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1394 CE PHY devices secure content

Posted: 04 Nov 2008 ?? ?Print Version ?Bookmark and Share

Keywords:consumer electronics? PHY device? interface? content security?

Texas Instruments Inc. has developed two consumer electronics 1394 (Firewire) link layer and integrated PHY devices for digitally interfacing advanced video applications with the highest level of content security.

The devices support the latest requirements from the Digital Transport Licensing Authority, including localization for DTCP-encrypted premium content. The TSB43EC42 and the TSB43EA42 provide security and QoS for home networking in STBs, digital TVs and Blu-ray recorders.

Extending TI's 1394 CE family, the TSB43EC42 and TSB43EA42 will enable tru2way STBS and digital TVs to record in high definition. The TSB43EC42 adds AES-128 encryption to the transport stream interface, which provides very robust protection by keeping content encrypted at all times. This eliminates the need for additional physical content protection on the PCB and can simplify board layout. Both the TSB43EC42 and TSB43EA42's integrated 1394a two-port PHY operate at 100-, 200- or 400Mbit/s and are fully compliant with the IEEE Std. 1394-1995 and IEEE Std. 1394a-2000.

Other key features include support for multiple video streaming formats such as MPEG2, MPEG4, DV and DSS. The devices are also IEC61883-1, IEC61883-2, IEC61883-4 and IEC61883-7 compliant. The TSB43EC42 and TSB43EA42 also include PID filtering and packet insertion for MPEG transmit and support various types of external CPU interfaces68K, SRAM and PCI. Additionally, the devices feature DMA support with higher asynchronous throughput at low-power modes.

Tru2way makes it easy for consumers to access two-way interactive cable content, such as video-on-demand and pay-per-view. 1394 technology is the only standard on the market today to permit real-time digital recording with superior QoS and proven content protection.

The TSB43EC42 and TSB43EA42 are available now in a BGA package. For pricing, samples or evaluation modules, please contact TI sales support at support.ti.com..





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