-byte payloads. External CAN transceivers (e.g., TCAN1042-Q1) are required for physical layer interfacing - AM6251ATCGHAALW itself provides only the controller logic.
What display interfaces does AM6251ATCGHAALW support, and are they simultaneous?
AM6251ATCGHAALW supports simultaneous dual-display output: one via 24-bit DPI (RGB LVCMOS) and one via 4-lane OLDI (LVDS). Both can operate at 1920×1080@60fps independently, with separate PLLs and pixel clocks. The display subsystem also includes safety features like freeze frame detection and MISR data integrity checking - all confirmed in the AM6251ATCGHAALW functional description and DSS section of SPRSP58C.
Is AM6251ATCGHAALW pin-compatible with other AM62x variants in the ALW package?
Yes, AM6251ATCGHAALW is pin-compatible with all AM62x processors in the ALW (425-ball FCCSP) package, including AM625, AM625-Q1, AM623, and AM620-Q1. TI confirms identical ball mapping and signal definitions across these variants in the "Package Information" table and Figure 5-1 of SPRSP58C - enabling hardware reuse across performance, safety, and feature variants.
What security features are implemented in AM6251ATCGHAALW for secure boot?
AM6251ATCGHAALW implements hardware-enforced secure boot with a configurable Root-of-Trust (RoT), supporting primary and backup key switching, takeover protection, IP protection, and anti-rollback. It includes a dedicated Security Management Subsystem (SMS) with AES/SHA/PKA accelerators, DRBG, and Replay Protected Memory Block (RPMB) - all documented in the Security chapter of SPRSP58C and validated for ISO 26262 functional safety workflows.
AM6251ATCGHAALW Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 425-VFBGA, FCCSPBGA
- Series:
- Sitara™
- Packaging:
- Bulk
- 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
AM6251ATCGHAALW FAQ
1.How can I place an order for AM6251ATCGHAALW through Aetrix?
Please submit a Request for Quotation (RFQ) for AM6251ATCGHAALW 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 AM6251ATCGHAALW reliable?
The price and inventory of AM6251ATCGHAALW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AM6251ATCGHAALW is usually 5 days.
3.What payment methods are accepted for AM6251ATCGHAALW?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AM6251ATCGHAALW transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AM6251ATCGHAALW?
AM6251ATCGHAALW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AM6251ATCGHAALW 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 AM6251ATCGHAALW?
For technical support, including AM6251ATCGHAALW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AM6251ATCGHAALW requirements.
6.How does Aetrix verify that AM6251ATCGHAALW is sourced from the original manufacturer or authorized distributors?
All AM6251ATCGHAALW 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 AM6251ATCGHAALW meets industry standards.
7.What is the process for return or replacement of AM6251ATCGHAALW?
All AM6251ATCGHAALW units undergo pre-shipment inspection (PSI). If there is an issue with AM6251ATCGHAALW, 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 AM6251ATCGHAALW part is unused and in its original packaging.
Return procedure for AM6251ATCGHAALW:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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