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APIX2 Multichannel SerDes with 3 Gbit/s for Video, Audio, Data targeting automotive Camera Applications

User Manual

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The INAP378TAQ together with the INAP378RAQ receiver offers the next generation high speed digital serial link for CAMERA applications. It provides a DC-balanced, AC coupled low latency, point-to-point link over shielded twisted pair (STP) cables. Its scalable physical layer provides bandwidth of up to 3 GBit/s at lowest EMI. The INAP378TAQ supports popular automotive image sensor solutions with video resolutions such as 1280x800 pixels and refresh rates of up to 45fps. The device offers a parallel video interface for support of up to 16 color bits + 2 control bits. Software adjustable driver characteristics and configurable operating modes allow the transmission of 1.5 GBit/s at distances of up to 25m over a single pair of wires. In addition to the video transmission the INAP378TAQ provides completely independent Full Duplex Communication channels. Using the internal AShell protocol, data transfers are protected by error detection and retransmission mechanisms.
Additionally, the link is optimized to carry low latency GPIO signals for reset or synchronization purposes.

Since the INAP378TAQ has also an openLDI compliant Video Input Interface, the device can also be operated in display link mode generating proper video timing. In this mode up to HD displays in 720p or 1080i mode can be supported



  • 500 MBit/s, 1 GBit/s, 1.5 GBit/s and 3 GBit/s sustained downstream link bandwidth for video data rates up to 2591 MBit/s
  • up to 187.5 MBit/s upstream link bandwidth
  • Configurable video interface
    – openLDI compliant LVDS interface (18 or 24 Bit)
    – Parallel Bulk Data Mode (10,12,18 Bit)
  • Video resolutions up to HD resolutions
  • Full duplex AShell communication channel
    – Data CRC protection and correction
  • SPI slave interface
  • I²C Master interface
  • GPIOs for direct signalling and camera synchronization support
  • I²S Audio interface
    – supports 16/24/32 Bit word length
    – supports up to 192kHz sampling
    – TDM support for up to 8 channels
  • Diagnostic Features:
    – Built-In PRBS Generator
    – Embedded diagnostics
  • Up to 25m distance at 1.5 GBit/s


  • Round View Camera Systems
  • Stereo Camera Systems
  • Rear View Camera Systems
  • Automotive Driver Assistance
  • Surveillance Systems
  • Inspection Systems

INAP378TAQ Block Diagram

INAP378TAQ Application

Soft- and Hardware Tools

ToolDescriptionOrder ID:
INAP378T Camera Kit OmnivisionAPIX2 Camera Demo, based on SMS OV10635 fully sealed Camera with INAP378TAQ and INAP375RAPIX2_CEK_OVT
INAP378T/R Camera Kit AptinaAPIX2 Camera Demo, based on SMS AR0132 fully sealed Camera with INAP378TAQ and INAP375Rn/a
APICOSoftware Tool to configure APIX2 devices, configuration wizard, dependency check, plausibility check, status registers, page
IBIS ModelIBIS Software Model of INAP378TAQdownload

Application Notes

Application NotesDescriptionDownload
AN202POA: Power over APIXLogin or register
AN203APIX2 Transfer Channel RequirementsLogin or register
AN204APIX2 Physical Layer ComplianceLogin or register
AN206INAP3xxT/R Diagnostic FeaturesLogin or register
AN207APIX2 - Transmitter Line Driver SetupLogin or register
AN208APIX2 Daisy Chain SetupLogin or register

ordering information

part numberpackagepackaging

aQFN_92 8x8 mm

landing pattern


aQFN_92 8x8 mm

landing pattern