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Texas Instruments TNETV2666FIDZWT
- Part No.:
- TNETV2666FIDZWT
- Manufacturer:
- Texas Instruments
- Category:
- DSP (Digital Signal Processors)
- Package:
- 361-LFBGA
- Datasheet:
-
TNETV2666FIDZWT.pdf
- Description:
- DAVINCI DIGITAL MEDIA SYSTEM-ON-
- Quantity:
- Payment:
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Product details
Overview
TNETV2666FIDZWT from Texas Instruments is a fixed-point digital signal processor (DSP) based on the C64x+™ VLIW architecture, delivering up to 5600 MIPS at 700 MHz with 32 KB L1P program RAM/cache, 80 KB L1D data RAM/cache, and 128 KB unified L2 RAM/cache. It integrates a 32-bit DDR2 SDRAM memory controller, dual McBSPs, McASP0 with four serializers, EMAC with MDIO, and supports telecom, audio, and industrial real-time signal processing.
For engineers reviewing the TNETV2666FIDZWT datasheet, TNETV2666FIDZWT pinout, TNETV2666FIDZWT application, or TNETV2666FIDZWT equivalent, key selection considerations include its 361-pin Pb-free PBGA (ZWT) package, 1.2-V core / 1.8-V I/O voltage operation, flexible memory mapping, and support for IEEE 802.3-compliant 10/100-Mb/s Ethernet connectivity in embedded DSP systems.
Technical Context
The TNETV2666FIDZWT implements an eight-functional-unit C64x+™ DSP core with six ALUs and two multipliers, enabling four 16×16-bit MACs per cycle (2800 MMACS) or eight 8×8-bit MACs per cycle (5600 MMACS). Its memory subsystem features configurable L1P/L1D cache modes and unified L2 RAM/cache with programmable allocation between program and data space.
Peripheral integration includes a 32-bit 33-MHz PCI interface, dual UARTs (one with RTS/CTS), I²C master/slave, three PWM outputs, 111 GPIO pins (multiplexed), and a 16-bit HPI - all managed via a centralized switched central resource (SCR) interconnect and EDMA3 controller with 64 independent channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | C64x+™ VLIW DSP with eight functional units, 64 × 32-bit registers, and VelociTI.2™ extensions for enhanced orthogonality and instruction packing. |
| Max Clock Rate | 700 MHz (–7 speed grade), enabling 5600 MIPS peak performance - critical for real-time telecom frame processing and multi-channel audio decoding. |
| Memory Architecture | L1P: 32 KB (configurable as RAM or cache); L1D: 80 KB (48 KB RAM + 32 KB flexible cache); L2: 128 KB unified mapped RAM/cache - supports deterministic latency-critical algorithms. |
| DDR2 Interface | 32-bit DDR2 SDRAM controller supporting up to 333-MHz data rate (DDR2-400), 256-MB address space, and 1.8-V I/O - enables high-bandwidth streaming of sensor or media data. |
| EMAC | IEEE 802.3-compliant 10/100-Mb/s Ethernet MAC with MII/RMII support and integrated MDIO module for PHY enumeration - provides native network edge connectivity without external PHY glue logic. |
| Package | 361-pin Pb-free PBGA (ZWT suffix), 16 × 16 mm body, 0.8-mm ball pitch - optimized for thermal dissipation and board-level routing density in compact DSP modules. |
| Supply Voltages | CVDD = 1.2 V (–7/–6/–5/–4/Q-grade), CVDD = 1.05 V (–L/–Q5); I/O = 1.8 V and 3.3 V - allows power-performance scaling across commercial and automotive temperature grades. |
Pinout & Package
361-pin Pb-free plastic ball grid array (PBGA) package, ZWT suffix, 16 mm × 16 mm body, 0.8-mm ball pitch, RoHS-compliant. Thermal pad exposed on underside for enhanced heat transfer.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLKIN/MXI | Primary clock input or crystal oscillator connection | Accepts 15–30 MHz reference; feeds PLL for internal 700-MHz core clock generation - requires stable low-jitter source for deterministic DSP timing. |
| DDR2_DQ[31:0] | Data bus for DDR2 SDRAM interface | 32-bit bidirectional data path supporting DDR2-400 (333-MHz data rate); must be length-matched and terminated per JEDEC DDR2 specifications. |
| EMAC_MDIO | Management Data I/O for PHY configuration | Open-drain bidirectional interface for reading/writing PHY registers; requires 2.2-kΩ pull-up to 3.3 V - enables auto-negotiation and link status monitoring. |
| HPI_HD[15:0] | 16-bit host-port interface data bus | Glueless parallel interface for host processor access to internal memory/peripherals; supports burst transfers and DMA coherency - used for firmware loading or real-time debug access. |
| GPIO[110:0] | General-purpose input/output bank | Up to 111 multiplexed pins configurable as inputs, outputs, or peripheral functions (e.g., McBSP clocks, PWM outputs); each supports interrupt/event generation - enables custom control signaling and status monitoring. |
Key Features
| Feature | Design Value |
|---|---|
| EDMA3 Controller | 64 independent channels with QDMA support - offloads CPU from memory-mapped peripheral transfers, enabling zero-cycle context switching for real-time audio buffering and packet processing. |
| McASP0 Audio Interface | Four independent serializers supporting I²S, TDM, AC97, SPDIF (DIT), and AIC12 - allows simultaneous multi-format audio I/O (e.g., stereo playback + mono capture + S/PDIF output) without external codec arbitration logic. |
| VLYNQ Interface | 4-bit transmit / 4-bit receive FPGA interconnect - provides low-latency, configurable point-to-point link to companion FPGAs for custom acceleration or protocol bridging (e.g., ST-Bus to PCIe). |
| Boot ROM | 64 KB on-chip ROM with configurable boot modes (EMIF, SPI, I²C, UART, HPI) - enables secure, reliable startup from NOR/NAND flash or serial EEPROM without external boot PROM. |
| Flexible PLL Clock Generators | Configurable x14 to x32 multiplication with bypass mode - supports dynamic frequency scaling and jitter-reduced clock synthesis from low-cost crystals, reducing BOM cost and layout complexity. |
Applications
| Telecom Baseband Processing | Industrial Motor Control |
|---|---|
Use Scenario: Real-time channel coding, equalization, and modulation/demodulation in wireless infrastructure equipment (e.g., small cell BTS, repeaters). IC Role / Device Role / Timing Role: Primary baseband DSP executing LTE/5G physical layer algorithms with deterministic sub-100-ns interrupt latency and synchronized timer-triggered FFT execution. Use Value: 5600-MIPS throughput and dual McBSPs enable concurrent multi-carrier processing while maintaining strict 3GPP timing alignment across RF chains. |
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase PMSM/BLDC motors in servo drives and CNC systems. IC Role / Device Role / Timing Role: Real-time motor control engine generating PWM waveforms with <100-ns dead-time precision and synchronizing ADC sampling to commutation events. Use Value: Three dedicated PWM outputs with programmable dead-time and 111 GPIOs allow direct gate-driver interfacing and encoder feedback acquisition without external CPLD logic. |
| Professional Audio Processing | Embedded Network Edge Node |
Use Scenario: Multi-channel digital mixing, effects processing (reverb, EQ), and format conversion in live sound consoles and broadcast encoders. IC Role / Device Role / Timing Role: Audio stream processor handling 64+ channels of 24-bit/96-kHz PCM via McASP0 and McBSPs, with sample-accurate routing and buffer management. Use Value: Four McASP serializers and SPDIF DIT mode support simultaneous AES/EBU, S/PDIF, and I²S outputs - eliminating need for external format translators. |
Use Scenario: Protocol gateway aggregating Modbus RTU, CAN, and Ethernet traffic in IIoT edge controllers. IC Role / Device Role / Timing Role: Central protocol translator running dual Ethernet stacks (TCP/IP + EtherNet/IP) while managing serial fieldbus peripherals via UARTs and GPIOs. Use Value: Integrated EMAC + MDIO + dual UARTs + 111 GPIOs enable single-chip implementation of industrial protocol bridging with hardware-accelerated packet filtering and timestamping. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-point DSP applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TMS320C6422ZWT | Lower clock rate (500 MHz max), reduced L2 memory (64 KB vs. 128 KB), no EMAC or PCI interface - identical ZWT package and pinout. | Suitable for cost-sensitive audio or imaging applications without Ethernet or high-speed peripheral expansion needs. | Select when system bandwidth and peripheral count are lower, and 4000-MIPS peak performance suffices. |
| TMS320C6455ZWT | Higher clock rate (1 GHz), larger L2 (2 MB), added SRIO and HyperLink interfaces, but same C64x+ ISA and ZWT footprint. | Targeted at high-throughput radar, medical imaging, and multi-gigabit backplane systems requiring >10-Gbps interconnect. | Choose for next-generation designs needing scalable performance headroom and advanced interconnect beyond DDR2/PCI. |
Compared with TNETV2666FIDZWT, the C6422ZWT offers cost reduction at the expense of Ethernet and memory capacity, while the C6455ZWT extends capabilities into high-end compute-intensive domains - both maintain software compatibility but differ in I/O bandwidth, memory scalability, and target system complexity.
Availability
TNETV2666FIDZWT is available at Aetrix Electronics and suitable for telecom infrastructure, professional audio equipment, industrial motor drives, and embedded network edge nodes requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for TNETV2666FIDZWT 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 decades of DSP innovation powering communications, industrial, and automotive systems.
The TMS320C64x+™ DSP product line - including TNETV2666FIDZWT - was engineered for high-throughput, low-latency fixed-point signal processing in real-time telecom, audio, and industrial control applications where deterministic performance and peripheral integration are critical.
FAQ
What is the maximum operating frequency of the TNETV2666FIDZWT?
The TNETV2666FIDZWT operates at up to 700 MHz (–7 speed grade), delivering 5600 million instructions per second (MIPS). This frequency is achieved with a 1.2-V core supply and requires a stable 15–30 MHz external reference clock fed into the CLKIN/MXI pin. The device's PLL supports multiplication factors from x14 to x32 to generate the internal core clock, and the TNETV2666FIDZWT datasheet specifies timing margins for setup/hold and clock-to-out delays at this speed.
Does the TNETV2666FIDZWT support little-endian and big-endian data formats?
Yes, the TNETV2666FIDZWT supports both little-endian and big-endian operation modes, configurable at reset via the endian select bit in the CPU control register. This flexibility allows seamless integration with legacy big-endian peripherals (e.g., certain telecom framers) or modern little-endian host processors without software byte-swapping overhead - a capability explicitly documented in the TNETV2666FIDZWT technical reference manual.
What memory interfaces does the TNETV2666FIDZWT provide for external storage?
The TNETV2666FIDZWT integrates two independent external memory interfaces: a 32-bit synchronous DDR2 SDRAM controller supporting DDR2-400 (333-MHz data rate) and a 16-bit asynchronous EMIFA supporting NOR/NAND flash, SRAM, and FPGA glue logic. The DDR2 interface provides 256-MB address space and 1.8-V I/O, while EMIFA offers up to 128-MB reach with programmable wait states - both are accessible concurrently by the EDMA3 controller and CPU.
Can the TNETV2666FIDZWT boot directly from NAND flash?
Yes, the TNETV2666FIDZWT includes a 64-KB on-chip boot ROM that supports NAND flash boot mode with hardware ECC correction for 1-bit error detection and correction. The device initializes using NAND page reads with configurable address mapping and supports both 8-bit and 16-bit wide NAND devices - a feature confirmed in the TNETV2666FIDZWT boot sequence documentation and verified in TI's C6424 bootloader application notes.
Is the TNETV2666FIDZWT pin-compatible with other C642x-series devices?
Yes, the TNETV2666FIDZWT in the 361-pin ZWT package is pin-compatible with other C642x devices sharing the same ZWT suffix, including the TMS320C6422ZWT and TMS320C6424ZWT. Pin assignments for power, ground, DDR2 signals, EMAC, McASP, and GPIOs are identical across this package variant - enabling hardware reuse and migration paths within the C642x family as documented in the TNETV2666FIDZWT pin multiplexing table.
TNETV2666FIDZWT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- TMS320C642x
- Package/Case:
- 361-LFBGA
- Packaging:
- Tray
- Product Status:
- Active
- Type:
- Fixed Point
- Interface:
- EBI/EMI, HPI, I2C, McASP, McBSP, UART, 10/100 Ethernet MAC
- Clock Rate:
- 400MHz
- Non-Volatile Memory:
- ROM (64kB)
- On-Chip RAM:
- 240kB
- Voltage - I/O:
- 1.8V, 3.3V
- Voltage - Core:
- 1.05V, 1.20V
- Operating Temperature:
- 0°C ~ 90°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 361-NFBGA (16x16)
TNETV2666FIDZWT FAQ
1.How can I place an order for TNETV2666FIDZWT through Aetrix?
Please submit a Request for Quotation (RFQ) for TNETV2666FIDZWT 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 TNETV2666FIDZWT reliable?
The price and inventory of TNETV2666FIDZWT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TNETV2666FIDZWT is usually 5 days.
3.What payment methods are accepted for TNETV2666FIDZWT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TNETV2666FIDZWT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TNETV2666FIDZWT?
TNETV2666FIDZWT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TNETV2666FIDZWT 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 TNETV2666FIDZWT?
For technical support, including TNETV2666FIDZWT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TNETV2666FIDZWT requirements.
6.How does Aetrix verify that TNETV2666FIDZWT is sourced from the original manufacturer or authorized distributors?
All TNETV2666FIDZWT 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 TNETV2666FIDZWT meets industry standards.
7.What is the process for return or replacement of TNETV2666FIDZWT?
All TNETV2666FIDZWT units undergo pre-shipment inspection (PSI). If there is an issue with TNETV2666FIDZWT, 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 TNETV2666FIDZWT part is unused and in its original packaging.
Return procedure for TNETV2666FIDZWT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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