Texas Instruments TSB82AA2BIPGE

Overview

TSB82AA2BIPGE from Texas Instruments is a discrete IEEE 1394b OHCI-Lynx™ link-layer controller IC that bridges a 33-MHz/32-bit or 64-bit PCI bus to an IEEE 1394b physical layer (PHY), supporting S100–S800 data rates (100–800 Mbit/s). It delivers 264 MB/s peak throughput in 64-bit PCI mode, features 5-KB asynchronous transmit and 2-KB isochronous transmit/receive FIFOs, and operates on a single 3.3-V supply with internal 1.8-V core regulation. It is used in high-end PCs and S800 RAID/SAN peripherals for real-time DV and MPEG streaming.

For engineers reviewing the TSB82AA2BIPGE datasheet, TSB82AA2BIPGE pinout, TSB82AA2BIPGE application, or TSB82AA2BIPGE equivalent, key selection criteria include PCI interface width configurability (32/64-bit), D0–D3hot/cold power state compliance, hardware-accelerated CIP header stripping for DV streams, deep FIFO buffering for latency tolerance, and TI extension register support for timestamp offset and digital video enhancements.

Technical Context

The TSB82AA2BIPGE implements a full OHCI-compliant link-layer controller with memory-mapped registers accessible via non-prefetchable PCI I/O space. Its architecture includes dedicated asynchronous and isochronous context engines, dual-buffered isochronous receive paths, and hardware timestamp insertion for transmitted DV/MPEG streams per IEC 61883-1.

It integrates TI-specific extensions-including the Isochronous Receive Digital Video Enhancements Register (offset A80h), Timestamp Offset Register, and Link Enhancement Register-to enable synchronized audio/video packet handling, physical write posting up to three outstanding transactions, and cycle timer synchronization via CYCLEIN/CYCLEOUT GPIO functionality.

Key Specifications

Pinout & Package

TSB82AA2BIPGE is packaged in a 144-terminal LQFP (PGE) RoHS-compliant lead-free package with exposed thermal pad. Pin assignments are defined for the PGE variant per Figure 2−1 and Table 2−1 of SCPS172A.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar IEEE 1394b link-layer controller applications.

Compared with TSB82AA2BPGE, the TSB82AA2BIPGE adds industrial temperature qualification and identical feature set; versus VT6315AP, it enables S800 throughput, DV-specific hardware acceleration, and deeper power management - making it the only choice for high-fidelity, real-time 1394b subsystems.

Availability

TSB82AA2BIPGE is available at Aetrix Electronics and suitable for professional AV capture systems, industrial machine vision platforms, medical imaging workstations, and S800 RAID/SAN storage controllers requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for TSB82AA2BIPGE 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 focused on analog, embedded processing, and connectivity solutions, with decades of leadership in interface and controller ICs.

The TSB82AA2BIPGE belongs to TI's OHCI-Lynx™ 1394b controller product line, designed specifically for high-throughput, low-latency, power-aware IEEE 1394b host interfaces in PC and embedded systems.

FAQ

What is the maximum serial bus data rate supported by the TSB82AA2BIPGE?

The TSB82AA2BIPGE supports IEEE 1394b S800 data rate (786.432 Mbit/s), fully backward compatible with S100, S200, and S400. This is achieved through auto-negotiation with a compliant 1394b PHY device such as the TSB81BA3, and confirmed in Section 1.1 of the SCPS172A datasheet.

Does the TSB82AA2BIPGE require an external voltage regulator?

No - the TSB82AA2BIPGE integrates an efficient 3.3-V-to-1.8-V regulator. The REG18 pin outputs the regulated 1.8-V core supply, and REG_EN enables the regulator. This eliminates need for external DC/DC conversion and simplifies PCB layout, as documented in Section 1.1 and Table 2−4 of SCPS172A.

How does the TSB82AA2BIPGE handle isochronous digital video streams?

The TSB82AA2BIPGE implements hardware CIP header stripping for received DV streams and automatic timestamp insertion for transmitted DV/MPEG packets via its TI extension registers (e.g., offset A80h). These functions comply with IEC 61883-1 and ensure cycle-accurate synchronization without CPU overhead, as detailed in Sections 1.1 and 5.4 of SCPS172A.

Is the TSB82AA2BIPGE pin-compatible with earlier TI 1394 controllers like the TSB82AA2?

No - the TSB82AA2BIPGE is not pin-compatible with the original TSB82AA2. It uses a 144-pin LQFP (PGE) package with revised signal mapping, including added 64-bit PCI extensions and TI-specific control pins. Pin compatibility is limited to same-family variants (e.g., TSB82AA2BPGE), per Figure 2−1 and Table 2−1 in SCPS172A.

What power management states does the TSB82AA2BIPGE support?

The TSB82AA2BIPGE fully supports PCI-defined D0, D1, D2, and D3hot/cold power states per the PCI Power-Management Specification and PC 2001 Design Guide. PME wake events are implemented but depend on OS-level driver support, as specified in Section 1.1 and Table 3−17 of SCPS172A.