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APIX2 Multichannel SerDes with 3 Gbit/s and HDCP support

User Manual

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The INAP395R is an APIX2 receiver device supporting the receiption of copyright protected digital entertainment content. The device incorporates the decryption mechanisms as well as the required keys to receive HDCP 1.4 encoded video and audio content over the APIX2 link. APIX2 is a DC-balanced, AC coupled low latency, point-to-point link over shielded twisted pair (STP) copper cables. Its scalable physical layer provides bandwidth from 500Mbit/s of up to 3 GBit/s at lowest EMI. The INAP395R offers a flexible video interface, optimized for TFT panels or graphic processing SoCs, with input interfaces such as parallel RGB or OpenLDI LVDS. Software adjustable driver characteristics, selectable interfaces and configurable operating modes allow maximum transmission distances of up to 12m @ 3GBit/s. In addition to the video transmission, the INAP395R allows completely independent full duplex communication channels. Using the internal AShell protocol, data transfers such as panel control or touch control information are protected by error detection and retransmission mechanisms.

The INAP395R offers various interfaces to directly drive and connect to graphic display- or touch controllers. Besides an I²C compliant interface, the link is optimized to carry low latency GPIO signals for reset or hardware signal switching. Various data integrity features like CRC on video data, monitoring of control signals support secure data transfer over the APIX2 link. The device is offered in a 100 pin LQFP package, and qualified according to the
AEC-Q100 automotive standards.


  • Supports High-bandwidth Digital Content
  • Protection according to HDCP 1.4
  • Pin compatible to INAP375R
  • video data rates up to 2591 MBit/s
  • up to 187.5 MBit/s upstream link bandwidth
  • Supports 2 independent HDCP encrpyted video streams
  • Configurable video interface
    – Parallel RGB (10,12,18 or 24 Bit)
    – openLDI compliant LVDS interface
    – Single Channel (18 or 24 Bit)
    – Dual Channel (18 or 24 Bit)
    – Parallel Bulk Data Mode (10,12,18,24 Bit)
  • Video resolutions up to HD resolutions
  • AShell protected full duplex communication channel
  • Daisy chain output to a 2nd receiver
  • Media Independent Interface
  • Media Independent Interface
  • Flexible data interface
    – SPI Master/slave
    – I²C Master
  • Optimized I²C Touchscreen controller support
  • Low latency GPIOs
  • 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 Checker
    – Embedded diagnostics
  • Up to 12m distance at 3 GBit/s


  • Central Information Displays
  • Rear-Seat Entertainment Systems
  • Audio/Video Systems
  • Device Gateways
  • Infotainment Head Units

INAP395R Block Diagram

INAP395R Application

Soft- and Hardware Tools

Tool Description Order ID:
INAP395R Receiver Board INAP395R APIX2 Receiver main board, Power Supply, 2m USB cable, Documentation APIX2_ADK_INAP395R
INAP375R Extender Board APIX2 Receiver Extender Board, 5x FFC cable APIX2_ADK_RX_EXT
INAP375T/R Ethernet Board APIX2 Ethernet Extender Board for Transmitter and Receiver Main board, 5x FFC cable, 2m Ethernet cable APIX2_ADK_ETH
APICO Software Tool to configure APIX2 devices, configuration wizard, dependency check, plausibility check, status registers, etc. download page
IBIS Model IBIS Software Model of INAP375T download

Landing patterns

Format zip
Allegro Download
Altium Download
PADS Download
BXL Download


Application Notes

Application Notes Description Download
AN202 POA: Power over APIX Login or register
AN203 APIX2 Transfer Channel Requirements Login or register
AN204 APIX2 Physical Layer Compliance Login or register
AN206 INAP3xxT/R Diagnostic Features Login or register
AN207 APIX2 - Transmitter Line Driver Setup Login or register
AN208 APIX2 Daisy Chain Setup Login or register

ordering information

part number package packaging
temp status

LQFP_100 14x14 mm

-40°C-105°C active

LQFP_100 14x14 mm

-40°C-105°C active