DS90UH925AQ-Q1 Texas instruments

DS90UH925AQ-Q1

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DS90UH925AQ-Q1

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Описание

The DS90UH925AQ serializer, in conjunction with the DS90UH926Q deserializer, provides a solution for secure distribution of content-protected digital video within automotive entertainment systems. This chipset translates a parallel RGB Video Interface into a single pair high-speed serialized interface. The digital video data is protected using the industry standard HDCP copy protection scheme. The serial bus scheme, FPD-Link III, supports video and audio data transmission and full duplex control including I2C communication over a single differential link. Consolidation of video data and control over a single differential pair reduces the interconnect size and weight, while also eliminating skew issues and simplifying system design. The DS90UH925AQ serializer embeds the clock, content protects the data payload, and level shifts the signals to high-speed low voltage differential signaling. Up to 24 RGB data bits are serialized along with three video control signals and up to two I2S data inputs. EMI is minimized by the use of low voltage differential signaling, data scrambling and randomization and spread spectrum clocking compatibility. The HDCP cipher engine is implemented in the serializer and deserializer. HDCP keys are stored in on-chip memory. Remote interrupts from the downstream DS90UH926Q deserializer are mirrored to a local output pin.

Integrated HDCP Cipher Engine with On-chip Key Storage
Bidirectional Control Interface Channel Interface with I2C
Compatible Serial Control Bus
Supports High Definition (720p) Digital Video Format
RGB888 + VS, HS, DE and I2S Audio Supported
5 – 85 MHz PCLK Supported
Single 3.3 V Operation with 1.8 V or 3.3 V Compatible
LVCMOS I/O Interface
AC-coupled STP Interconnect up to 10 meters
Parallel LVCMOS Video Inputs
DC-balanced & Scrambled Data with Embedded Clock
Supports HDCP Repeater Application
Dedicated Interrupt Pin for Remote Interrupts
Internal Pattern Generation
Low Power Modes Minimize Power Dissipation
Automotive Grade Product: AEC-Q100 Grade 2 Qualified
>8 kV HBM and ISO 10605 ESD rating
Backward Compatible Modes

Function	Serializer
Color depth (bps)	24
Input compatibility	LVCMOS
Pixel clock frequency (max) (MHz)	85
Output compatibility	FPD-Link III LVDS
Features	HDCP
Signal conditioning	Adaptive Equalizer
EMI reduction	SSC Compatible
Diagnostics	BIST
Rating	Automotive
Operating temperature range (°C)	-40 to 105