Texas Instruments AM3874BCYE80

Overview

AM3874BCYE80 from Texas Instruments is a high-performance Sitara™ ARM® Cortex-A8 System-on-Chip (SoC) featuring a 1-GHz CPU core, 512KB L2 cache, dual DDR2/DDR3 interfaces supporting up to DDR3-1066, SGX530 3D graphics engine, and integrated HD video processing subsystem (HDVPSS) with HDMI 1.3 transmitter - deployed in industrial HMIs, kiosks, and networked embedded vision systems.

For engineers reviewing the AM3874BCYE80 datasheet, AM3874BCYE80 pinout, AM3874BCYE80 application, or AM3874BCYE80 equivalent, key selection considerations include its 684-pin CYE BGA package, 1.1–1.35-V core voltage scaling across OPP100/OPP120/OPP166 operating points, hardware-accelerated video capture/display paths, and software compatibility with TI's DM814x/AM389x families for scalable design migration.

Technical Context

The AM3874BCYE80 integrates an ARM Cortex-A8 RISC core with Neon™ SIMD and VFPv3 floating-point units, executing at up to 1 GHz with 32KB L1 instruction and data caches plus 512KB unified L2 cache. Its memory subsystem includes dual 32-bit DDR2/DDR3 controllers, 64KB on-chip RAM, 48KB boot ROM, and 128KB OCMC SRAM - all managed via a programmable multizone memory mapping unit and dynamic memory manager (DMM).

Video processing is handled by the dedicated HDVPSS with two 165-MHz HD video capture modules, two HD display outputs, HDMI 1.3 transmitter with integrated PHY, and SD DACs; imaging is supported by the ISS with parallel camera interface, resizer, and ISIF - both subsystems coordinated by the Media Controller, which also manages clocking, power domains, and inter-subsystem synchronization.

Key Specifications

Pinout & Package

AM3874BCYE80 uses a 684-ball flip-chip BGA (FCBGA) package designated CYE, with 0.8-mm ball pitch and Via Channel technology to reduce layer count and routing complexity on host PCBs. The package measures 23 mm × 23 mm and supports 1.8-V and 3.3-V dual-voltage I/O buffers.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TMS320DM8148ZCE, AM3874BCYE80 offers lower power and smaller footprint for ARM-centric workloads; versus AM3894BCYE80, it provides proven stability and mature toolchain support at slightly reduced clock speed - ideal for cost-sensitive, volume production of fixed-function HMIs and kiosks.

Availability

AM3874BCYE80 is available at Aetrix Electronics and suitable for industrial HMIs, interactive kiosks, and embedded vision gateways requiring stable component supply, long-term lifecycle assurance, and qualified sourcing for production ramp.

Supply support for AM3874BCYE80 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.

The AM3874BCYE80 belongs to TI's Sitara™ ARM processor family, designed specifically for high-performance, low-power embedded applications demanding rich graphics, HD video, and real-time connectivity - targeting human-machine interfaces, intelligent edge devices, and scalable industrial computing platforms.

FAQ

What is the maximum operating frequency of the AM3874BCYE80?

The AM3874BCYE80 operates at a maximum frequency of 1 GHz under OPP166 conditions (1.35-V core voltage). It supports three configurable operating performance points: OPP100 (1.0 GHz at 1.1–1.2 V), OPP120 (1.2 GHz not supported on AM3874), and OPP166 (1.0 GHz at 1.35 V). Frequency scaling is managed by the PRCM module and requires corresponding voltage rail coordination. The AM3874BCYE80 does not support 1.2-GHz operation - that capability is reserved for the AM3894BCYE80 variant.

Does the AM3874BCYE80 support HDMI output?

Yes, the AM3874BCYE80 includes a fully integrated HDMI 1.3 transmitter with PHY, supporting 1080p60 video output. This feature is exclusive to the AM3874 variant - the AM3871 lacks HDMI and HDVPSS video ports. The HDMI interface requires proper termination, 100-Ω differential routing, and compliance with HDMI electrical specifications. The AM3874BCYE80 HDMI block supports HDCP-ready signaling but requires external HDCP keys and firmware integration for full content protection.

What graphics capabilities does the AM3874BCYE80 provide?

The AM3874BCYE80 integrates the PowerVR SGX530 3D graphics engine, delivering up to 25 million polygons per second and supporting OpenGL ES 1.1/2.0, OpenVG 1.0, and Direct3D Mobile APIs. It enables hardware-accelerated 2D/3D UI rendering, anti-aliased text, and video compositing - offloading these tasks from the ARM Cortex-A8 core. The SGX530 is present only on the AM3874BCYE80, not on the AM3871, and requires TI's Graphics SDK and kernel drivers for full utilization in Linux or Android environments.

How many DDR memory interfaces does the AM3874BCYE80 support?

The AM3874BCYE80 supports two independent 32-bit DDR2/DDR3 SDRAM interfaces, each capable of operating up to DDR2-800 or DDR3-1066 speeds. These interfaces can be configured to support up to eight x8 memory devices, forming a total addressable space of 2 GB. The Dynamic Memory Manager (DMM) enables programmable multizone memory mapping and interleaving between channels - critical for optimizing bandwidth in video and graphics workloads. This dual-channel architecture is confirmed in the AM3874BCYE80 datasheet SPRS695D Section 1.1 and Table 3-2.

Is the AM3874BCYE80 pin-compatible with other Sitara processors?

The AM3874BCYE80 shares the 684-pin CYE BGA package with the AM3871, enabling mechanical compatibility and simplified board reuse for non-video variants. However, it is not pin-compatible with the TMS320DM814x or AM389x families - those use different packages (e.g., ZCE, ZWT) and have distinct pinouts. While software is compatible across the AM387x/DM814x/AM389x families, hardware migration from AM3874BCYE80 to DM8148ZCE requires PCB redesign due to differing ball counts, power delivery, and signal assignments.