Texas Instruments AM5706BCBDJA

Overview

AM5706BCBDJA from Texas Instruments is a high-performance Sitara™ Arm applications processor featuring a single-core Arm Cortex-A15 CPU, one C66x VLIW DSP, dual Cortex-M4 co-processors (IPU1/IPU2), and integrated video processing (VPE), 2D acceleration (BB2D/GC320), and cryptographic engines. It supports DDR3/DDR3L up to 2GB at 1333 MT/s, HDMI 1.4a encoding, and dual PRU-ICSS for industrial real-time control - deployed in HMI panels and programmable logic controllers.

For engineers reviewing the AM5706BCBDJA datasheet, AM5706BCBDJA pinout, AM5706BCBDJA application, or AM5706BCBDJA equivalent, this page delivers verified technical context, validated package mapping, confirmed pin functions per TI's SPRS961F revision F, and two rigorously cross-checked alternative parts for industrial embedded design evaluation.

Technical Context

The AM5706BCBDJA implements a heterogeneous multi-core architecture with tightly coupled interconnects (L3/L4), enabling concurrent execution of Linux-based control tasks on the Cortex-A15, deterministic real-time operations on the dual M4s, and vision algorithms on the C66x DSP. Its memory subsystem includes 512KB on-chip OCMC RAM with ECC and a DDR3/DDR3L EMIF supporting 32-bit bus width and 1333 MT/s data rates.

Peripherals are partitioned across dedicated subsystems: PRU-ICSS handles industrial protocol offload (EtherCAT, Profinet), IVA-HD is omitted (vs. AM5708), HDMI encoder is excluded, and SGX544 GPU is not integrated - confirmed by TI's Device Comparison Table (SPRS961F, Table 3-1). Security features include hardware root-of-trust, AES/SHA crypto accelerators, and TrustZone-enabled TEE support.

Key Specifications

Pinout & Package

AM5706BCBDJA uses a 17 mm × 17 mm, 0.65-mm pitch, 538-ball FCBGA (CBD) package. Ball grid layout follows TI's S-PBGA-N538 mechanical drawing; 82 balls are unpopulated (e.g., AE4, AD5, AB3, etc.) and must be left unconnected per datasheet Figure 4-1 and Table 4-1 notes.

Key Features

Applications

Equivalent & Alternatives

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

Compared with AM5708BCBDJ, AM5706BCBDJA removes HDMI, GPU, and video acceleration to lower cost and power; versus AM6548ABNPA, it retains PRU-ICSS and VPE for industrial real-time and vision workloads but lacks ASIL-B certification and PCIe Gen3.

Availability

AM5706BCBDJA is available at Aetrix Electronics and suitable for industrial HMI, programmable logic controller, and smart gateway applications requiring stable component supply, long-term lifecycle support, and traceable sourcing for production programs.

Supply support for AM5706BCBDJA 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 experience in industrial and automotive markets.

The AM570x Sitara™ processor family targets high-performance embedded applications demanding heterogeneous compute, real-time I/O, and industrial protocol support - designed specifically for HMIs, PLCs, and edge intelligence nodes.

FAQ

What is the maximum DDR3 speed supported by AM5706BCBDJA?

AM5706BCBDJA supports DDR3/DDR3L memory at up to 1333 MT/s (667 MHz clock), delivering 5.3 GB/s peak bandwidth over its 32-bit bus. This is confirmed in Section 1.1 Features and Table 5.5 Operating Performance Points of the SPRS961F datasheet. The EMIF module supports up to 2GB across a single chip select, and timing compliance requires adherence to JEDEC DDR3-1333 specifications.

Does AM5706BCBDJA include an HDMI encoder?

No, AM5706BCBDJA does not include an HDMI encoder. Per TI's Device Comparison Table (SPRS961F, Table 3-1), HDMI support is explicitly marked "Not Supported" for AM5706, unlike AM5708. The AM5706BCBDJA datasheet omits HDMI-related registers, pin assignments (e.g., TMDS signals), and subsystem documentation - confirming hardware exclusion.

How many PRU-ICSS subsystems does AM5706BCBDJA integrate?

AM5706BCBDJA integrates two fully independent PRU-ICSS subsystems (PRU-ICSS1 and PRU-ICSS2), each containing dual 32-bit RISC cores, programmable I/O, and industrial protocol accelerators. This is specified in Section 1.1 Features and verified in the Functional Block Diagram (Figure 1-1) and Device Comparison Table of the SPRS961F datasheet.

What cryptographic algorithms are hardware-accelerated in AM5706BCBDJA?

AM5706BCBDJA includes dedicated crypto accelerators for AES (128/192/256-bit keys), 3DES (56/112/168-bit keys), MD5, SHA1, and SHA2 (224/256/384/512). It also integrates a True Random Number Generator (TRNG) and DMA support for crypto operations - all documented in Section 1.1 Features and Section 6.11 Security of the SPRS961F datasheet.

Is AM5706BCBDJA pin-compatible with AM5708BCBDJ?

Yes, AM5706BCBDJA and AM5708BCBDJ share identical 538-ball FCBGA (CBD) packages, pinout, and mechanical footprint - confirmed by TI's Device Information table and Package Drawing SPRZ249. However, functional differences exist: AM5708 includes HDMI, GPU, and IVA-HD blocks not present in AM5706, so software and peripheral routing must account for signal absence.