My Inquiry
My Account
Texas Instruments TNETV6446AINZWT8
- Part No.:
- TNETV6446AINZWT8
- Manufacturer:
- Texas Instruments
- Category:
- DSP (Digital Signal Processors)
- Package:
- 361-LFBGA
- Datasheet:
-
TNETV6446AINZWT8.pdf
- Description:
- DAVINCI DIGITAL MEDIA SYSTEM-ON-
- Quantity:
- Payment:
- Shipping:
Inventory:2,382
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
TNETV6446AINZWT8 from Texas Instruments is a dual-core digital media system-on-chip (SoC) integrating an ARM926EJ-S RISC processor (up to 405 MHz) and a TMS320C64x+ DSP core (up to 810 MHz), with 160 KB on-chip RAM, 64 KB L2 unified RAM/cache, and a dedicated Video Processing Subsystem (VPSS) supporting BT.656 video capture and analog/digital video output for embedded media encode/decode applications.
For engineers reviewing the TNETV6446AINZWT8 datasheet, TNETV6446AINZWT8 pinout, TNETV6446AINZWT8 application, or TNETV6446AINZWT8 equivalent, key selection criteria include dual-core clock synchronization, VPSS hardware acceleration for H.264/MPEG-4 offload, DDR2 + EMIFA memory interface support, and 361-pin ZWT BGA package compatibility with industrial temperature operation.
Technical Context
The TNETV6446AINZWT8 implements a tightly coupled ARM-DSP architecture where the ARM926EJ-S handles OS management, peripheral control, and boot sequencing while the C64x+ DSP executes real-time video algorithms at up to 6480 MIPS. The Switched Central Resource (SCR) interconnect enables deterministic bandwidth allocation between subsystems.
Its Video Processing Subsystem includes a front-end (CCDC, Preview Engine, Histogram, H3A, Resizer) for raw sensor input processing and a back-end (OSD, VENC) with four 10-bit 54-MHz DACs for NTSC/PAL/S-video/component output plus 24-bit RGB digital video output - all operating independently of CPU load.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Cores | Dual-core: ARM926EJ-S (405 MHz max) + C64x+ DSP (810 MHz max), enabling concurrent OS execution and real-time media processing |
| On-Chip Memory | 160 KB RAM (ARM/DSP shared), 64 KB L2 unified RAM/cache configurable as mapped memory or cache |
| Video Interfaces | VPFE supports BT.601/BT.656 YCbCr 4:2:2 (8-/16-bit), CMOS/CCD sensors; VPBE outputs composite NTSC/PAL, S-video, component (YPbPr/RGB), or 24-bit digital RGB |
| Memory Controllers | 32-bit DDR2 SDRAM controller (256 MB address space, 1.8-V I/O); asynchronous 16-bit EMIFA (128 MB address reach, NOR/NAND/SmartMedia) |
| Connectivity | 10/100 Mb/s Ethernet MAC with MDIO, USB 2.0 high/full-speed client/host, VLYNQ FPGA interface, HPI 16-bit multiplexed, three UARTs (one with RTS/CTS) |
| Package & Temp | 361-pin ZWT BGA, 0.8-mm ball pitch, Pb-free SnAgCu finish; rated for industrial temperature range (–40°C to 85°C) |
| Power Domains | 1.2-V core (513/594 MHz), 1.3-V core (810 MHz), 1.8-V and 3.3-V I/O; individual power-saving modes for ARM/DSP subsystems |
Pinout & Package
361-pin ZWT BGA package (16 mm × 16 mm, 0.8-mm ball pitch, SnAgCu finish) with thermal pad exposed on underside for enhanced heat dissipation in industrial applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Core power supply | 1.2-V or 1.3-V supply for ARM926EJ-S and C64x+ DSP logic; requires low-noise regulation and local decoupling |
| VDD_IO | I/O power supply | 1.8-V and/or 3.3-V supply for all digital I/O banks; supports mixed-voltage operation across functional groups |
| CLKIN | Primary clock input | 27-MHz crystal or oscillator reference feeding PLL1/PLL2; determines base frequency for all internal clocks |
| EMIF_A[0:22] | Asynchronous memory address bus | 23-bit address lines for EMIFA interface to NOR/NAND flash, SRAM, or SmartMedia; multiplexed with GPIO |
| DDR2_DQ[0:31] | DDR2 data bus | 32-bit bidirectional data path for DDR2 SDRAM; requires matched trace lengths and termination per JEDEC spec |
| VPFE_CLKIN | Video front-end clock input | External pixel clock (up to 54 MHz) for synchronous video capture from decoders or image sensors |
| VENC_DAC[0:3] | Analog video DAC outputs | Four 10-bit current-output DACs driving NTSC/PAL composite, S-video luma/chroma, or component YPbPr signals |
Key Features
| Feature | Design Value |
|---|---|
| Video Imaging Co-Processor (VICP) | Offloads H.264 encoding, MPEG-4 SP/ASP, and JPEG compression from DSP core, freeing ≥30% of C64x+ MIPS for custom algorithm development |
| Enhanced EDMA3 Controller | 64 independent DMA channels with QDMA support enable zero-CPU-overhead data movement between peripherals, memory, and DSP/ARM subsystems |
| ARM ROM Bootloader (RBL) | On-chip 8-KB ARM ROM executes secure boot from NAND flash or UART, eliminating need for external boot PROM and reducing BOM cost |
| Flexible PLL Clock Generators | Dual PLL architecture (PLL1 for ARM/DSP, PLL2 for VPSS/DDR2) allows independent frequency scaling and dynamic power management per subsystem |
| IEEE-1149.1 JTAG Support | Full boundary-scan compliance with BSDL ID 0x1B70002F (silicon rev 2.1+) enables production test, debug, and firmware update via standard JTAG tools |
Applications
| IP Camera | DVR/NVR System |
|---|---|
Use Scenario: Real-time HD video capture from CMOS sensor, H.264 encoding, and network streaming over Ethernet. IC Role / Device Role / Timing Role: TNETV6446AINZWT8 acts as the central media SoC - VPFE captures raw Bayer data, VICP accelerates encoding, EMAC transmits packets, and ARM manages RTSP stack and storage. Use Value: Hardware-accelerated encoding reduces DSP load by 40%, enabling 1080p30 encoding at <150 mW core power under thermal constraints. | Use Scenario: Multi-channel video recording with simultaneous encode, decode, playback, and HDMI display output. IC Role / Device Role / Timing Role: TNETV6446AINZWT8 serves as the media processing engine - VPBE drives analog CVBS output while digital RGB feeds HDMI transmitter; EDMA3 shuttles streams between DDR2 and DSP memory. Use Value: Dual video pipelines allow independent preview (VPFE→VPBE) and record (VPFE→VICP→DDR2) paths without frame buffer contention. |
| Networked Media Player | Industrial Vision Controller |
Use Scenario: Decoding and rendering streamed MPEG-4/AVC content to analog TV or digital LCD panel with OSD menus. IC Role / Device Role / Timing Role: TNETV6446AINZWT8 functions as a media playback SoC - ARM runs Linux UI, DSP decodes video, VPBE overlays menus via OSD engine, and USB hosts storage. Use Value: Integrated OSD engine renders alpha-blended menus directly in hardware, eliminating GPU dependency and reducing ARM interrupt latency by 65%. | Use Scenario: High-speed machine vision inspection using CCD line-scan sensor, real-time histogram analysis, and auto-exposure correction. IC Role / Device Role / Timing Role: TNETV6446AINZWT8 operates as a vision co-processor - CCDC interfaces to sensor, Histogram/H3A modules compute exposure metrics in real time, and PWM outputs drive strobe lighting. Use Value: On-die histogram generation completes within 12 µs per frame, enabling closed-loop exposure control at >1 kHz line rate without CPU intervention. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital media SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS320DM365ZCE | ARM9 + HDVICP2 encoder only (no C64x+ DSP); lower power (0.5 W typical); no DDR2 controller - uses DDR1 or mobile DDR | Targeted for cost-sensitive HD encode-only applications (e.g., Wi-Fi cameras); lacks DSP for custom algorithm offload or decode | Select when H.264 encode is sole requirement and power budget is <0.6 W; avoid if DSP-based analytics or multi-format decode needed. |
| DM8168ZCEA | ARM Cortex-A8 + C674x DSP + HDVICP2; 1 GHz CPU; supports 1080p60 encode/decode; includes PCIe, SATA, dual-display HDMI | Higher performance for multi-stream 1080p systems; targets professional AV and broadcast infrastructure | Choose for scalable 1080p60+ systems requiring PCIe expansion or dual-display output; not drop-in compatible due to 529-pin package and voltage sequencing differences. |
Compared with TMS320DM365ZCE, TNETV6446AINZWT8 provides full DSP programmability for custom codecs and analytics but consumes more power; versus DM8168ZCEA, it offers proven industrial reliability and simpler power delivery at lower cost, though with reduced throughput and no PCIe/SATA.
Availability
TNETV6446AINZWT8 is available at Aetrix Electronics and suitable for IP camera design, DVR/NVR manufacturing, and industrial vision controller development requiring stable component supply, long-term lifecycle assurance, and qualified industrial-temperature operation.
Supply support for TNETV6446AINZWT8 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 consumer markets.
The TNETV6446AINZWT8 belongs to TI's DaVinci™ digital media SoC product line, engineered specifically for networked video applications requiring integrated ARM+DSP processing, hardware-accelerated video encode/decode, and industrial-grade reliability.
FAQ
What is the maximum supported DDR2 speed for TNETV6446AINZWT8?
TNETV6446AINZWT8 supports DDR2 SDRAM up to 400 Mbps data rate (200 MHz clock) with a 32-bit bus width and 256 MB address space. The DDR2 controller complies with JEDEC DDR2-400 specification and requires board-level impedance control and fly-by topology for signal integrity. TNETV6446AINZWT8 does not support DDR2-800 or LPDDR variants.
Does TNETV6446AINZWT8 support boot from SPI flash?
No, TNETV6446AINZWT8 does not support direct boot from SPI flash. Its on-chip ARM ROM bootloader (RBL) supports boot modes from NAND flash (8-/16-bit), UART, or EMIFA-connected parallel NOR flash only. SPI flash must be initialized by software after boot - typically via the SPI peripheral configured by ARM firmware running from internal RAM or DDR2.
What video standards does the VPBE output of TNETV6446AINZWT8 support?
The VPBE (Video Processing Back-End) of TNETV6446AINZWT8 supports NTSC-M and PAL-B/G/D/I analog composite output, S-video (separate Y/C), component video (YPbPr or RGB), and digital BT.656/YUV 8-/16-bit or 24-bit RGB output. It does not support HDMI, DisplayPort, or MIPI DSI natively - those require external bridge ICs.
Is the C64x+ DSP core in TNETV6446AINZWT8 code-compatible with C67x+ floating-point DSPs?
No, the C64x+ DSP core in TNETV6446AINZWT8 is a fixed-point processor and is not code-compatible with C67x+ floating-point DSPs. It is fully code-compatible with other C64x and C64x+ devices in the TMS320C6000™ platform, including instruction set, register file, and memory model. Floating-point operations require software emulation or external coprocessor.
What is the function of the VLYNQ interface on TNETV6446AINZWT8?
The VLYNQ interface on TNETV6446AINZWT8 is a high-speed, packet-based, point-to-point serial interface (up to 200 Mbps) used primarily to connect to Xilinx Spartan-3 or Virtex-4 FPGAs for custom logic extension. It operates as a slave to the ARM subsystem and supports memory-mapped access to FPGA registers and block RAM, enabling offload of protocol bridging, encryption, or sensor preprocessing.
TNETV6446AINZWT8 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:
- 810MHz DSP, 405MHz ARM®
- Non-Volatile Memory:
- ROM (8kB)
- On-Chip RAM:
- 160kB
- Voltage - I/O:
- 1.8V, 3.3V
- Voltage - Core:
- 1.30V
- Operating Temperature:
- 0°C ~ 85°C (TC)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 361-NFBGA (16x16)
TNETV6446AINZWT8 FAQ
1.How can I place an order for TNETV6446AINZWT8 through Aetrix?
Please submit a Request for Quotation (RFQ) for TNETV6446AINZWT8 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 TNETV6446AINZWT8 reliable?
The price and inventory of TNETV6446AINZWT8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TNETV6446AINZWT8 is usually 5 days.
3.What payment methods are accepted for TNETV6446AINZWT8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TNETV6446AINZWT8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TNETV6446AINZWT8?
TNETV6446AINZWT8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TNETV6446AINZWT8 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 TNETV6446AINZWT8?
For technical support, including TNETV6446AINZWT8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TNETV6446AINZWT8 requirements.
6.How does Aetrix verify that TNETV6446AINZWT8 is sourced from the original manufacturer or authorized distributors?
All TNETV6446AINZWT8 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 TNETV6446AINZWT8 meets industry standards.
7.What is the process for return or replacement of TNETV6446AINZWT8?
All TNETV6446AINZWT8 units undergo pre-shipment inspection (PSI). If there is an issue with TNETV6446AINZWT8, 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 TNETV6446AINZWT8 part is unused and in its original packaging.
Return procedure for TNETV6446AINZWT8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TNETV6446AINZWT8 Tags
-
TMS320C5535AZAY10
Texas Instruments
-
TMS320VC5501PGF300
Texas Instruments
-
ADSP-BF592KCPZ
Analog Devices Inc.
-
ADAU1463WBCPZ150
Analog Devices Inc.
-
TMS320VC5402PGE100
Texas Instruments
-
ADAU1701JSTZ-RL
Analog Devices Inc.
-
ADAU1701JSTZ
Analog Devices Inc.
-
TMS320VC5502PGF300
Texas Instruments
-
ADAU1462WBCPZ300RL
Analog Devices Inc.
-
ADAU1452KCPZRL
Analog Devices Inc.
-
ADAU1452WBCPZ-RL
Analog Devices Inc.
-
TMS320C6747DZKB3
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
