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Texas Instruments XAM3894CYG
- Part No.:
- XAM3894CYG
- Manufacturer:
- Texas Instruments
- Category:
- Microprocessors
- Package:
- 1031-BFBGA, FCBGA
- Datasheet:
-
XAM3894CYG.pdf
- Description:
- IC MPU SITARA 1.2GHZ 1031FCBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,518
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Product details
Overview
XAM3894CYG from Texas Instruments is a high-performance Sitara™ ARM® microprocessor (MPU) featuring an ARM Cortex-A8 core running up to 1.20 GHz, integrated SGX530 3D graphics engine, dual DDR2/DDR3 memory interfaces, and HD video processing subsystem (HDVPSS) with HDMI 1.3 transmitter. It supports simultaneous HD/SD analog video output and dual HD capture, making it suitable for industrial HMI, interactive kiosks, and networked embedded computing systems.
For engineers reviewing the XAM3894CYG datasheet, XAM3894CYG pinout, XAM3894CYG application, or XAM3894CYG equivalent, key selection considerations include its 1031-pin FCBGA package, 25 mm × 25 mm body size, 1.0 V core voltage, 3.3 V I/O compatibility, and presence of SGX530 graphics - a feature exclusive to the AM3894 variant versus AM3892.
Technical Context
The XAM3894CYG implements an in-order, dual-issue, superscalar ARM Cortex-A8 processor with NEON multimedia extensions and VFPv3 floating-point support. Its memory subsystem includes 32 KB instruction and 32 KB data caches, 256 KB L2 cache, 64 KB on-chip RAM, and 48 KB boot ROM - all operating under ARMv7 architecture with little-endian data alignment.
System-level integration includes a Dynamic Memory Manager (DMM) enabling programmable multi-zone memory mapping and interleaving, a 128-bit L3 interconnect, and dedicated media controller for HDVPSS. The device supports PCIe 2.0 (x2 lanes), dual Gigabit Ethernet MACs with GMII/MDIO, two USB 2.0 ports with integrated PHYs, and SATA 3.0 Gbps controllers with hardware-assisted NCQ for up to 32 commands.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-A8, up to 1.20 GHz - delivers deterministic real-time performance for Linux-based embedded applications |
| Graphics Engine | SGX530 - enables OpenGL ES 2.0, OpenVG 1.1, and Direct3D Mobile rendering at up to 30 MTri/s (AM3894 only) |
| Memory Interfaces | Dual 32-bit DDR2/DDR3 - supports DDR2-800 and DDR3-1600 with 2 GB total address space |
| Video Processing | HDVPSS with HDMI 1.3 transmitter - provides HDCP-compliant digital output up to 165 MHz pixel clock |
| Connectivity | PCIe 2.0 x2, dual Gigabit EMAC, two USB 2.0 (host/device), SATA 3.0 Gbps - enables high-bandwidth peripheral expansion |
| Package | FCBGA-1031, 25.0 mm × 25.0 mm - uses Via Channel™ technology for 0.8-mm PCB routing on 0.65-mm pitch |
| Process Technology | 40-nm CMOS - balances power efficiency and performance for industrial temperature operation |
Pinout & Package
Package: FCBGA-1031 (25.0 mm × 25.0 mm), 0.65-mm ball pitch, compatible with 0.8-mm PCB design rules via Via Channel™ technology.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Core Power Supply | 1.0 V nominal supply for ARM Cortex-A8 logic and caches - requires AVS-capable regulation |
| VDD_IO | I/O Power Supply | 3.3 V single-ended LVCMOS I/O bank - supports GPIO, UART, SPI, I2C, and SD interfaces |
| DEV_CLKIN | Reference Clock Input | 1.8 V input for system oscillator - feeds PLLs for CPU, DDR, and peripheral clock generation |
| DDR_DQ[31:0] | DDR Data Bus | 32-bit bidirectional data lines for DDR2/DDR3 SDRAM - routed with matched length for timing closure |
| HDMI_TX_CLK | HDMI Pixel Clock Output | Differential 165 MHz clock for HDMI 1.3 transmitter - critical for HD video timing compliance |
Key Features
| Feature | Design Value |
|---|---|
| SGX530 Graphics Acceleration | Offloads OpenGL ES 2.0 rendering and video compositing from ARM core - reduces CPU load in GUI-intensive HMIs |
| Dynamic Memory Manager (DMM) | Enables hardware-accelerated 2D block accesses and tiled object orientation (0°/90°/180°/270°) - optimizes video frame buffer management |
| HDVPSS Dual Capture + Dual Display | Simultaneous 165-MHz HD video capture and display - supports multi-channel surveillance or dual-screen kiosk UIs |
| SmartReflex Level 2 Power Management | Real-time adaptive voltage scaling across seven independent power domains - lowers dynamic power in burst-mode workloads |
| PCIe 2.0 Root Complex/Endpoint Mode | Configurable x2-lane interface at 5.0 GT/s - allows direct attachment of FPGA co-processors or NVMe storage controllers |
Applications
| Industrial HMI Panels | Interactive Point-of-Service Kiosks |
|---|---|
Use Scenario: Touch-enabled factory floor operator interface with real-time machine status visualization and alarm logging. IC Role / Device Role / Timing Role: Central application processor executing Linux with Qt-based GUI, driving HDMI output and capturing touchscreen inputs via GPIO/UART. Use Value: SGX530 enables smooth 3D-rendered gauges and animated transitions without CPU saturation; HDVPSS handles overlay composition of live camera feeds and sensor overlays. | Use Scenario: Retail self-checkout station supporting barcode scanning, payment processing, and receipt printing over Ethernet. IC Role / Device Role / Timing Role: Main MPU managing dual Ethernet MACs for POS network redundancy and USB host for peripheral attachment (scanner, printer, card reader). Use Value: Dual Gigabit EMAC ensures low-latency transaction forwarding; PCIe 2.0 enables secure element expansion for EMV payment acceleration. |
| Network-Attached Video Analytics Edge Node | Single-Board Computing Platform |
Use Scenario: IP camera with onboard motion detection, facial recognition inference, and RTSP streaming over Gigabit Ethernet. IC Role / Device Role / Timing Role: Vision processing host interfacing with image sensors via HDVPSS capture channels and offloading neural net kernels to NEON/SGX530. Use Value: Dual HD capture channels allow synchronized stereo or multi-angle input; SATA 3.0 supports local video buffering on SSD. | Use Scenario: Compact, fanless embedded computer for digital signage, running Yocto Linux with hardware-accelerated video playback. IC Role / Device Role / Timing Role: Primary compute engine with DDR3 memory controller, HDMI transmitter, and SDIO for OS boot from eMMC. Use Value: Integrated HDMI 1.3 transmitter eliminates external TCON; 512 KB on-chip RAM accelerates boot time and firmware updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ARM MPU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM3892CYG | No SGX530 graphics engine; identical CPU, memory, and peripheral set otherwise | Suitable for headless or 2D-only applications where GPU acceleration is unnecessary | Select AM3892CYG when cost reduction is prioritized and 3D graphics or advanced video compositing are not required |
| AM4379BZDNA | Newer 32-bit ARM Cortex-A9 core (up to 1 GHz), PRU-ICSS for real-time I/O, no SGX530 but PowerVR SGX544 | Better real-time determinism via PRUs; targets industrial PLCs and motor control where latency matters more than raw GPU throughput | Choose AM4379BZDNA for new designs needing industrial protocol stacks (EtherCAT, PROFINET) or deterministic I/O handling |
Compared with AM3892CYG and AM4379BZDNA, XAM3894CYG uniquely combines mature Cortex-A8 performance with SGX530 graphics in a production-proven 40-nm process - making it optimal for legacy-compatible HMI upgrades requiring HDMI output and OpenGL ES 2.0 support without architectural migration.
Availability
XAM3894CYG is available at Aetrix Electronics and suitable for industrial automation, interactive point-of-service kiosks, and network-attached video analytics edge nodes requiring stable component supply and long-term lifecycle assurance.
Supply support for XAM3894CYG 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 AM389x product line was designed as a high-integration Sitara ARM MPU platform targeting single-board computing, human-machine interface, and industrial networking applications - emphasizing balanced CPU, graphics, and connectivity performance in a thermally efficient 40-nm package.
FAQ
What is the maximum operating frequency of the ARM Cortex-A8 core in the XAM3894CYG?
The XAM3894CYG ARM Cortex-A8 core operates at up to 1.20 GHz under recommended conditions, as confirmed in the SPRS681G datasheet revision March 2015. This frequency is achievable with proper thermal management and 1.0 V core supply using SmartReflex Level 2 adaptive voltage scaling. The XAM3894CYG does not support the earlier 1.35 GHz specification cited in prior revisions.
Does the XAM3894CYG include an integrated graphics processing unit?
Yes, the XAM3894CYG integrates the PowerVR SGX530 3D graphics engine - a feature exclusive to the AM3894 variant. It delivers up to 30 million triangles per second and supports OpenGL ES 1.1/2.0, OpenVG 1.1, and Direct3D Mobile APIs. The XAM3894CYG leverages this engine for hardware-accelerated UI rendering and video compositing within the HDVPSS subsystem.
What package type and dimensions does the XAM3894CYG use?
The XAM3894CYG is packaged in a 1031-ball FCBGA with a 25.0 mm × 25.0 mm body size and 0.65-mm ball pitch. It employs TI's Via Channel™ technology to enable 0.8-mm PCB trace routing, reducing layer count and manufacturing cost. This package is pin-compatible with AM3892CYG and shares identical mechanical footprint and thermal characteristics.
Which video output interfaces are supported by the XAM3894CYG?
The XAM3894CYG supports HDMI 1.3 transmitter with integrated PHY and HDCP up to 165 MHz pixel clock, plus three HD and four SD video DACs for analog CVBS/component outputs. Its HDVPSS subsystem enables simultaneous HD and SD analog video output alongside digital HDMI, allowing mixed-format display configurations in kiosk or surveillance applications.
How many DDR memory interfaces does the XAM3894CYG provide, and what standards do they support?
The XAM3894CYG provides two independent 32-bit DDR interfaces supporting both DDR2-800 and DDR3-1600 protocols, with up to eight x8 devices and 2 GB total address space. These interfaces are managed by a dedicated memory controller with DMM acceleration for tiled and interleaved access patterns - essential for high-throughput video frame buffering in the XAM3894CYG.
XAM3894CYG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 1031-BFBGA, FCBGA
- Series:
- Sitara™
- Packaging:
- Tray
- Product Status:
- Discontinued at Digi-Key
- Core Processor:
- ARM® Cortex®-A8
- Number of Cores/Bus Width:
- 1 Core, 32-Bit
- Speed:
- 1.2GHz
- Co-Processors/DSP:
- Multimedia; NEON™ SIMD
- RAM Controllers:
- DDR2, DDR3
- Graphics Acceleration:
- Yes
- Display & Interface Controllers:
- HDMI, HDVPSS
- Ethernet:
- 10/100/1000Mbps (2)
- SATA:
- SATA 3Gbps (1)
- USB:
- USB 2.0 + PHY (2)
- Voltage - I/O:
- 1.8V, 3.3V
- Operating Temperature:
- 0°C ~ 95°C (TJ)
- Grade:
- -
- Qualification:
- -
- Security Features:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 1031-FCBGA (25x25)
- Additional Interfaces:
- I2C, McASP, McBSP, SPI, SD/SDIO, UART
XAM3894CYG FAQ
1.How can I place an order for XAM3894CYG through Aetrix?
Please submit a Request for Quotation (RFQ) for XAM3894CYG 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 XAM3894CYG reliable?
The price and inventory of XAM3894CYG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for XAM3894CYG is usually 5 days.
3.What payment methods are accepted for XAM3894CYG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for XAM3894CYG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for XAM3894CYG?
XAM3894CYG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your XAM3894CYG 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 XAM3894CYG?
For technical support, including XAM3894CYG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your XAM3894CYG requirements.
6.How does Aetrix verify that XAM3894CYG is sourced from the original manufacturer or authorized distributors?
All XAM3894CYG 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 XAM3894CYG meets industry standards.
7.What is the process for return or replacement of XAM3894CYG?
All XAM3894CYG units undergo pre-shipment inspection (PSI). If there is an issue with XAM3894CYG, 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 XAM3894CYG part is unused and in its original packaging.
Return procedure for XAM3894CYG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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