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Texas Instruments TSB43CA43AGGW
- Part No.:
- TSB43CA43AGGW
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- -
- Datasheet:
-
TSB43CA43AGGW.pdf
- Description:
- SERIAL I/O CONTROLLER
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Product details
Overview
TSB43CA43AGGW from Texas Instruments is an IEEE 1394a-2000 link-layer controller with integrated ARM7TDMI microprocessor, 400 Mbps 3-port PHY, 256 KB on-chip program memory, and DTLA-compliant MPEG2-DVB/DSS encryption/decryption hardware. It serves as a complete 1394 interface solution for digital AV consumer electronics, enabling secure transport stream handling in set-top boxes and DVD recorders.
For engineers reviewing the TSB43CA43AGGW datasheet, TSB43CA43AGGW pinout, TSB43CA43AGGW application, or TSB43CA43AGGW equivalent, key selection criteria include its dual HSDI ports with M6 cipher engines, IEC 61883-4/6 compliance, 176-pin BGA GGW package, UART/JTAG debug support, and bus manager capability for self-ID automation.
Technical Context
The TSB43CA43AGGW implements a full IEEE 1394a-2000 link-layer stack with hardware-accelerated DTLA encryption using two M6 baseline ciphers-one per HSDI port-and supports AES-based content key generation via exchange key. Its ARM7TDMI core executes 1394 transaction processing independently of the host CPU.
It integrates a 3-port PHY compliant with IEEE 1394-1995 and 1394a-2000, operating at 100/200/400 Mbps, and provides three external interface types: 16-bit parallel asynchronous, synchronous I/O, and synchronous memory modes-enabling flexible host CPU coupling without protocol translation overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IEEE Standard Compliance | IEEE 1394-1995 and 1394a-2000; enables interoperability with legacy and enhanced FireWire devices |
| PHY Speed | 100/200/400 Mbps; supports backward-compatible operation across all FireWire generations |
| Encryption Engine | Two M6 baseline ciphers (one per HSDI); enables simultaneous encrypted MPEG2-DVB and DSS transport stream handling |
| On-chip Memory | 256 KB program memory; eliminates need for external code storage and reduces BOM count |
| CPU Core | ARM7TDMI; offloads 1394 transaction processing from host CPU, reducing system-level latency and firmware complexity |
| Host Interface | 16-bit parallel synchronous memory mode; allows direct connection to common embedded processors without glue logic |
| FIFO Capacity | 16.5 KB total data buffer; accommodates bursty AV packet traffic while maintaining low-latency streaming |
Pinout & Package
TSB43CA43AGGW is housed in a 176-ball microstar BGA (GGW) package with 0.8 mm ball pitch and JEDEC MO-220 standard footprint. Thermal and mechanical design requires adherence to TI's recommended land pattern and reflow profile for Level-3 moisture sensitivity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO / VDDA | Power supply inputs | Separate 3.3-V domains for I/O and analog PHY sections; require independent decoupling for noise isolation |
| CLKIN | Reference clock input | Accepts 24.576 MHz crystal or oscillator; drives internal PLL to generate 50-MHz system clock |
| HSDI0[7:0], HSDI1[7:0] | High-speed data interfaces | Dual 8-bit parallel ports supporting MPEG2-DVB, DSS, DV, and IEC60958 audio formats with programmable timing |
| ASYNC_ACK | Acknowledge FIFO control | Dedicated FIFO reduces CPU polling burden during asynchronous packet acknowledgment |
| JTAG_TCK/TMS/TDI/TDO | Boundary scan/debug interface | Enables post-assembly I/O testing and ARM7 software debugging without host CPU involvement |
| GPIO[10:0] | General-purpose I/O | 11 configurable pins usable for status signaling, interrupt generation, or peripheral control in CE applications |
Key Features
| Feature | Design Value |
|---|---|
| Integrated ARM7TDMI core | Executes 1394 link-layer protocol stack autonomously, freeing host CPU resources for application tasks |
| DTLA-compliant encryption/decryption | Hardware-accelerated M6 cipher engines enable real-time MPEG2 transport stream protection without software overhead |
| 3-port 400 Mbps PHY | Supports daisy-chain or star topology with two downstream ports, simplifying multi-device 1394 network design |
| IEC 61883-4/6 and Audio Music Protocol support | Enables standards-compliant packetization of MPEG2 transport streams and multi-channel audio over 1394 |
| UART and JTAG interfaces | Provides dual debug paths: UART for runtime logging and JTAG for low-level firmware development and boundary scan |
Applications
| Digital Set-Top Box | DVD Recorder with 1394 Input |
|---|---|
Use Scenario: Receiving encrypted MPEG2-DVB transport streams from satellite tuner modules via 1394 interface. IC Role / Device Role / Timing Role: Link-layer controller and DTLA decryption engine; handles self-ID, packet parsing, and real-time M6 cipher decryption before demuxing. Use Value: Eliminates need for external decryption ASIC and reduces latency by executing decryption in dedicated hardware with <10 µs throughput. | Use Scenario: Capturing DV video from camcorders and storing encrypted MPEG2-DSS streams onto internal HDD. IC Role / Device Role / Timing Role: 1394 link-layer + PHY + encryption co-processor; manages isochronous bandwidth allocation and performs on-the-fly DSS encryption. Use Value: Enables secure recording path compliant with DTLA licensing requirements while maintaining sub-frame jitter (<50 ns) for DV timing integrity. |
| AV Receiver with 1394 Audio Hub | Professional Broadcast Monitor |
Use Scenario: Aggregating multi-channel audio streams from multiple 1394-connected sources (CD player, media server, DAC) into a unified mixing matrix. IC Role / Device Role / Timing Role: IEC 61883-6 audio packetizer and bus manager; performs sample-rate conversion coordination and timestamp synchronization. Use Value: Supports up to 16 simultaneous audio channels with guaranteed isochronous delivery and <1 µs inter-channel skew. | Use Scenario: Real-time monitoring of encrypted broadcast feeds (DVB-S2) with forensic watermarking and timestamp validation. IC Role / Device Role / Timing Role: Secure 1394 interface with SHA-1 and EC-DH acceleration; verifies content authenticity and decrypts transport streams prior to display processing. Use Value: Provides hardware-accelerated elliptic curve signature verification and key exchange, reducing authentication latency to <2 ms per frame. |
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 |
|---|---|---|---|
| TSB43CB43APGF | No DTLA encryption/decryption hardware; identical ARM7 core, PHY, and IEC 61883 support | Suitable for non-encrypted AV routing where DTLA licensing is not required | Select when cost reduction and simplified licensing outweigh need for hardware encryption |
| TSB43CA42PGF | Same DTLA features but lacks UART interface; uses LQFP-176 instead of BGA GGW | Better suited for prototyping or space-tolerant designs where BGA assembly is impractical | Select when JTAG-only debug suffices and PCB rework tolerance favors LQFP over BGA |
Compared with TSB43CA43AGGW, TSB43CB43APGF removes encryption capability but retains full 1394 protocol handling, while TSB43CA42PGF offers identical security features in a leaded package with reduced debug flexibility-making TSB43CA43AGGW optimal for high-density, production-ready encrypted AV systems requiring UART visibility.
Availability
TSB43CA43AGGW is available at Aetrix Electronics and suitable for digital set-top boxes, DVD recorders, AV receivers, and professional broadcast monitors requiring stable component supply and long-term lifecycle support.
Supply support for TSB43CA43AGGW 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 specializing in analog, embedded processing, and connectivity technologies for industrial, automotive, and consumer markets.
The iceLynx-Micro product line-including TSB43CA43AGGW-is designed specifically for high-volume consumer electronics applications requiring integrated 1394 link-layer control, real-time encryption, and low-host-CPU-footprint AV interfacing.
FAQ
What is the primary function of the TSB43CA43AGGW in a 1394-based AV system?
The TSB43CA43AGGW serves as a complete IEEE 1394a-2000 link-layer controller with integrated PHY and ARM7TDMI processor. In AV systems, it handles packet formatting per IEC 61883-4/6, performs DTLA-compliant encryption/decryption of MPEG2-DVB/DSS streams, manages bus topology via self-ID, and relieves the host CPU of low-level 1394 protocol processing. Its dual HSDI ports allow concurrent handling of video and audio transport streams, making TSB43CA43AGGW essential for secure, standards-compliant digital AV interconnects.
Does the TSB43CA43AGGW support both 100 Mbps and 400 Mbps FireWire speeds?
Yes, the TSB43CA43AGGW's integrated 3-port PHY fully supports IEEE 1394-1995 and 1394a-2000, enabling automatic negotiation and operation at 100 Mbps, 200 Mbps, and 400 Mbps. The PHY dynamically adapts to connected device capabilities and cable length, maintaining signal integrity across all supported rates. This multirate capability ensures backward compatibility with legacy FireWire peripherals while delivering maximum throughput for modern AV equipment-critical for real-time DV and MPEG2 transport in TSB43CA43AGGW-based designs.
How does the TSB43CA43AGGW implement DTLA-compliant encryption?
The TSB43CA43AGGW implements DTLA compliance through two dedicated M6 baseline cipher engines-one per HSDI port-capable of real-time encryption and decryption of MPEG2 transport streams per the 5C specification. It also includes hardware acceleration for SHA-1 hashing, EC-DH key exchange, and EC-DSA signature verification. These functions are executed entirely in silicon without host CPU intervention, ensuring deterministic latency and cryptographic integrity. Because TSB43CA43AGGW embeds these features, system designers avoid external crypto ICs and associated licensing complexities-making TSB43CA43AGGW a turnkey solution for DTLA-enabled products.
What package type and pin count does the TSB43CA43AGGW use?
The TSB43CA43AGGW uses a 176-ball microstar BGA package with GGW designation, 0.8 mm ball pitch, and MO-220 compliant footprint. It contains 176 I/O balls including power, ground, signal, and test terminals. This BGA variant is optimized for high-density consumer electronics PCBs and requires controlled-environment reflow due to its Level-3 moisture sensitivity rating (260°C peak, 168-hour floor life). The GGW package differs from the PGF (LQFP-176) and ZGW (green BGA) variants in solder mask definition and thermal pad configuration-confirming that TSB43CA43AGGW must be sourced specifically in GGW for compatible layout implementation.
Can the TSB43CA43AGGW operate without an external microcontroller?
The TSB43CA43AGGW integrates an ARM7TDMI core with 256 KB on-chip program memory, allowing it to execute standalone 1394 protocol stacks-including bus management, self-ID, and packet formatting-without relying on an external host microcontroller. However, for full system functionality (e.g., UI control, conditional access, or file system management), it typically operates as a peripheral under host CPU supervision via its 16-bit parallel interface. The embedded ARM7 is not intended as a general-purpose application processor but rather as a dedicated 1394 offload engine-so while TSB43CA43AGGW can run autonomously for basic link-layer tasks, full AV system operation requires coordinated host interaction.
TSB43CA43AGGW Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- -
- Programmable:
- Not Verified
- Protocol:
- -
- Function:
- -
- Interface:
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- Standards:
- -
- Voltage - Supply:
- -
- Current - Supply:
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- Operating Temperature:
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- Supplier Device Package:
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- Qualification:
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TSB43CA43AGGW FAQ
1.How can I place an order for TSB43CA43AGGW through Aetrix?
Please submit a Request for Quotation (RFQ) for TSB43CA43AGGW 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 TSB43CA43AGGW reliable?
The price and inventory of TSB43CA43AGGW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TSB43CA43AGGW is usually 5 days.
3.What payment methods are accepted for TSB43CA43AGGW?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TSB43CA43AGGW transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TSB43CA43AGGW?
TSB43CA43AGGW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TSB43CA43AGGW 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 TSB43CA43AGGW?
For technical support, including TSB43CA43AGGW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TSB43CA43AGGW requirements.
6.How does Aetrix verify that TSB43CA43AGGW is sourced from the original manufacturer or authorized distributors?
All TSB43CA43AGGW 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 TSB43CA43AGGW meets industry standards.
7.What is the process for return or replacement of TSB43CA43AGGW?
All TSB43CA43AGGW units undergo pre-shipment inspection (PSI). If there is an issue with TSB43CA43AGGW, 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 TSB43CA43AGGW part is unused and in its original packaging.
Return procedure for TSB43CA43AGGW:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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