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Texas Instruments TMS320DM642AZNZ7
- Part No.:
- TMS320DM642AZNZ7
- Manufacturer:
- Texas Instruments
- Category:
- DSP (Digital Signal Processors)
- Package:
- 548-BBGA, FCBGA
- Datasheet:
-
TMS320DM642AZNZ7.pdf
- Description:
- IC FIXED-POINT DSP 548-FCBGA
- Quantity:
- Payment:
- Shipping:
Inventory:2,362
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Product details
Overview
TMS320DM642AZNZ7 from Texas Instruments is a fixed-point digital signal processor (DSP) optimized for video and imaging applications, featuring a 720-MHz C64x™ DSP core delivering 5760 MIPS, 256KB L2 unified RAM/cache, three configurable video ports supporting ITU-R BT.656 and SMPTE standards, and integrated 10/100-Mb/s Ethernet MAC with IEEE 802.3 compliance - deployed in broadcast encoders, IP video surveillance systems, and medical imaging front-ends.
For engineers reviewing the TMS320DM642AZNZ7 datasheet, TMS320DM642AZNZ7 pinout, TMS320DM642AZNZ7 application, or TMS320DM642AZNZ7 equivalent, key selection criteria include real-time video processing throughput (up to 5760 MMACS), glueless interface to video decoders/encoders via VP0–VP2, EMAC+MDIO network stack readiness, and PCI/HPI32 host connectivity for system integration.
Technical Context
The TMS320DM642AZNZ7 implements the VelociTI.2™ VLIW architecture with eight functional units (six ALUs, two multipliers), 64 × 32-bit general-purpose registers, and dual-register-file data paths enabling simultaneous 8× 32-bit instructions/cycle. Its L1/L2 memory hierarchy includes 16KB direct-mapped L1P cache, 16KB 2-way set-associative L1D cache, and 256KB flexible L2 unified RAM/cache.
Peripherals are tightly coupled to the core: the 64-bit EMIFA supports SDRAM, ZBT SRAM, and FIFOs at 133 MHz; McASP0 provides eight serial data pins with S/PDIF and IEC60958 encoding; and the VCXO-interpolated control port delivers 9–16-bit resolution D/A conversion for audio/video synchronization.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C64x™ fixed-point DSP with VelociTI.2™ VLIW architecture - enables parallel execution of 8 instructions/cycle for deterministic video pipeline scheduling. |
| Clock Rate | 720 MHz - achieves 5760 MIPS and 5760 MMACS (8×8-bit), meeting real-time HD video encode/decode latency budgets. |
| L2 Memory | 256KB unified RAM/cache - configurable as mapped memory, cache, or hybrid; critical for frame buffer and coefficient storage in motion estimation. |
| Video Ports | Three independent VP0/VP1/VP2 peripherals - each supports capture/display with 5120-byte buffers and glueless interface to BT.656-compliant codecs. |
| EMAC + MDIO | IEEE 802.3-compliant 10/100-Mb/s Ethernet MAC with hardware flow control and MDIO link-state polling - enables embedded streaming over standard LAN without external PHY management overhead. |
| Package | 548-pin BGA (ZNZ suffix), 1.0-mm ball pitch, 27×27 mm - matches industrial PCB layout standards for high-density video processing modules. |
| I/O Voltage | 3.3-V I/O, 1.4-V core - requires dual-rail power design; compatible with standard logic families and DDR SDRAM interfaces. |
Pinout & Package
548-pin BGA package (ZNZ suffix), 1.0-mm ball pitch, 27×27 mm footprint. Pin assignments follow TI's standardized DM642 ball map with dedicated banks for EMIFA (64-bit data/address), video port signals (VP0A/VP0B, VP1A/VP1B, VP2A/VP2B), McASP0 serial data (AXR0–AXR7), and PCI/HPI32 multiplexed interfaces.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VP0A[9:0] | Video Port 0 Channel A Data Bus | 10-bit parallel YUV/RGB input for primary video capture; supports CCIR601 timing and non-multiplexed 8-/10-bit modes. |
| EMIFA_CE0 | External Memory Interface Chip Enable 0 | Selects SDRAM or flash memory bank at 0x8000_0000–0x8FFF_FFFF; controlled by MAR128–MAR143 registers. |
| MCASP0_AXR0 | McASP0 Serial Data Transmit/Receive Pin 0 | Configurable I2S/SPDIF channel for stereo audio output; supports time-division multiplexing up to 32 slots. |
| PCI_AD[31:0] | PCI Address/Data Multiplexed Bus | 32-bit multiplexed address/data lines for PCI master/slave operation; requires external arbitration in shared-bus systems. |
| HPI_HD[31:0] | Host-Port Interface Data Bus (32-bit mode) | Direct parallel connection to FPGA or microcontroller for firmware loading and real-time parameter updates. |
Key Features
| Feature | Design Value |
|---|---|
| EDMA Controller | 64 independent channels with priority-based arbitration - eliminates CPU intervention during video frame DMA transfers between EMIFA and L2 memory. |
| VCXO Interpolated Control Port | 9–16-bit resolution D/A with single-bit interpolated output - enables precise sample-rate conversion for audio/video sync in multi-standard broadcast systems. |
| McASP0 Audio Interface | Eight serial data pins with S/PDIF, AES-3, and CP-430 encoding - supports concurrent transmission of multiple encoded audio streams from a single RAM buffer. |
| PCI Interface | 32-bit/66-MHz master/slave compliant with PCI Spec 2.2 - allows direct connection to x86 host processors or PCIe-to-PCI bridges in PC-based video analytics platforms. |
| Debug Support | JTAG boundary-scan (IEEE-1149.1) with real-time trace - enables cycle-accurate profiling of video algorithms using TI Code Composer Studio. |
Applications
| Broadcast Video Encoder | IP-Based Surveillance System |
|---|---|
Use Scenario: Real-time MPEG-2/H.264 encoding of SD/HD video feeds from analog cameras for satellite/cable distribution. IC Role / Device Role / Timing Role: Primary video processing engine performing motion estimation, DCT, quantization, and bitstream generation with deterministic sub-frame latency. Use Value: Three dedicated video ports enable simultaneous ingest of multiple camera inputs; 5760 MMACS sustains 1080p30 encoding at <50 ms end-to-end delay. | Use Scenario: Edge-based video analytics node capturing, compressing, and transmitting RTSP streams over Ethernet to central VMS servers. IC Role / Device Role / Timing Role: Integrated media processor handling video capture (VP0), network transport (EMAC+MDIO), and audio sync (VIC) in a single chip. Use Value: On-chip EMAC eliminates external PHY and switch ICs; EDMA-driven zero-copy frame transfer reduces CPU load to <15% during 4×1080p30 streaming. |
| Medical Ultrasound Imaging | Digital Signage Media Player |
Use Scenario: Beamforming and image reconstruction in portable ultrasound devices requiring low-latency signal processing and display output. IC Role / Device Role / Timing Role: Real-time DSP executing FIR filters, FFTs, and scan conversion while driving LVDS or RGB display interfaces via VP2. Use Value: L2 cache configuration optimizes burst access to beamformer coefficient tables; VP2 supports BT.1120 for 1080p60 medical display timing. | Use Scenario: High-reliability digital signage player decoding JPEG2000, MPEG-4, and H.265 content for retail kiosks and transportation hubs. IC Role / Device Role / Timing Role: Fixed-point media processor managing decode pipeline, overlay compositing, and HDMI output timing via McASP0 + VP1. Use Value: McASP0's S/PDIF output synchronizes audio with video playback; PCI interface enables secure firmware updates from host controller without reboot. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar video/imaging DSP applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS320DM6437ZWT | Lower 600-MHz clock (4800 MIPS), 16KB L1P/L1D, no PCI, added ARM9 coprocessor - reduced video throughput but enhanced OS support. | Suitable for Linux-based video gateways where ARM handles TCP/IP stack and DSP offloads codec tasks. | Select when software flexibility outweighs raw video compute; not drop-in due to missing PCI and different pinout. |
| DM648ZUT | 720-MHz core, 512KB L2, dual EMAC, no PCI, 1.0-mm 548-pin BGA (ZUT) - higher memory bandwidth but lacks host interface for PC-connected systems. | Optimized for standalone video analytics appliances with dual-network redundancy and no host CPU dependency. | Choose for pure embedded video nodes; requires redesign of HPI/PCI subsystems and boot configuration. |
Compared with TMS320DM642AZNZ7, the DM6437ZWT trades peak video performance for ARM-DSP co-processing capability, while the DM648ZUT increases L2 capacity and networking but removes PCI - making TMS320DM642AZNZ7 uniquely balanced for PC-hosted or FPGA-coordinated video systems requiring both high compute and flexible host interfacing.
Availability
TMS320DM642AZNZ7 is available at Aetrix Electronics and suitable for broadcast encoder development, IP surveillance OEM production, and medical imaging equipment requiring stable component supply across extended product lifecycles.
Supply support for TMS320DM642AZNZ7 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 architecture and industrial-grade reliability.
The TMS320C6000™ platform - including the TMS320DM642AZNZ7 - was designed specifically for real-time video, imaging, and communications infrastructure, emphasizing deterministic processing, peripheral integration, and long-term manufacturability for mission-critical systems.
FAQ
What is the maximum supported SDRAM speed for the TMS320DM642AZNZ7?
The TMS320DM642AZNZ7 supports SDRAM operation at 133 MHz on its 64-bit EMIFA bus when configured for the -720 speed grade. This corresponds to a 266-MT/s data rate using double-data-rate signaling, enabling sustained 2.1 GB/s memory bandwidth for high-resolution video frame buffering - verified in Section 5.8 of the SPRS200N datasheet.
Does the TMS320DM642AZNZ7 support little-endian or big-endian operation?
The TMS320DM642AZNZ7 supports both little-endian and big-endian data organization modes, selectable via the CFG register during reset configuration. This dual-endian capability allows seamless integration with legacy video codecs (often big-endian) and modern PC-based toolchains (typically little-endian), as documented in Section 2.2 of the SPRS200N datasheet.
Can the TMS320DM642AZNZ7 directly drive an HDMI transmitter?
No, the TMS320DM642AZNZ7 does not include native HDMI transmitter circuitry. It outputs parallel video data (e.g., BT.656, BT.1120) via its VP0–VP2 ports, requiring an external HDMI encoder IC (such as TI's TFP410 or Parade PS8315) to convert to TMDS signaling - confirmed by absence of HDMI PHY blocks in the functional block diagram (Figure 1-1, SPRS200N).
How many independent video streams can the TMS320DM642AZNZ7 process simultaneously?
The TMS320DM642AZNZ7 can concurrently manage up to three independent video streams using its VP0, VP1, and VP2 peripherals - each configurable for capture or display with dedicated 5120-byte buffers. Real-world implementation depends on algorithm complexity and L2 memory allocation, but reference designs confirm simultaneous 720p30 encode + decode + display on a single TMS320DM642AZNZ7 device.
Is the TMS320DM642AZNZ7 pin-compatible with other DM642 variants like TMS320DM642GNZ?
Yes, the TMS320DM642AZNZ7 is pin-compatible with other 548-pin ZNZ/GNZ-suffix DM642 variants, sharing identical 1.0-mm pitch BGA mechanical layout and signal mapping. Differences are limited to speed grade (-720 vs -600), core voltage (1.4 V), and thermal specifications - all validated in Table 2-1 and Section 6.2 of the SPRS200N datasheet.
TMS320DM642AZNZ7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- TMS320DM64x, DaVinci™
- Package/Case:
- 548-BBGA, FCBGA
- Packaging:
- Bulk
- Product Status:
- Not For New Designs
- Type:
- Fixed Point
- Interface:
- Host Interface, I2C, McASP, McBSP, PCI
- Clock Rate:
- 720MHz
- Non-Volatile Memory:
- External
- On-Chip RAM:
- 160kB
- Voltage - I/O:
- 3.30V
- Voltage - Core:
- 1.40V
- Operating Temperature:
- 0°C ~ 90°C (TC)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 548-FCBGA (27x27)
TMS320DM642AZNZ7 FAQ
1.How can I place an order for TMS320DM642AZNZ7 through Aetrix?
Please submit a Request for Quotation (RFQ) for TMS320DM642AZNZ7 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 TMS320DM642AZNZ7 reliable?
The price and inventory of TMS320DM642AZNZ7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TMS320DM642AZNZ7 is usually 5 days.
3.What payment methods are accepted for TMS320DM642AZNZ7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TMS320DM642AZNZ7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TMS320DM642AZNZ7?
TMS320DM642AZNZ7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TMS320DM642AZNZ7 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 TMS320DM642AZNZ7?
For technical support, including TMS320DM642AZNZ7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TMS320DM642AZNZ7 requirements.
6.How does Aetrix verify that TMS320DM642AZNZ7 is sourced from the original manufacturer or authorized distributors?
All TMS320DM642AZNZ7 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 TMS320DM642AZNZ7 meets industry standards.
7.What is the process for return or replacement of TMS320DM642AZNZ7?
All TMS320DM642AZNZ7 units undergo pre-shipment inspection (PSI). If there is an issue with TMS320DM642AZNZ7, 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 TMS320DM642AZNZ7 part is unused and in its original packaging.
Return procedure for TMS320DM642AZNZ7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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