10 - 43MHz 14 Bit Color FPD-Link III Serializer with Bidirectional Control Channel



Product details


Function Serializer Color depth (bpp) 14 Pixel clock frequency (Min) (MHz) 10 Pixel clock frequency (Max) (MHz) 43 Input compatibility LVCMOS Output compatibility FPD-Link III LVDS Features CRC, I2C Config Signal conditioning DC Balance, Programmable Receive Equalization EMI reduction LVDS, SSCG, Staggered Outputs, BIST, SSC Compatible Diagnostics BIST Throughput (Mbps) 688 Rating Automotive Operating temperature range (C) -40 to 105 open-in-new Find other Display SerDes

Package | Pins | Size

WQFN (RTV) 32 25 mm² 5 x 5 open-in-new Find other Display SerDes


  • 10 MHz to 43 MHz Input PCLK Support
  • 160 Mbps to 688 Mbps Data Throughput
  • Single Differential Pair Interconnect
  • Bidirectional Control Interface Channel with I2C Support
  • Embedded Clock with DC Balanced Coding to Support AC-Coupled Interconnects
  • Capable to Drive up to 10 Meters Shielded Twisted-Pair
  • I2C Compatible Serial Interface
  • Single Hardware Device Addressing Pin
  • 16-bit Data Payload with CRC (Cyclic Redundancy Check) for Checking Data Integrity
  • Up to 6 Programmable GPIO's
  • LOCK Output Reporting Pin and AT-SPEED BIST Diagnosis Feature to Validate Link Integrity
  • Integrated Termination Resistors
  • 1.8V- or 3.3V-Compatible Parallel Bus Interface
  • Single Power Supply at 1.8V
  • ISO 10605 ESD and IEC 61000-4-2 ESD Compliant
  • Automotive Grade Product: AEC-Q100 Grade 2 Qualified
  • Temperature Range −40°C to +105°C
  • No Reference Clock Required on Deserializer
  • Programmable Receive Equalization
  • EMI/EMC Mitigation
    • DES Programmable Spread Spectrum (SSCG) Outputs
    • DES Receiver Staggered Outputs

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The DS90UB901Q/DS90UB902Q chipset offers a FPD-Link III interface with a high-speed forward channel and a bidirectional control channel for data transmission over a single differential pair. The Serializer/Deserializer pair is targeted for direct connections between automotive camera systems and Host Controller/Electronic Control Unit (ECU). The primary transport sends 16 bits of image data over a single high-speed serial stream together with a low latency bidirectional control channel transport that supports I2C. Included with the 16-bit payload is a selectable data integrity option for CRC (Cyclic Redundancy Check) to monitor transmission link errors. Using TI’s embedded clock technology allows transparent full-duplex communication over a single differential pair, carrying asymmetrical bidirectional control information without the dependency of video blanking intervals. This single serial stream simplifies transferring a wide data bus over PCB traces and cable by eliminating the skew problems between parallel data and clock paths. This significantly saves system cost by narrowing data paths that in turn reduce PCB layers, cable width, and connector size and pins.

In addition, the Deserializer inputs provide equalization control to compensate for loss from the media over longer distances. Internal DC balanced encoding/decoding is used to support AC-Coupled interconnects.

A Serializer standby function provides a low power-savings mode with a remote wake up capability for signaling of a remote device.

The Serializer is offered in a 32-pin WQFN (5mm x 5mm) package, and Deserializer is offered in a 40-pin WQFN (6mm x 6mm) package.

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Technical documentation

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Type Title Date
* Datasheet DS90UB901Q/2Q 10-43MHz 14Bit Color FPD-Link III SER/DES datasheet (Rev. E) Apr. 16, 2013
Technical articles How to choose a power supply for an automotive camera module Sep. 17, 2020
Application note I2C Communication Over FPD-Link III with Bidirectional Control Channel (Rev. A) Apr. 26, 2013
Application note Driving High-Speed Data Against the Traffic Jul. 11, 2011

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Reference designs

Uncompressed Digital Video SerDes over Twisted Pair for Automotive Camera Systems
TIDA-00138 The TIDA-00138 reference design is a high speed serial camera interface to connect a remote automotive camera module to a display or machine  vision processing system. It uses TIs FPD-Link III SerDes technology to transmit uncompressed video data and bidirectional control signals over a twisted pair (...)
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