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Texas Instruments AM3894CCYG120
- Part No.:
- AM3894CCYG120
- Manufacturer:
- Texas Instruments
- Category:
- Microprocessors
- Package:
- 1031-BFBGA, FCBGA
- Datasheet:
-
AM3894CCYG120.pdf
- Description:
- IC MPU SITARA 1.2GHZ 1031FCBGA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
AM3894CCYG120 from Texas Instruments is a high-performance Sitara™ ARM® Cortex-A8 microprocessor (MPU) operating up to 1.20 GHz, featuring dual DDR2/DDR3 interfaces (up to DDR3-1600), integrated SGX530 3D graphics engine, and dual Gigabit Ethernet MACs. It serves as the central application processor in industrial HMI, single-board computing, and interactive kiosk systems requiring rich UI, video processing, and real-time connectivity.
For engineers reviewing the AM3894CCYG120 datasheet, AM3894CCYG120 pinout, AM3894CCYG120 application, or AM3894CCYG120 equivalent, key selection criteria include its 1031-pin FCBGA package, 25 mm × 25 mm footprint, 1.2 GHz CPU frequency, SGX530 GPU availability (exclusive to AM3894), and PCIe 2.0 x2 lane support for peripheral expansion.
Technical Context
The AM3894CCYG120 implements an in-order, dual-issue, superscalar ARMv7 architecture with NEON™ multimedia acceleration and VFPv3-IEEE754 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 512 KB OCM RAM - all managed via a Dynamic Memory Manager (DMM) enabling programmable multi-zone memory mapping and interleaving.
Peripherals are interconnected through L3/L4 buses with dedicated DMA paths: the Enhanced Direct-Memory-Access (EDMA) controller provides 64 independent channels and 8 QDMA channels; the HD Video Processing Subsystem (HDVPSS) supports simultaneous dual HD capture (165 MHz) and dual HD display with HDMI 1.3 transmitter (including HDCP); and the Media Controller manages HDVPSS resources independently of the ARM core.
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 3D GPU (AM3894 only) - enables OpenGL ES 2.0, OpenVG 1.1, and Direct3D Mobile rendering at up to 30 MTri/s. |
| Memory Interface | Dual 32-bit DDR2/DDR3 - supports up to DDR3-1600 (800 MHz) with 2 GB total address space for high-bandwidth system memory. |
| Video I/O | HDVPSS with two 165-MHz HD capture + two HD display channels - enables simultaneous SD/HD analog output and HDMI 1.3 digital output with HDCP. |
| Connectivity | PCIe 2.0 x2 lanes + dual Gigabit EMAC (MII/GMII) + dual USB 2.0 (host/device) - provides scalable wired I/O for industrial gateways and edge nodes. |
| Package | FCBGA-1031, 25.0 mm × 25.0 mm - uses Via Channel™ technology for 0.8-mm PCB routing on 0.65-mm pitch, reducing layer count and cost. |
| Process Technology | 40-nm CMOS - enables low-power operation with SmartReflex™ Level 2 dynamic voltage and frequency scaling. |
Pinout & Package
AM3894CCYG120 is housed in a 1031-ball Fine-Pitch Chip Scale Ball Grid Array (FCBGA) package measuring 25.0 mm × 25.0 mm, engineered with Via Channel™ technology to enable 0.8-mm trace routing on standard PCBs and reduce signal layer count.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DEV_CLKIN | Input clock reference | 1.8-V tolerant input for system oscillator; required for PLL initialization and clock domain synchronization. |
| DDR3_A[15:0] | Address bus | 16-bit DDR3 address lines shared with DDR2; supports bank/row/column addressing for up to 2 GB memory space. |
| DDR3_DQ[63:0] | Data bus | 64-bit bidirectional DDR3 data interface with DQS strobes; enables full-width burst transfers at up to 1600 MT/s. |
| EMAC0_RXD[3:0] | Ethernet receive data | 4-bit GMII/MII receive path for first Gigabit MAC; requires matched trace length and impedance control for signal integrity. |
| HDMI_D[23:0] | HDMI pixel data | 24-bit parallel RGB/YUV video bus feeding HDMI transmitter; supports up to 165 MHz pixel clock for 1080p60 output. |
| USB0_DP/DM | USB 2.0 differential pair | Integrated PHY pins for high-speed (480 Mbps) USB device/host operation; require 90-Ω differential impedance routing. |
Key Features
| Feature | Design Value |
|---|---|
| Dynamic Memory Manager (DMM) | Enables hardware-accelerated 2D block accesses and tiled object rendering (0°/90°/180°/270° rotation + mirroring) directly in memory without CPU intervention. |
| HDVPSS Dual Capture/Display | Simultaneous acquisition from two HD sources (e.g., camera + HDMI loopback) and concurrent output to HDMI + analog DACs - ideal for video analytics front-ends. |
| PCIe 2.0 Root Complex Mode | Allows AM3894CCYG120 to host external accelerators (e.g., FPGA, NVMe SSD) without requiring a separate bridge chip - reduces BOM and latency. |
| SmartReflex™ Level 2 | Real-time adaptive voltage scaling across seven independent power domains - cuts leakage current and extends thermal headroom in fanless enclosures. |
| On-Chip Boot ROM | 48 KB ARM ROM bootloader supporting boot from NAND/NOR/SD/eMMC - eliminates need for external boot PROM and simplifies secure firmware update workflows. |
Applications
| Industrial HMI Panel | Edge Video Analytics Gateway |
|---|---|
Use Scenario: Touch-enabled factory floor display with real-time machine status, alarm logging, and recipe management. IC Role / Device Role / Timing Role: Primary application processor executing Linux QT framework, driving HDMI + analog video outputs, and managing EtherCAT/PROFINET over dual EMACs. Use Value: SGX530 GPU renders smooth 1080p UI overlays while ARM core handles deterministic PLC communication - no external graphics co-processor needed. | Use Scenario: AI inference node aggregating video streams from multiple IP cameras and performing object detection before forwarding metadata to cloud. IC Role / Device Role / Timing Role: Central vision processor running YOLOv3 on NEON-optimized libraries, using HDVPSS for zero-copy frame ingestion and PCIe to attach FPGA accelerator. Use Value: Dual 165-MHz HD capture channels ingest 4K@30fps (split across two sensors), while EDMA offloads frame transfers to DDR - freeing CPU for inference scheduling. |
| Interactive Point-of-Service Kiosk | Single-Board Computer for Embedded Control |
Use Scenario: Retail self-checkout terminal with touchscreen, barcode scanner, receipt printer, and payment terminal integration. IC Role / Device Role / Timing Role: Main SoC running Android/Linux, handling USB peripherals (scanner/printer), dual Ethernet for LAN/WAN, and SATA for local database storage. Use Value: Integrated SATA 3.0 Gbps controller with NCQ supports >32-command queue depth - ensures responsive transaction logging even during peak throughput. | Use Scenario: Compact industrial controller replacing legacy x86 SBCs in CNC motion control, with real-time Linux and fieldbus expansion. IC Role / Device Role / Timing Role: Deterministic application processor interfacing with FPGA-based motion engine via GPMC, using dual timers for PWM generation and watchdog supervision. Use Value: GPMC's glueless interface to FPGA with 256 MB per chip select enables direct register-mapped access to motion registers - achieving sub-10 µs I/O latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar MPU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AM3892CYG | No SGX530 GPU; identical CPU, memory, and peripheral set otherwise. | Suitable where 2D UI or basic video playback suffices without 3D acceleration or OpenGL ES 2.0 rendering. | Select AM3892CYG when GPU offload is unnecessary and BOM cost reduction is prioritized. |
| AM4379BZDNA | ARM Cortex-A9 @ 1 GHz; PRU-ICSS for real-time I/O; no SGX530 but PowerVR SGX544 GPU. | Better real-time peripheral control via dual 32-bit PRUs; higher GPU compute density but lower peak CPU frequency. | Choose AM4379BZDNA when deterministic GPIO/timer/PWM timing or industrial protocol offload (e.g., EtherCAT slave) is required. |
Compared with AM3892CYG, AM3894CCYG120 adds critical 3D graphics capability for advanced UIs; versus AM4379BZDNA, it trades PRU-based real-time I/O for higher single-thread CPU throughput and mature HDVPSS video pipeline - making it optimal for media-rich, non-deterministic edge compute roles.
Availability
AM3894CCYG120 is available at Aetrix Electronics and suitable for industrial HMI, edge video analytics gateways, and interactive point-of-service kiosks requiring stable component supply across long-lifecycle deployments.
Supply support for AM3894CCYG120 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 specializing in analog, embedded processing, and wireless technologies, with leadership in industrial, automotive, and communications markets.
The AM389x Sitara™ MPU family targets high-performance embedded applications demanding rich user interfaces, video processing, and flexible connectivity - designed specifically for single-board computers, industrial HMIs, and intelligent edge devices.
FAQ
What is the maximum operating frequency of the AM3894CCYG120 processor core?
The AM3894CCYG120 features an ARM Cortex-A8 core rated for up to 1.20 GHz under specified thermal and voltage conditions, as confirmed in the SPRS681G datasheet revision March 2015. This frequency enables high-throughput execution of Linux-based applications and real-time multimedia workloads. The AM3894CCYG120 achieves this performance using SmartReflex™ Level 2 adaptive voltage scaling and 40-nm process technology to maintain thermal stability.
Does the AM3894CCYG120 include a graphics processing unit (GPU)?
Yes, the AM3894CCYG120 integrates the PowerVR SGX530 3D graphics engine - a feature exclusive to the AM3894 variant within the AM389x family. It supports OpenGL ES 1.1/2.0, OpenVG 1.1, and Direct3D Mobile, delivering up to 30 million triangles per second. The AM3894CCYG120 leverages this GPU to accelerate UI rendering, video compositing, and image processing tasks offloaded from the ARM core.
What package type and pin count does the AM3894CCYG120 use?
The AM3894CCYG120 is packaged in a 1031-ball Fine-Pitch Chip Scale Ball Grid Array (FCBGA) with a 25.0 mm × 25.0 mm body size. It employs Via Channel™ technology to enable 0.8-mm PCB trace routing on a 0.65-mm ball pitch, reducing layer count and manufacturing cost. This package is mechanically and thermally optimized for industrial convection-cooled applications.
Can the AM3894CCYG120 operate as a PCIe root complex?
Yes, the AM3894CCYG120 supports PCIe 2.0 in configurable root complex or endpoint mode via its single port with two 5.0 GT/s lanes. In root complex mode, the AM3894CCYG120 can enumerate and manage downstream PCIe devices such as FPGAs, NVMe SSDs, or network adapters - eliminating the need for external switch logic and simplifying system architecture.
What video interfaces are supported by the AM3894CCYG120's HDVPSS?
The AM3894CCYG120's HD Video Processing Subsystem (HDVPSS) supports two 165-MHz HD video capture channels, two HD display channels (one 16/24/30-bit, one 16-bit), three HD and four SD video DACs, and a digital HDMI 1.3 transmitter with integrated PHY and HDCP support. These interfaces allow simultaneous SD/HD analog output and HDMI 1.3 digital output - all natively managed by the AM3894CCYG120 without external video processors.
AM3894CCYG120 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 1031-BFBGA, FCBGA
- Series:
- Sitara™
- Packaging:
- Tray
- Product Status:
- Active
- 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
AM3894CCYG120 FAQ
1.How can I place an order for AM3894CCYG120 through Aetrix?
Please submit a Request for Quotation (RFQ) for AM3894CCYG120 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 AM3894CCYG120 reliable?
The price and inventory of AM3894CCYG120 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AM3894CCYG120 is usually 5 days.
3.What payment methods are accepted for AM3894CCYG120?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AM3894CCYG120 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AM3894CCYG120?
AM3894CCYG120 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AM3894CCYG120 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 AM3894CCYG120?
For technical support, including AM3894CCYG120 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AM3894CCYG120 requirements.
6.How does Aetrix verify that AM3894CCYG120 is sourced from the original manufacturer or authorized distributors?
All AM3894CCYG120 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 AM3894CCYG120 meets industry standards.
7.What is the process for return or replacement of AM3894CCYG120?
All AM3894CCYG120 units undergo pre-shipment inspection (PSI). If there is an issue with AM3894CCYG120, 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 AM3894CCYG120 part is unused and in its original packaging.
Return procedure for AM3894CCYG120:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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