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Texas Instruments SN3490586
- Part No.:
- SN3490586
- Manufacturer:
- Texas Instruments
- Category:
- DSP (Digital Signal Processors)
- Package:
- 361-LFBGA
- Datasheet:
-
SN3490586.pdf
- Description:
- SN3490586
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
TMS320DM6441 from Texas Instruments is a dual-core digital media system-on-chip integrating an ARM926EJ-S RISC processor (256 MHz at 1.2 V) and a C64x+ DSP core (513 MHz at 1.2 V), with 160 KB on-chip RAM, 8 KB ROM, and dedicated video processing subsystem (VPSS) for real-time imaging capture and display in portable media players and networked video encode/decode systems.
For engineers reviewing the TMS320DM6441 datasheet, TMS320DM6441 pinout, TMS320DM6441 application, or TMS320DM6441 equivalent, key selection considerations include its integrated VPFE/VPBE video front/back-end, DDR2 + EMIFA memory interfaces, 71 GPIOs with multiplexing, and support for boot from NAND, SPI, UART, or HPI - all in a 361-pin Pb-free BGA (ZWT).
Technical Context
The TMS320DM6441 implements a tightly coupled dual-processor architecture where the ARM926EJ-S handles OS services, user interface, and peripheral control while the C64x+ DSP executes high-throughput video algorithms including H.264/MPEG-4 encode/decode offloaded via the Video Imaging Coprocessor (VICP). The VPSS includes a CCD/CMOS imager interface (VPFE) and hardware OSD/video encoder (VPBE) with four 54-MHz DACs.
Memory hierarchy comprises ARM-side 16 KB I-cache/8 KB D-cache/16 KB RAM/8 KB ROM and DSP-side 32 KB L1P/80 KB L1D/64 KB unified L2 RAM/cache. Clocking uses dual PLLs supporting flexible domain partitioning: ARM, DSP, DDR2, VPSS, and peripheral clocks are independently configurable with voltage scaling between 1.05 V and 1.2 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| DSP Core | C64x+ fixed-point, 513 MHz max at 1.2 V - delivers 4104 MIPS and 4104 MMACS for real-time video processing |
| ARM Core | ARM926EJ-S, 256 MHz max at 1.2 V - supports Jazelle, Thumb, and Embedded ICE-RT for OS and control tasks |
| On-Chip RAM | 160 KB total: 64 KB L2 (DSP), 16 KB ARM RAM, 8 KB ROM - enables boot without external code storage |
| Video Interfaces | VPFE with BT.601/BT.656 (8-/16-bit YCbCr), VPBE with 4×54-MHz DACs (NTSC/PAL/S-video/component) and 24-bit RGB digital output |
| Memory Interfaces | 32-bit DDR2 SDRAM controller (256 MB space) + 16-bit asynchronous EMIFA (128 MB space) - supports NOR/NAND/SmartMedia/CompactFlash |
| Peripherals | 10/100 Ethernet MAC with MDIO, USB 2.0 PHY (host/client), 3×UART, 1×I2C, 1×SPI, 3×PWM, ATA/CF, MMC/SD/SDIO, VLYNQ, HPI |
| Package | 361-pin ZWT BGA, 0.8-mm ball pitch, Pb-free SnAgCu finish - requires 10-layer PCB with thermal vias for 1.2-V operation |
Pinout & Package
361-ball Pb-free ZWT package (0.8-mm pitch) with 71 multiplexed GPIOs, ball-grid layout optimized for DDR2 signal integrity and VPSS analog video routing. Thermal pad center supports heatsink attachment under JEDEC J-STD-020 reflow profile.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_DSP | DSP Core Power Supply | 1.05 V or 1.2 V supply; decoupling required per TI layout guidelines to maintain 513-MHz timing margin |
| VDD_ARM | ARM Core Power Supply | 1.05 V or 1.2 V supply; independent regulation enables dynamic voltage scaling during low-power modes |
| VDD_IO | I/O Bank Power | 3.3-V or 1.8-V selectable per bank; supports mixed-voltage interfacing to DDR2 (1.8 V), NAND (3.3 V), and SDIO (3.3 V) |
| CLKIN | Primary Oscillator Input | Accepts 24–48 MHz crystal or LVCMOS clock; feeds PLL1 for DSP/ARM domain generation |
| VPFE_CLK | Video Front-End Capture Clock | Drives CCD/CMOS sensor interface at up to 54 MHz; synchronous with BT.656 pixel clock requirements |
| VPBE_VCLK | Video Back-End Output Clock | Generates pixel clock for DACs and digital RGB output; phase-aligned to VPFE_CLK for zero-frame-delay preview |
| HPI_A15–A0 | Host Port Interface Address Bus | 16-bit multiplexed address/data bus (HPI_HD0–HD15); enables direct host CPU access to internal memory and registers |
Key Features
| Feature | Design Value |
|---|---|
| Integrated VPSS with VICP | Offloads H.264/MPEG-4 motion estimation, deblocking, and color-space conversion from DSP core - frees ≥30% C64x+ MIPS for custom algorithm development |
| Dual PLL Clock Generation | PLL1 (DSP/ARM) and PLL2 (DDR2/VPSS/peripherals) enable independent frequency scaling - e.g., run DSP at 513 MHz while DDR2 runs at 266 MHz |
| EDMA3 Controller | 64-channel DMA with QDMA support - enables zero-CPU-overhead data movement between DDR2, VPFE, VPBE, and DSP L2 memory |
| Flexible Boot Sources | ARM bootloader supports NAND flash, SPI serial flash, UART, or HPI - eliminates need for external boot PROM in cost-sensitive designs |
| Multiplexed GPIO Architecture | 71 pins shared across EMAC, VPFE, VPBE, ATA, USB, and peripherals - reduces BOM count but requires careful pin assignment planning in layout |
Applications
| IP Camera | Portable Media Player |
|---|---|
Use Scenario: Real-time 720p video encoding with motion detection and network streaming over Ethernet. IC Role / Device Role / Timing Role: TMS320DM6441 acts as full-system SoC - VPFE captures sensor data, C64x+ encodes H.264, ARM manages RTSP stack and web UI, EMAC handles packetization. Use Value: Single-chip solution eliminates external encoder ASIC and video buffer SRAM, reducing BOM by 32% vs. discrete DSP+FPGA+PHY design. |
Use Scenario: High-resolution video playback with HDMI/YPbPr output and touch-based navigation. IC Role / Device Role / Timing Role: TMS320DM6441 serves as media engine - VPBE drives dual DACs for composite/S-video and 24-bit RGB for LCD, ARM runs Linux UI, USB 2.0 enables content sync. Use Value: Integrated VPBE OSD engine overlays menus directly onto video stream without frame buffering - cuts display latency to <16 ms. |
| Network DVR | Video Conferencing Terminal |
Use Scenario: Simultaneous encode of 4 camera streams (D1 resolution) with local playback and remote viewing. IC Role / Device Role / Timing Role: TMS320DM6441 functions as multi-channel media processor - EDMA3 routes VPFE inputs to C64x+ for parallel encode, L2 RAM buffers multiple streams. Use Value: On-chip 160 KB RAM + DDR2 controller sustains 4× D1 encode at 30 fps without external frame buffers - reduces system power by 1.8 W. |
Use Scenario: HD video acquisition, echo cancellation, and SIP signaling in compact desktop unit. IC Role / Device Role / Timing Role: TMS320DM6441 operates as dual-domain processor - DSP handles AEC/NS/VAD in real time, ARM runs SIP stack and camera control firmware. Use Value: ARM926EJ-S Jazelle support accelerates Java-based UI rendering, while C64x+ SIMD instructions cut audio processing latency to 5 ms. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital media SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS320DM6446 | Includes additional 128 KB L2 cache and enhanced VPSS with 1080p encode capability; same pinout and software compatibility | Targeted at higher-resolution surveillance and broadcast-grade encoding where 720p is insufficient | Select DM6446 when >720p encode throughput or larger L2 cache for multi-stream buffering is required |
| i.MX31 | ARM1136-based SoC (532 MHz), no integrated DSP core; relies on ARM NEON for media acceleration; lacks VPSS hardware blocks | Suitable for UI-centric media devices where decode-only (not encode) and lower power dominate design priorities | Choose i.MX31 only if DSP offload is unnecessary and Linux UI performance outweighs video encode capability |
Compared with TMS320DM6441, the DM6446 offers higher encode resolution and cache headroom at identical footprint, while i.MX31 trades DSP acceleration for ARM-centric efficiency - making TMS320DM6441 optimal for balanced encode/decode + real-time imaging workloads.
Availability
TMS320DM6441 is available at Aetrix Electronics and suitable for IP camera, portable media player, network DVR, and video conferencing terminal designs requiring stable component supply and long-term industrial lifecycle support.
Supply support for TMS320DM6441 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 over 50 years of innovation in DSP and SoC design.
The TMS320DM6441 belongs to TI's DaVinci™ digital media SoC family, engineered specifically for cost-sensitive, power-constrained embedded video applications requiring integrated ARM+DSP processing and hardware-accelerated imaging pipelines.
FAQ
What is the maximum supported DDR2 speed for the TMS320DM6441?
The TMS320DM6441 DDR2 memory controller supports data rates up to 266 MHz (533 Mbps), corresponding to DDR2-533 operation. This requires strict adherence to TI's layout rules for trace length matching, termination, and power delivery - especially for the 32-bit bus width and 1.8-V I/O interface. The controller is not compatible with DDR2-667 or higher speeds.
Does the TMS320DM6441 support H.264 encode in hardware?
The TMS320DM6441 does not include dedicated H.264 encode logic in silicon. However, its Video Imaging Coprocessor (VICP) accelerates key compute-intensive operations such as motion estimation, integer transform, and deblocking, enabling real-time H.264 Baseline Profile encode at D1 resolution when combined with C64x+ DSP firmware. Full H.264 Main Profile requires external co-processing or software-only implementation.
Can the TMS320DM6441 boot directly from SPI flash?
Yes, the TMS320DM6441 ARM926EJ-S core can boot directly from SPI serial flash using the on-chip ROM bootloader (RBL). This capability was added in silicon revision 2.3 and documented in SPRS359E revision August 2010. The RBL supports standard SPI protocols and requires proper BOOTCFG register configuration and SPI flash initialization timing per TI's SPRAAU3 power report.
How many video input channels does the TMS320DM6441 support simultaneously?
The TMS320DM6441 supports one concurrent video input channel via its VPFE interface, which accepts BT.601/BT.656 (8-/16-bit YCbCr), raw Bayer, or CMOS/CCD sensor data. While the VPFE includes a preview engine and resizer, it is a single-pipeline front-end - multi-camera systems require external multiplexing or time-division sharing of the VPFE port.
What is the function of the VLYNQ interface on the TMS320DM6441?
The VLYNQ interface on the TMS320DM6441 is a high-speed, packet-based serdes link operating up to 100 MHz, designed to connect to FPGAs or companion chips for offloading non-real-time tasks. It provides a configurable 32-bit address/data path with DMA support and is commonly used to extend I/O, implement custom video pre-processing, or add encryption engines - without consuming GPIO or EMIF bandwidth.
SN3490586 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- TMS320DM644x, DaVinci™
- Package/Case:
- 361-LFBGA
- Packaging:
- Tray
- Product Status:
- Last Time Buy
- Type:
- Digital Media System-on-Chip (DMSoC)
- Interface:
- ASP, EBI/EMI, Host Interface, I2C, SPI, UART, USB
- Clock Rate:
- -
- Non-Volatile Memory:
- -
- On-Chip RAM:
- -
- Voltage - I/O:
- -
- Voltage - Core:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 361-NFBGA (16x16)
SN3490586 FAQ
1.How can I place an order for SN3490586 through Aetrix?
Please submit a Request for Quotation (RFQ) for SN3490586 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 SN3490586 reliable?
The price and inventory of SN3490586 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN3490586 is usually 5 days.
3.What payment methods are accepted for SN3490586?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN3490586 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SN3490586?
SN3490586 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN3490586 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 SN3490586?
For technical support, including SN3490586 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN3490586 requirements.
6.How does Aetrix verify that SN3490586 is sourced from the original manufacturer or authorized distributors?
All SN3490586 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 SN3490586 meets industry standards.
7.What is the process for return or replacement of SN3490586?
All SN3490586 units undergo pre-shipment inspection (PSI). If there is an issue with SN3490586, 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 SN3490586 part is unused and in its original packaging.
Return procedure for SN3490586:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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