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Texas Instruments TSB12LV32PZ
- Part No.:
- TSB12LV32PZ
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 100-LQFP
- Datasheet:
-
TSB12LV32PZ.pdf
- Description:
- IC GP LINK LAYER CNTRLR 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:125
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Product details
Overview
TSB12LV32PZ from Texas Instruments is a high-performance IEEE 1394a-2000 link-layer controller (LLC) for FireWire® interface implementation in computer peripherals and consumer A/V electronics. It supports 400/200/100 Mbps transfer rates, features dual-channel isochronous receive and quad-channel isochronous transmit, integrates 2-Kbyte GRF and 2-Kbyte ATF FIFOs, and operates from a single 3.3-V supply with 5-V tolerant I/O.
For engineers reviewing the TSB12LV32PZ datasheet, TSB12LV32PZ pinout, TSB12LV32PZ application, or TSB12LV32PZ equivalent, key selection criteria include IEEE 1394a compliance, microcontroller interface flexibility (8-/16-bit, ColdFire burst mode), isochronous channel count, FIFO architecture, and LQFP-100 package compatibility with TI physical-layer controllers.
Technical Context
The TSB12LV32PZ implements full IEEE 1394-1995 and P1394a-2000 link-layer functionality including cycle start packet generation/detection, 32-bit CRC calculation/verification, and transaction layer request handling to the PHY. It supports bus management roles-cycle master, bus manager, and IRM-with external CSR extension.
Its data-mover port handles unbuffered 8-/16-bit local bus transfers at up to 25 MHz for isochronous streaming and asynchronous packets. The internal FIFO separation (GRF for receive, ATF for transmit) enforces priority-based transmission, with ATF taking precedence during contention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IEEE Compliance | 1394-1995 and P1394a-2000 compliant; enables interoperability with legacy and high-performance FireWire systems. |
| Data Rates | 400 / 200 / 100 Mbps; selectable via PHY handshake; determines real-time bandwidth for audio/video streaming. |
| FIFO Capacity | 2-Kbyte General Receive FIFO (GRF) + 2-Kbyte Asynchronous Transmit FIFO (ATF); buffers inbound/outbound packet traffic without host intervention. |
| Isochronous Channels | 2 receive + 4 transmit channels; supports concurrent multi-stream real-time data paths (e.g., multichannel audio + video). |
| Host Interface | Programmable 8-/16-bit microcontroller interface with ColdFire burst mode support up to 60 MHz; enables glueless integration with TI and third-party MCUs. |
| Supply & I/O | Single 3.3-V core supply with 5-V tolerant bias terminals; simplifies power design and allows direct interfacing to 5-V logic without level shifters. |
| Operating Temperature | 0°C to +70°C; qualified for commercial-grade embedded peripheral and consumer electronics environments. |
Pinout & Package
LQFP-100 (PZ package), 14 mm × 14 mm body, 1.6 mm max height, exposed thermal pad, RoHS-compliant NIPDAU finish, MSL Level-3 (260°C peak reflow, 168 hr floor life).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLKIN | Reference clock input | Accepts 25-MHz clock for DM port operation; synchronizes data-mover transfers to external host timing. |
| PHYCLK | PHY interface clock output | Provides 24.576-MHz clock to TI physical-layer device; ensures synchronous 1394 link-layer/PHY handshaking. |
| DM[15:0] | Data-mover bus | Configurable 8-/16-bit bidirectional local bus; carries isochronous/asynchronous packets between host and LLC. |
| MCU[15:0] | Microcontroller interface bus | Separate 8-/16-bit host bus supporting byte/word accesses and endian swapping; interfaces to 68000/ColdFire processors. |
| RESETn | Active-low reset input | Asynchronous hardware reset; initializes internal registers, FIFO pointers, and state machines to known defaults. |
| VDD / VSS | Power / ground terminals | 3.3-V core supply pins distributed across package per TI LQFP layout guidelines; minimizes noise and IR drop. |
Key Features
| Feature | Design Value |
|---|---|
| Glueless MCU interface | Supports 68000 and ColdFire microcontrollers directly-no external logic required for address/data multiplexing or timing control. |
| Burst-mode DMA | Enables high-throughput data transfers using ColdFire burst cycles, reducing CPU overhead during large-block isochronous streaming. |
| Two-stage FIFO architecture | Independent GRF and ATF buffers prevent read/write collisions and enable simultaneous packet reception and transmission scheduling. |
| Bus holder isolation barrier | Integrated galvanic isolation prevents ground loop interference between host system and 1394 cable network, improving EMI robustness. |
| Backward compatibility | Hardware- and software-compatible with TSB12LV31 (GPLynx), enabling migration without firmware or PCB redesign. |
Applications
| Digital Audio Interface | Professional Video Capture |
|---|---|
Use Scenario: Connecting multichannel digital audio interfaces (e.g., ADAT, S/PDIF converters) to PC-based DAWs via FireWire. IC Role / Device Role / Timing Role: Link-layer controller managing isochronous time-division multiplexed audio streams with guaranteed latency and jitter control. Use Value: Delivers 24-bit/96-kHz audio over four independent isochronous channels while maintaining sample-accurate synchronization via cycle start packet handling. | Use Scenario: Real-time acquisition of uncompressed HD-SDI or DVCPRO HD video from camcorders into non-linear editing workstations. IC Role / Device Role / Timing Role: High-bandwidth FireWire LLC coordinating dual-channel isochronous receive for parallel video/audio payloads and asynchronous control messaging. Use Value: Sustains 400-Mbps sustained throughput with deterministic packet delivery, enabling zero-drop frame capture at 1080p60 resolution. |
| Gaming Peripheral Hub | Industrial Machine Vision |
Use Scenario: Aggregating multiple low-latency USB-to-FireWire bridge devices and motion-sensing peripherals in next-gen gaming consoles. IC Role / Device Role / Timing Role: Cycle master and bus manager orchestrating topology discovery, arbitration, and isochronous bandwidth allocation across dynamic node networks. Use Value: Enables sub-1-ms end-to-end latency for haptic feedback and motion tracking by leveraging hardware-accelerated packet formatting and CRC offload. | Use Scenario: High-speed image data transfer from line-scan cameras in automated optical inspection (AOI) systems operating in factory-floor environments. IC Role / Device Role / Timing Role: Isochronous resource manager (IRM) and PHY-link controller ensuring deterministic frame delivery under variable load and EMI stress. Use Value: Maintains pixel-perfect integrity across 12-bit monochrome image streams using hardware CRC validation and error-recovery packet retransmission logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar IEEE 1394 link-layer controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSB12LV31PZ | Lacks P1394a-2000 enhancements; no 400-Mbps support; single-channel isochronous transmit only. | Suitable for legacy 100/200-Mbps A/V gear where bandwidth and channel count are constrained. | Select when cost sensitivity outweighs need for high-speed isochronous scalability and backward compatibility is mandatory. |
| TSB41AB2PZ | Integrated PHY + LLC combo; eliminates external PHY requirement but increases power and reduces routing flexibility. | Preferred for space-constrained designs needing minimal BOM count and simplified layout, not for modular PHY/LLC partitioning. | Choose when board area is critical and PHY vendor lock-in is acceptable; avoid if TI TSB12LV32PZ's discrete PHY interface is required for signal integrity tuning. |
Compared with TSB12LV31PZ and TSB41AB2PZ, the TSB12LV32PZ uniquely balances full P1394a-2000 compliance, scalable isochronous channel count, and flexible glueless host interfacing-making it optimal for mid-to-high-tier FireWire peripherals requiring field-upgradable bandwidth and topology management.
Availability
TSB12LV32PZ is available at Aetrix Electronics and suitable for digital audio interfaces, professional video capture systems, gaming peripheral hubs, and industrial machine vision equipment requiring stable component supply and long-term FireWire interoperability.
Supply support for TSB12LV32PZ 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 delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and consumer applications.
The TSB12LV32PZ belongs to TI's FireWire® link-layer controller product line, engineered specifically to enable high-fidelity, low-latency serial digital interconnects in professional audio/video and real-time peripheral systems.
FAQ
What is the primary function of the TSB12LV32PZ in a FireWire system?
The TSB12LV32PZ serves as the IEEE 1394a-2000 link-layer controller, responsible for packet formatting, CRC generation/verification, cycle start handling, and isochronous resource management between the host processor and physical-layer device. Its role in the TSB12LV32PZ-based system is to ensure standards-compliant, deterministic data transport with hardware-accelerated buffering and routing-critical for real-time A/V applications.
Does the TSB12LV32PZ require an external physical-layer (PHY) device?
Yes, the TSB12LV32PZ requires an external PHY such as TI's TSB41BA3D or TSB41CB3, as it implements only the link-layer functions. The TSB12LV32PZ communicates with the PHY via the PHYCLK and differential data lines (TPA/TPB, RPA/RPB), and its design assumes a discrete PHY/LLC architecture-unlike integrated PHY+LLC parts like TSB41AB2PZ.
Can the TSB12LV32PZ operate with both 8-bit and 16-bit host microcontrollers?
Yes, the TSB12LV32PZ supports configurable 8-bit or 16-bit microcontroller interface modes with programmable endian swapping, enabling direct connection to processors including 68000, ColdFire, and other general-purpose MCUs. This flexibility is built into the TSB12LV32PZ's interface logic and does not require external glue logic or bus translators.
What is the purpose of the 2-Kbyte GRF and 2-Kbyte ATF FIFOs in the TSB12LV32PZ?
The 2-Kbyte General Receive FIFO (GRF) buffers incoming asynchronous and isochronous packets from the PHY before host readout, while the 2-Kbyte Asynchronous Transmit FIFO (ATF) holds outbound packets awaiting PHY transmission. In the TSB12LV32PZ, these dedicated FIFOs decouple host access timing from real-time link activity-enabling jitter-free streaming and preventing packet loss during host interrupt latency.
Is the TSB12LV32PZ compatible with legacy TSB12LV31-based designs?
Yes, the TSB12LV32PZ maintains full hardware and software compatibility with the TSB12LV31 (GPLynx), including register mapping, pinout, and data-mover functionality. Migration to the TSB12LV32PZ adds P1394a-2000 features-including 400-Mbps support and expanded isochronous channel count-without requiring PCB or firmware changes, making the TSB12LV32PZ a drop-in performance upgrade path.
TSB12LV32PZ 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:
- -
- Supplier Device Package:
- 100-LQFP (14x14)
- Grade:
- -
- Qualification:
- -
TSB12LV32PZ FAQ
1.How can I place an order for TSB12LV32PZ through Aetrix?
Please submit a Request for Quotation (RFQ) for TSB12LV32PZ 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 TSB12LV32PZ reliable?
The price and inventory of TSB12LV32PZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSB12LV32PZ is usually 5 days.
3.What payment methods are accepted for TSB12LV32PZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSB12LV32PZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSB12LV32PZ?
TSB12LV32PZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSB12LV32PZ 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 TSB12LV32PZ?
For technical support, including TSB12LV32PZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSB12LV32PZ requirements.
6.How does Aetrix verify that TSB12LV32PZ is sourced from the original manufacturer or authorized distributors?
All TSB12LV32PZ 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 TSB12LV32PZ meets industry standards.
7.What is the process for return or replacement of TSB12LV32PZ?
All TSB12LV32PZ units undergo pre-shipment inspection (PSI). If there is an issue with TSB12LV32PZ, 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 TSB12LV32PZ part is unused and in its original packaging.
Return procedure for TSB12LV32PZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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