Texas Instruments AM6852ATGGHAALZR

Overview

AM6852ATGGHAALZR from Texas Instruments is a high-performance Jacinto™ 7 automotive- and industrial-grade SoC featuring dual 64-bit Arm® Cortex®-A72 cores up to 2GHz, an 8-TOPS Deep Learning Accelerator (MMA), dual Arm® Cortex®-R5F MCU subsystems for device management and real-time control, integrated VPAC with 480-MPixel/s ISP, and support for 4K60 H.264/H.265 encode/decode - deployed in machine vision cameras, autonomous mobile robots, and smart retail systems.

For engineers reviewing the AM6852ATGGHAALZR datasheet, AM6852ATGGHAALZR pinout, AM6852ATGGHAALZR application, or AM6852ATGGHAALZR equivalent, key selection considerations include its 770-pin FCBGA (ALZ) package, dual-domain R5F isolation, LPDDR4-4266 support with inline ECC, PCIe Gen3 x4, dual CSI-2 RX/TX interfaces, and functional safety-ready architecture targeting SIL-2 and ASIL-D system integration.

Technical Context

The AM6852ATGGHAALZR implements a heterogeneous compute architecture with physically isolated MAIN and MCU domains: the MAIN domain hosts dual Cortex-A72 cores with 1MB shared L2 cache, C7x DSP + MMA accelerator, IMG BXS-4-64 GPU, VPAC/ISP, and multimedia subsystems; the MCU domain contains two independent dual-core Cortex-R5F clusters - one for device management (with 64KB TCM and SECDED ECC), the other reserved for TI firmware execution.

Its memory subsystem integrates 4MB on-chip L3 RAM with ECC and coherency, two 32-bit LPDDR4 interfaces supporting up to 4266MT/s with inline ECC (17GB/s per EMIF), 512KB on-chip SRAM in MAIN domain, and 1MB SRAM in MCU domain - all protected by hardware-enforced memory firewalls and ECC across caches, TCMs, and RAMs.

Key Specifications

Pinout & Package

AM6852ATGGHAALZR uses a 23mm × 23mm, 0.8-mm pitch, 770-ball FCBGA package (ALZ). The package supports full signal integrity for high-speed interfaces including DDR4/LPDDR4, PCIe Gen3, MIPI D-PHY, and eDP/DSI, with dedicated power/ground ball arrays and thermal vias for industrial ambient operation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance vision processor applications.

Compared with TDA4VM and AM69A, AM6852ATGGHAALZR uniquely balances 8-TOPS AI, full VPAC/ISP, dual CSI-2 RX/TX, and dual-domain R5F isolation - making it optimal for cost-sensitive, high-throughput vision systems where ASIL-D is not required but SIL-2 readiness is essential.

Availability

AM6852ATGGHAALZR is available at Aetrix Electronics and suitable for machine vision cameras, autonomous mobile robots, and industrial HMIs requiring stable component supply, long-term industrial temperature support (−40°C to 125°C), and functional safety infrastructure.

Supply support for AM6852ATGGHAALZR 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 headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and communications markets since 1930.

AM6852ATGGHAALZR belongs to TI's Jacinto™ 7 scalable processor family, designed specifically for Smart Vision Camera and General Compute applications - emphasizing high-efficiency AI inference, real-time vision processing, and industrial-grade reliability in factory and retail automation.

FAQ

What is the maximum operating junction temperature for AM6852ATGGHAALZR?

The AM6852ATGGHAALZR is rated for operation up to 125°C junction temperature, with its 8-TOPS Deep Learning Accelerator (MMA) fully functional at this limit. Thermal design must maintain case temperature ≤ 105°C under worst-case ambient and power dissipation conditions, using the provided thermal resistance values (θ_JA = 12.5°C/W typical) and appropriate heatsinking or airflow per TI's AM68 Thermal Design Guide. The device includes on-die temperature sensors and dynamic thermal management logic that throttles performance if thresholds are exceeded.

Does AM6852ATGGHAALZR support PCIe Gen3 x4 in endpoint mode?

Yes, AM6852ATGGHAALZR supports PCIe Gen3 x4 in both root complex and endpoint configurations, with auto-negotiation across Gen1/Gen2/Gen3 speeds. In endpoint mode, it exposes standard configuration space, MSI/MSI-X interrupt support, and DMA engines accessible via the NAVSS subsystem. However, endpoint use requires careful validation of link training, LTSSM behavior, and register-level compliance with PCIe Base Spec 3.1 - TI provides Linux kernel drivers and U-Boot PCIe initialization sequences for both modes in the Processor SDK AM68.

How many MIPI CSI-2 lanes does AM6852ATGGHAALZR support simultaneously?

AM6852ATGGHAALZR supports four MIPI CSI-2 data lanes per interface, with two independent CSI-2 RX ports (CSI0_RX, CSI1_RX) and two independent CSI-2 TX ports (CSI0_TX, CSI1_TX), enabling concurrent reception from two 4-lane image sensors and transmission to two external processors or displays. Each lane operates up to 2.5Gbps with D-PHY v1.2 compliance, CRC error detection, and ECC protection on internal CSI RAM - verified in the AM68 TRM Section 13.3.3 and supported in the Processor SDK AM68 camera driver stack.

Is AM6852ATGGHAALZR pin-compatible with other AM68x variants like AM68A9 or AM685?

No, AM6852ATGGHAALZR is not pin-compatible with AM68A9 or AM685. While all AM68x devices use the same 770-ball ALZ FCBGA package, pin functions differ significantly across variants - for example, AM68A9 omits VPAC and second CSI-TX, and AM685 disables the C7x DSP/MMA block. The Pin Attributes table (Table 5-1) confirms unique signal mappings per variant, and TI explicitly states in the Device Comparison table that "features vary by part number." Board redesign is required when migrating between these variants.

What security features are enabled by default on AM6852ATGGHAALZR at power-on?

At power-on, AM6852ATGGHAALZR enables hardware-based secure boot with ROM code verifying signed bootloader images using SHA-256 and RSA-2048/3072/4096 or ECC-256/384/512 keys stored in eFuses. The embedded HSM initializes, TRNG begins entropy generation, and memory firewalls enforce domain isolation between MAIN and MCU. However, customer-programmable root keys, debug authentication, and advanced crypto accelerators (PKA, AES-GCM) require explicit software configuration via the Security Management Subsystem (SMS) - no keys or policies are pre-provisioned; all security state is zeroized until first boot firmware writes to OTP or secure RAM.