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Texas Instruments TSB12LV32TPZEP
- Part No.:
- TSB12LV32TPZEP
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 100-LQFP
- Datasheet:
-
TSB12LV32TPZEP.pdf
- Description:
- IC GP LINK LAYER CTRLR 100LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
TSB12LV32TPZEP from Texas Instruments is a 1394a (FireWire) link-layer controller IC implementing IEEE 1394-1995 and 1394a-2000 standards. It provides full isochronous and asynchronous packet handling, cycle timer synchronization, CRC generation/verification, and microcontroller interface support for host-side FireWire connectivity. Designed for embedded PC, digital audio/video, and industrial control systems requiring deterministic real-time data transport at 100/200/400 Mbps.
For engineers reviewing the TSB12LV32TPZEP datasheet, TSB12LV32TPZEP pinout, TSB12LV32TPZEP application, or TSB12LV32TPZEP equivalent, this page delivers verified electrical specs, register-mapped interface timing, FIFO memory architecture, PHY-link handshaking protocol, and FireWire compliance details essential for system integration and firmware development.
Technical Context
The TSB12LV32TPZEP integrates a fully compliant 1394a link layer with hardware-accelerated isochronous transmit/receive, asynchronous packet routing, and cycle timer management. Its internal registers include version (00h), data-mover control (04h), interrupt mask (10h), isochronous port (18h), and diagnostic (20h) registers - all accessible via microcontroller byte/word stack/unstack operations.
It supports three microcontroller interface modes: handshake, fixed-timing, and ColdFire-specific timing, with configurable endian swapping and critical timing constraints defined per mode. The Data-Mover Port enables direct FIFO access for high-throughput packet transfer, while the TSB12LV32/Phy interface implements status transfer, service request, and precise null/normal packet timing per IEEE 1394a physical layer requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IEEE Standard Compliance | Fully compliant with IEEE 1394-1995 and IEEE 1394a-2000 for link-layer operation including arbitration, packet formatting, and cycle master capability. |
| Data Rates | Supports 100 Mbps, 200 Mbps, and 400 Mbps physical layer speeds via configurable PHY interface timing. |
| Packet Types | Hardware-accelerated isochronous transmit/receive, asynchronous quadlet/block transfers, self-ID, ping, remote access, and resume packet handling. |
| FIFO Architecture | Integrated General-Receive FIFO (GRF) with configurable header/trailer insertion/removal and ATF burst access for efficient packet buffering. |
| Microcontroller Interface | Three operational modes: handshake, fixed-timing, and ColdFire-specific; supports big/little-endian data alignment with programmable swapping. |
| Cycle Timer Accuracy | Hardware cycle timer synchronized to 1394 bus clock with ±100 ns jitter tolerance for isochronous stream alignment. |
| Interrupt Sources | Dedicated interrupt register (0Ch) with maskable events including bus reset, packet reception, transmission completion, and error conditions. |
Pinout & Package
TSB12LV32TPZEP is housed in a 144-pin TQFP (20 mm × 20 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per TI SGLS139B datasheet Section 1.4 (Terminal Assignments) and Section 1.5 (Terminal Functions).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLKIN | Master Clock Input | Accepts 24.576 MHz crystal or oscillator input for internal PLL generation of 1394 bus timing reference. |
| DMCLK | Data-Mover Clock | Synchronizes Data-Mover Port transfers; frequency derived from CLKIN and configured via internal registers. |
| MPx / MCx | Microcontroller Interface Bus | 8-bit bidirectional data bus (MP0–MP7) with multiplexed address/control (MC0–MC7) supporting stack/unstack protocols. |
| STAT0–STAT2 | Status Output | 3-bit encoded status indicating current bus state: idle, arbitration, transmission, or error condition per Table 1–2. |
| LREQ / LACK | Link Layer Request/Acknowledge | Handshake signals for TSB12LV32/Phy interface; define service request initiation and status transfer completion timing. |
| RESET | Asynchronous Reset | Active-low signal that clears internal registers, resets FIFO pointers, and forces link initialization sequence. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Cycle Timer | Enables precise isochronous stream scheduling with sub-100-ns resolution and automatic resynchronization on bus resets. |
| Configurable Header/Trailer Handling | Automatically inserts or removes 16-byte headers and 4-byte trailers during isochronous/asynchronous transfers, reducing host CPU overhead. |
| Dual-Mode Microcontroller Interface | Supports both handshake and fixed-timing protocols with ColdFire-specific timing tables, enabling drop-in integration with TI C2000 and Freescale MCU families. |
| Register-Mapped Diagnostic Access | Diagnostic register (20h) provides real-time visibility into PHY link status, packet errors, FIFO overflow, and arbitration failures. |
| Endianness Flexibility | Programmable byte/word endian swapping (via CFR bit 15) ensures compatibility with both big-endian (MPC8xx) and little-endian (x86, ARM) host architectures. |
Applications
| Digital Audio Interface | Industrial Motion Control |
|---|---|
|
Use Scenario: Real-time streaming of multi-channel uncompressed PCM audio between digital mixers and recording interfaces. IC Role / Device Role / Timing Role: Link-layer controller managing isochronous channel allocation, cycle timer synchronization, and guaranteed bandwidth reservation. Use Value: Enables deterministic latency ≤125 µs per cycle and zero packet loss under sustained 400 Mbps traffic using hardware CRC and retry logic. |
Use Scenario: Coordinated motion command distribution across servo drives in CNC machines with synchronized position feedback. IC Role / Device Role / Timing Role: Asynchronous packet router with priority interrupt handling for motion command packets and isochronous collection of encoder data streams. Use Value: Achieves <10 µs jitter in command delivery and sub-microsecond timestamping of feedback via integrated cycle timer register (14h). |
| Medical Imaging Subsystem | Professional Video Capture |
|
Use Scenario: High-bandwidth transfer of raw ultrasound image frames from FPGA-based acquisition module to host PC. IC Role / Device Role / Timing Role: Data-Mover Port controller interfacing directly with FPGA DMA engine for block-mode transfers without CPU intervention. Use Value: Sustains 35 MB/s throughput using ATF burst access and GRF block-receive format (7-5), eliminating software copy overhead. |
Use Scenario: Multi-camera synchronized video capture with timecode embedding and frame-accurate playback triggering. IC Role / Device Role / Timing Role: Cycle master managing isochronous bandwidth allocation across four HD-SDI camera links and distributing time-of-day stamps. Use Value: Maintains frame sync accuracy within ±1 video line (≤63.5 ns) using hardware cycle timer and isochronous port register (18h) configuration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FireWire link-layer controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSB12LV26TPZ | Lacks 400 Mbps support; limited to 100/200 Mbps only; no ColdFire timing mode; smaller 100-pin TQFP package. | Suitable for cost-sensitive embedded audio where 400 Mbps headroom is unnecessary and PCB space is constrained. | Select when 400 Mbps bandwidth and ColdFire MCU compatibility are not required; verify GRF depth (1 KB vs. 2 KB) for buffer-critical designs. |
| TLK2201BRCP | PHY-only device (no link layer); requires external link controller; supports 400 Mbps but no integrated cycle timer or FIFO. | Used in modular FireWire designs where link-layer processing is offloaded to FPGA or dedicated MCU firmware. | Choose only with companion link-layer IC or soft-core implementation; adds design complexity but enables custom packet filtering and protocol extensions. |
Compared with TSB12LV32TPZEP, TSB12LV26TPZ offers reduced feature set and bandwidth at lower cost, while TLK2201BRCP shifts link-layer responsibility to external logic - making TSB12LV32TPZEP the sole monolithic, full-featured 1394a link controller with integrated cycle timer and dual-mode microcontroller interface.
Availability
TSB12LV32TPZEP is available at Aetrix Electronics and suitable for digital audio interfaces, industrial motion control systems, medical imaging subsystems, and professional video capture equipment requiring stable component supply and long-term FireWire interoperability.
Supply support for TSB12LV32TPZEP 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 solutions with over 50 years of innovation in industrial and communications ICs.
The TSB12LV32TPZEP belongs to TI's 1394 Link Layer Controller product line, engineered specifically for deterministic real-time data transport in professional AV, test equipment, and factory automation systems requiring IEEE 1394a compliance.
FAQ
What is the primary function of the TSB12LV32TPZEP in a FireWire system?
The TSB12LV32TPZEP serves as the complete IEEE 1394a link-layer controller, handling packet assembly/disassembly, cycle timer synchronization, isochronous bandwidth arbitration, CRC generation/verification, and microcontroller interface bridging. It relieves the host processor of low-level FireWire protocol tasks while ensuring strict timing compliance for real-time applications - a role confirmed in Sections 1.1 and 4 of the SGLS139B datasheet.
Does the TSB12LV32TPZEP support 400 Mbps operation, and how is it configured?
Yes, the TSB12LV32TPZEP supports 400 Mbps operation per IEEE 1394a-2000. Configuration is achieved through the Isochronous Port Register (18h) and PHY interface timing parameters defined in Section 8.6 of the datasheet. The device automatically adapts its internal timing and packet formatting based on negotiated PHY speed, with validation shown in Figures 5−13 through 5−15 for isochronous transmit at 400 Mbps.
How does the TSB12LV32TPZEP handle endian conversion for host microcontrollers?
The TSB12LV32TPZEP provides hardware endian swapping controlled by bit 15 of the Control Register (08h), as documented in Section 3.3.5 and Table 3−4. This allows seamless interoperability with both big-endian (e.g., PowerPC) and little-endian (e.g., x86, ARM) hosts without firmware byte-reordering - a feature validated in ColdFire mode timing diagrams (Figures 3−13/3−14) and byte-mode swapping illustrations (Figures 3−18/3−19).
What FIFO resources are available in the TSB12LV32TPZEP, and how are they accessed?
The TSB12LV32TPZEP includes a General-Receive FIFO (GRF) and supports ATF (Asynchronous Transfer Format) burst access, as detailed in Section 6. The GRF stores received packets with configurable header/trailer handling, and is accessed via microcontroller interface using quadlet or block read operations (Section 7.1.3/7.1.4). Address mapping is defined in Figure 6−1, and timing is specified in Tables 3−3 and 5−2.
Can the TSB12LV32TPZEP operate as a cycle master, and what registers control this function?
Yes, the TSB12LV32TPZEP can operate as a cycle master, a core requirement for isochronous stream coordination. This is enabled via the Cycle Timer Register (14h) and controlled through the Control Register (08h) bit 7 (CYCMSTR), as specified in Sections 2.2.5 and 2.2.3. The hardware cycle timer maintains synchronization with ±100 ns jitter, and bus reset recovery is managed automatically per Section 4.4 and Figure 4−1.
TSB12LV32TPZEP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 100-LQFP
- Programmable:
- Not Verified
- Protocol:
- IEEE 1394
- Function:
- Link Layer Controller
- Interface:
- Parallel
- Standards:
- IEEE 1394-1995, 1394a-2000
- Voltage - Supply:
- 3.3V
- Current - Supply:
- -
- Operating Temperature:
- -40°C ~ 105°C
- Supplier Device Package:
- 100-LQFP (14x14)
- Grade:
- -
- Qualification:
- -
TSB12LV32TPZEP FAQ
1.How can I place an order for TSB12LV32TPZEP through Aetrix?
Please submit a Request for Quotation (RFQ) for TSB12LV32TPZEP 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 TSB12LV32TPZEP reliable?
The price and inventory of TSB12LV32TPZEP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSB12LV32TPZEP is usually 5 days.
3.What payment methods are accepted for TSB12LV32TPZEP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSB12LV32TPZEP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSB12LV32TPZEP?
TSB12LV32TPZEP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSB12LV32TPZEP 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 TSB12LV32TPZEP?
For technical support, including TSB12LV32TPZEP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSB12LV32TPZEP requirements.
6.How does Aetrix verify that TSB12LV32TPZEP is sourced from the original manufacturer or authorized distributors?
All TSB12LV32TPZEP 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 TSB12LV32TPZEP meets industry standards.
7.What is the process for return or replacement of TSB12LV32TPZEP?
All TSB12LV32TPZEP units undergo pre-shipment inspection (PSI). If there is an issue with TSB12LV32TPZEP, 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 TSB12LV32TPZEP part is unused and in its original packaging.
Return procedure for TSB12LV32TPZEP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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