Texas Instruments AM6254ATCGHIALWR

Overview

AM6254ATCGHIALWR from Texas Instruments is a quad-core Arm® Cortex®-A53 + single-core Cortex®-M4F application processor for Linux-based industrial and automotive systems, featuring dual 1080p@60Hz display support, 3D graphics (OpenGL ES 3.1/Vulkan 1.2), MIPI CSI-2 camera interface (4-lane DPHY), and 3x CAN-FD controllers up to 8Mbps - deployed in human-machine interfaces, driver monitoring systems, and telematics control units.

For engineers reviewing the AM6254ATCGHIALWR datasheet, AM6254ATCGHIALWR pinout, AM6254ATCGHIALWR application, or AM6254ATCGHIALWR equivalent, key selection criteria include dual-display timing compliance (OLDI + DPI), functional safety targeting ASIL B hardware integrity, DDR4/LPDDR4 inline ECC support, and PRUSS real-time I/O capability for deterministic GPIO/UART/I²C extension.

Technical Context

The AM6254ATCGHIALWR implements a heterogeneous multi-domain architecture: the MAIN domain hosts four Cortex-A53 cores with 512KB L2 cache (SECDED ECC) and a 3D GPU capable of >500Mpixels/sec fillrate; the MCU domain integrates a Cortex-M4F core at 400MHz with 256KB SRAM (SECDED ECC) for safety-critical isolation and real-time firmware execution.

Its peripheral subsystems include a dual-port Gigabit Ethernet switch with IEEE 1588 and TSN support, two USB 2.0 ports configurable as host/peripheral/DRD, and a programmable PRUSS subsystem (2× PRU cores @333MHz) with dedicated 16KB program memory (SECDED ECC) and CRC32/16 hardware acceleration - all coordinated via a centralized Device/Power Manager with DeepSleep, Standby, and MCU-only low-power modes.

Key Specifications

Pinout & Package

AM6254ATCGHIALWR uses a 425-ball FCCSP BGA package (ALW variant), 13mm × 13mm, 0.5mm pitch, with ball mapping defined in TI's SPRSP58C datasheet Section 5.1 (Figure 5-1). The package supports full I/O functionality including DDR4/LPDDR4, OSPI/QSPI, GPMC, dual display outputs (OLDI/DPI), MIPI CSI-2, USB 2.0, CAN-FD, and Ethernet PHY interfaces.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar application processor applications.

Compared with AM6252ATCGHIALWR, AM6254ATCGHIALWR delivers 2× CPU throughput and integrated 3D graphics for dual-display compositing, while matching its industrial temperature range and 425-ball ALW package - making it the only option for safety-certified, graphics-rich automotive HMIs requiring full-HD dual output.

Availability

AM6254ATCGHIALWR 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-compliant sourcing.

Supply support for AM6254ATCGHIALWR 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 designing analog ICs, embedded processors, and wireless connectivity solutions for industrial, automotive, and consumer markets.

The AM62x Sitara™ processor family targets Linux-based edge AI applications in human-machine interfaces and automotive domains, emphasizing dual-display graphics, functional safety, and real-time I/O via PRUSS - with AM6254ATCGHIALWR optimized for ASIL B-compliant automotive display and compute use cases.

FAQ

What is the maximum DDR4 data rate supported by AM6254ATCGHIALWR?

AM6254ATCGHIALWR supports DDR4 memory speeds up to 1600MT/s using its 16-bit DDR subsystem with inline ECC. This is specified in the DDRSS section of the SPRSP58C datasheet under "Operating Performance Points" and confirmed by timing parameters in Section 6.12. The interface is compatible with standard DDR4 SDRAM components meeting JEDEC JESD79-4 specifications.

Does AM6254ATCGHIALWR include hardware support for IEEE 1588 Precision Time Protocol?

Yes, AM6254ATCGHIALWR includes full hardware support for IEEE 1588 PTP across its integrated Ethernet switch, implementing Annex D (one-step), Annex E (two-step), and Annex F (802.1AS) profiles. Timestamping occurs at the MAC layer with sub-microsecond accuracy, and the device provides dedicated registers for clock synchronization and offset correction - critical for TSN-enabled automotive and industrial networks.

Can AM6254ATCGHIALWR boot from eMMC storage?

Yes, AM6254ATCGHIALWR supports boot from eMMC storage via its 8-bit eMMC interface compliant with eMMC 5.1 specification and HS200 speed mode. Boot configuration is controlled by SYSBOOT pins, and the ROM bootloader validates signature and integrity before loading the first-stage bootloader - part of the secure boot chain enforced by the hardware Root-of-Trust.

What is the role of the PRUSS subsystem in AM6254ATCGHIALWR?

The PRUSS subsystem in AM6254ATCGHIALWR consists of two programmable real-time units running at 333MHz, each with 16KB program memory and 8KB data memory (both SECDED ECC protected). It handles deterministic, low-latency tasks such as GPIO bit-banging, UART/I²C protocol emulation, and ADC sampling - offloading timing-critical functions from the Cortex-A53 and enabling cycle-accurate control without Linux scheduling jitter.

Is AM6254ATCGHIALWR qualified for automotive applications?

Yes, AM6254ATCGHIALWR is AEC-Q100 qualified and developed for functional safety applications targeting ASIL B hardware integrity per ISO 26262. It includes safety documentation, diagnostic coverage features, and systematic capability designed for ASIL D system integration - with TÜV SÜD certification planned. Its qualification covers temperature range, ESD robustness, and reliability testing required for automotive cockpit and ADAS domains.