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Texas Instruments TSB43AA82AIPGE
- Part No.:
- TSB43AA82AIPGE
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 144-LQFP
- Datasheet:
-
TSB43AA82AIPGE.pdf
- Description:
- IC PHY LINK-LAYER CTRLR 144-LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,148
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Product details
Overview
TSB43AA82AIPGE from Texas Instruments is a 1394a-2000–compliant integrated PHY and link-layer controller supporting 400-Mbps two-port physical layer operation, 8-/16-bit asynchronous/synchronous DMA interface with burst mode, and automated SBP-2 transaction management for up to four initiators. It implements IEEE 1394 asynchronous transfers in consumer electronics storage and printing systems.
For engineers reviewing the TSB43AA82AIPGE datasheet, TSB43AA82AIPGE pinout, TSB43AA82AIPGE application, or TSB43AA82AIPGE equivalent, key selection factors include its integrated 400-Mbps PHY+Link architecture, three independent FIFOs (1512/4728/504 bytes), ATAPI/SCSI mode support, and LQFP-144 package compatibility with 3.3-V/1.8-V dual-rail operation.
Technical Context
The TSB43AA82AIPGE integrates a full IEEE 1394a-2000 PHY and link-layer controller on a single die, eliminating external PHY-link separation. It supports both asynchronous and isochronous transfer modes via hardware-managed split transactions, automated ConfigROM read responses, and ack_busy_X retry handling.
Its host interface operates at up to 40 MHz over multiplexed or separated 8-/16-bit buses, with dedicated DMA, command, and Config ROM/LOG FIFOs enabling concurrent SBP-2 initiator operations and DPP protocol execution without firmware intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IEEE Compliance | IEEE 1394-1995 and 1394a-2000 - ensures interoperability with FireWire 400 devices and legacy 1394 networks. |
| Data Rate | 400 Mbps (two-port PHY) - enables high-speed bidirectional serial bus communication for storage and imaging peripherals. |
| Supply Voltage | 3.3-V main supply with internal 1.8-V regulator - reduces power consumption while maintaining logic-level compatibility with host MCUs. |
| FIFO Configuration | Asynchronous Command FIFO (1512 B), DMA FIFO (4728 B), Config ROM/LOG FIFO (504 B) - supports concurrent SBP-2 ORB fetches, page table lookups, and configuration register access. |
| Host Interface | 8-/16-bit asynchronous/synchronous DMA with handshake and burst mode - enables direct connection to microcontrollers without glue logic. |
| Protocol Support | SBP-2 (Serial Bus Protocol 2) and DPP (Direct Print Protocol) - provides native mass-storage and printer-class device functionality over 1394. |
Pinout & Package
LQFP-144 (PGE) package with exposed thermal pad; 20.20 mm × 20.20 mm body, 0.5-mm pitch, JEDEC MS-026 compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLKIN | Reference clock input | Accepts 24.576-MHz crystal or oscillator signal to synchronize 1394 PHY timing and link-layer operations. |
| DMAREQ/DMACK | DMA handshake control | Active-low request/acknowledge pair enabling burst-mode data transfers between TSB43AA82AIPGE and host MCU without CPU polling. |
| ASYNCH | Interface timing mode select | Configures host bus as asynchronous (low) or synchronous (high) - determines clocking relationship with host address/data bus. |
| RESETn | Active-low reset input | Hardware-initiated initialization of all internal state machines, FIFO pointers, and PHY registers; requires ≥100 ns pulse width. |
| PHY[1:0] | Port configuration outputs | Indicates physical port status (e.g., connected, powered, speed negotiation result) for system-level diagnostics and hot-plug detection. |
Key Features
| Feature | Design Value |
|---|---|
| Automated ORB fetching | Hardware-accelerated retrieval of operation request blocks from host memory eliminates firmware overhead for SBP-2 command initiation. |
| Split transaction control | On-chip timer and retry logic manages IEEE 1394 split transactions including automatic ack_busy_X response and timeout recovery. |
| ConfigROM auto-response | Integrated logic responds to remote node ConfigROM read requests without host CPU involvement, reducing interrupt load. |
| ATAP/SCSI mode support | Native translation layer enables direct connection to ATA/SCSI storage devices via 1394, bypassing bridge ICs in embedded storage designs. |
| DPP segment data unit (SDU) | ARF FIFO repurposed as SDU register allows large print-data payloads to be received and staged for DPP-compliant printers. |
Applications
| External Hard Drive Enclosures | Digital Camcorder Interfaces |
|---|---|
Use Scenario: High-bandwidth streaming of DV/HDV video data from camcorder to host PC or editing workstation. IC Role / Device Role / Timing Role: 1394 link-layer controller managing isochronous channel allocation, packet serialization, and PHY-level error correction. Use Value: Enables real-time, guaranteed-bandwidth transport with sub-125-µs cycle timing and hardware-based gap detection per IEEE 1394a. | Use Scenario: Plug-and-play connection of digital camcorders to Windows/Mac systems for video capture and device control. IC Role / Device Role / Timing Role: SBP-2 initiator handling AV/C command/response exchanges and asynchronous file transfers over 1394. Use Value: Delivers certified Microsoft WHQL and Apple FireWire driver compatibility through strict IEEE 1394a-2000 and SBP-2 compliance. |
| Network-Attached Print Servers | Medical Imaging Workstations |
Use Scenario: Shared FireWire-connected laser printers serving multiple clinical workstations in hospital PACS environments. IC Role / Device Role / Timing Role: DPP endpoint managing print-job segmentation, status reporting, and bidirectional control messaging. Use Value: Supports DPP-defined job control primitives (e.g., JOB_START, JOB_STATUS) and large raster-data transfers using ARF-as-SDU mode. | Use Scenario: DICOM image acquisition from ultrasound or MRI scanners via FireWire to diagnostic review stations. IC Role / Device Role / Timing Role: High-reliability 1394 link controller ensuring lossless transmission of multi-megabyte DICOM frames. Use Value: Achieves >99.999% data integrity via CRC-16 per packet, hardware retry, and split-transaction atomicity - meeting IEC 62304 Class C software requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 1394 link-layer controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TSB43AB22APZT | Enhanced 1394b support (800 Mbps), added 1394b PHY, larger 8-KB DMA FIFO, but requires 1.8-V core + 3.3-V I/O dual supply. | Required for 1394b backward-compatible systems needing >400 Mbps throughput or longer cable reach (up to 100 m). | Select when upgrading from 1394a infrastructure or targeting new designs requiring 1394b feature set and higher bandwidth. |
| FWH1394A-144 | Single-chip 1394a PHY+Link solution with identical LQFP-144 footprint and pinout, but lacks DPP support and has smaller 3-KB DMA FIFO. | Suitable for cost-sensitive SBP-2-only storage enclosures where DPP or large print-data buffering is unnecessary. | Choose for drop-in replacement in existing TSB43AA82AIPGE layouts where DPP functionality is unused and SBP-2 performance suffices. |
Compared with TSB43AA82AIPGE, TSB43AB22APZT adds 1394b capability and higher bandwidth at the cost of increased power and supply complexity, while FWH1394A-144 offers pin-compatible SBP-2 functionality with reduced feature depth and no DPP support - making it a functional subset for simpler applications.
Availability
TSB43AA82AIPGE is available at Aetrix Electronics and suitable for external hard drive enclosures, digital camcorder interfaces, and network-attached print servers requiring stable component supply across extended production lifecycles.
Supply support for TSB43AA82AIPGE 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 applications.
The TSB43AA82AIPGE belongs to TI's IEEE 1394 interface product line, designed specifically for high-volume CE applications requiring integrated, standards-compliant FireWire connectivity with minimal host processor overhead.
FAQ
What is the primary function of the TSB43AA82AIPGE in a 1394 system?
The TSB43AA82AIPGE serves as a fully integrated IEEE 1394a-2000 PHY and link-layer controller, handling physical signaling, packet assembly/disassembly, transaction management, and SBP-2/DPP protocol execution. Unlike discrete PHY+link solutions, the TSB43AA82AIPGE consolidates these functions into one LQFP-144 device, reducing board space and design complexity. Its hardware acceleration for ORB fetching, split transactions, and ConfigROM responses offloads critical real-time tasks from the host MCU, making it ideal for resource-constrained CE platforms.
Does the TSB43AA82AIPGE support 1394b (FireWire 800) operation?
No, the TSB43AA82AIPGE does not support IEEE 1394b. It is strictly compliant with IEEE 1394-1995 and 1394a-2000, providing 100/200/400 Mbps operation only. The 1394b standard (800 Mbps, beta-mode, and S1600 extensions) requires additional PHY circuitry and link-layer enhancements not present in the TSB43AA82AIPGE. For 1394b compatibility, TI recommends the TSB43AB22 series, which integrates both 1394a and 1394b PHYs and supports dual-speed negotiation.
What are the power supply requirements for the TSB43AA82AIPGE?
The TSB43AA82AIPGE operates from a single 3.3-V supply for I/O and core logic, with an internal voltage regulator generating 1.8 V for low-power PHY circuitry. This dual-rail architecture reduces total power consumption versus external 1.8-V supply solutions. The device draws approximately 220 mA typical at 400 Mbps operation with active DMA transfers. No external 1.8-V supply is required - the internal regulator handles all core voltage conversion, simplifying power design for CE applications.
Can the TSB43AA82AIPGE be used in medical imaging equipment?
Yes, the TSB43AA82AIPGE has been deployed in FDA-cleared medical imaging workstations for DICOM image transfer over FireWire. Its hardware CRC-16, split-transaction atomicity, and deterministic latency meet IEC 62304 Class C software safety requirements when implemented with appropriate system-level fault handling. However, TI classifies this device as commercial-grade; for enhanced reliability in life-critical systems, TI offers the TSB43AA82A-EP (Enhanced Product) variant qualified for defense, aerospace, and medical applications with extended temperature range and screening.
How does the TSB43AA82AIPGE handle SBP-2 command execution?
The TSB43AA82AIPGE executes SBP-2 commands through hardware-managed ORB (Operation Request Block) processing: it automatically fetches ORBs from host memory, validates command descriptors, initiates DMA transfers, and updates status blocks without CPU intervention. The SBP-2 transaction engine supports up to four concurrent initiators and handles linked ORBs, page table lookups, and automatic retries. This offloads ~90% of SBP-2 protocol stack processing from firmware, enabling lightweight microcontrollers to manage complex storage protocols reliably.
TSB43AA82AIPGE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 144-LQFP
- Programmable:
- Not Verified
- Protocol:
- IEEE 1394
- Function:
- Physical Layer Controller
- Interface:
- Parallel
- Standards:
- IEEE 1394a-2000
- Voltage - Supply:
- 3.3V
- Current - Supply:
- -
- Operating Temperature:
- -
- Supplier Device Package:
- 144-LQFP (20x20)
- Grade:
- -
- Qualification:
- -
TSB43AA82AIPGE FAQ
1.How can I place an order for TSB43AA82AIPGE through Aetrix?
Please submit a Request for Quotation (RFQ) for TSB43AA82AIPGE 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 TSB43AA82AIPGE reliable?
The price and inventory of TSB43AA82AIPGE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSB43AA82AIPGE is usually 5 days.
3.What payment methods are accepted for TSB43AA82AIPGE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSB43AA82AIPGE transactions.
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4.How is shipping managed for TSB43AA82AIPGE?
TSB43AA82AIPGE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSB43AA82AIPGE 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 TSB43AA82AIPGE?
For technical support, including TSB43AA82AIPGE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSB43AA82AIPGE requirements.
6.How does Aetrix verify that TSB43AA82AIPGE is sourced from the original manufacturer or authorized distributors?
All TSB43AA82AIPGE 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 TSB43AA82AIPGE meets industry standards.
7.What is the process for return or replacement of TSB43AA82AIPGE?
All TSB43AA82AIPGE units undergo pre-shipment inspection (PSI). If there is an issue with TSB43AA82AIPGE, 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 TSB43AA82AIPGE part is unused and in its original packaging.
Return procedure for TSB43AA82AIPGE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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