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The DS90UH925Q serialiser in combination with the DS90UH926Q deserialiser provides a solution for the secure distribution of content-protected digital video within automotive entertainment systems. The chipset converts the parallel RGB video interface to a single pair of high-speed serial interfaces, protecting digital video data using the industry standard HDCP copy protection scheme. The serial bus solution, FPD-Link IIl, supports video and audio data transfer and full duplex control, including 12C communication over a single differential link. The merging of video data and control of individual differential pairs reduces the size and weight of the interconnect, while also eliminating skew problems and simplifying system design.

The DS90UH925Q serialiser embeds a clock, content protects the data payload and converts the signal level to a high speed low voltage differential signal. Up to 24 RGB data bits are serialised with three video control signals and up to two l2S data inputs. the DS9OUH925Q serialiser has a 31-bit parallel LVCMOS input interface to accommodate RGB. video control and 12S audio data. Electromagnetic interference is minimised through the use of low voltage differential signalling, data scrambling and randomisation and spread spectrum clock compatibilityThe HDCP cryptographic engine is implemented in the serialiser and deserialiser.HDCP keys are stored in on-chip memory.

Specification

Function: Serialiser

Data rate: 2.975Gbps

Input type: LVCMOS

Output type: FPD Link III, LVDS

Number of inputs: 31

Number of Outputs.

Voltage - Supply: 3V ~ 3.6V

Operating Temperature: -40°C ~ 105°C (TA)

Mounting Type: Surface Mount Type

Package / Case: 48-WFQFN Exposed Pad

Supplier Device Package: 48-WQFN (7x7)

Applications

Automotive display navigation

Rear seat entertainment systems

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