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Inova Semiconductors Supplies New APIX3® SerDes Products with DisplayPort™ Multi-stream Video Interface and Support for up to 4 Daisy-chained Displays

Inova Semiconductors expands its APIX3® SerDes family with more video channels for daisy-chained display architectures. The new transmitter devices enable simultaneous transmission of multiple videos, audio, Ethernet and data in real time at up to 12 Gbit/s.

Inova Semiconductors Supplies New APIX3® SerDes Products with DisplayPort™ Multi-stream Video Interface and Support for up to 4 Daisy-chained Displays
Inova Semiconductors expands its APIX3 SerDes family with more video channels for daisy-chained display architectures.

Inova Semiconductors announces the release of their INAP567TAQ and INAP597TAQ transmitter ICs; two new members of the APIX3 SerDes product family. APIX (Automotive Pixel Link) is a multi-channel SerDes (Serialiser/Deserialiser) technology developed by Inova for automotive high-resolution video applications. The ICs are primarily used in vehicle cockpits and infotainment systems. The latest APIX3 generation can establish multiple display connections even with daisy-chained displays with a bandwidth of up to 12 Gbit/s and supports HD and Ultra HD displays.

The new INAP567TAQ and INAP597TAQ transmitters offer a DisplayPort 1.4a video interface with support of Single-stream (SST) or Multi-stream Transport (MST) for up to 4 Videos, each with up to 360 MHz pixel clock. Up to four DP lanes with a maximum of 5.4 Gbit/s each (HBR2), as well as an AUX data channel with 1 Mbit/s are available.

The INAP597TAQ device additionally supports the encryption of audiovisual content according to the HDCP 2.3 standard as an HDCP repeater between the DisplayPort and the APIX3 link. The encrypted video from the SOC is transmitted to a corresponding APIX3 receiver component. All necessary HDCP keys are stored individually in each component.

The new devices of the APIX3 family are designed for popular automotive displays (e.g., 2880 x 1080 x 24 bit, 60 Hz). Nonetheless, video resolutions with up to 8190 active pixels per line and colour depths up to 30 bits are also possible via tunneling and transmission of VESA DSC-compressed video data. Optional video CRC and 4 error protected AShell data transmission channels support the implementation of safety critical links to multiple receivers.

SPI interfaces are available for convenient local or remote component configuration and bidirectional data transfer of up to 30 Mbit/s. Four GPIOs allow user signals to be transmitted directly to or from the receiver via the APIX3 link. Simultaneously, the devices enable the transmission of 100 Mbit Ethernet according to the IEEE standard via its media-independent interface (MII, RMII, RGMII) as well as up to eight audio channels via I²S.

The transmitters can establish one APIX2 link or two APIX3 links with all compatible receivers via a QTP or STP cable. The components support various EMC-friendly operating modes with fixed bandwidths of 1.5, 3 or 6 Gbps in single-lane mode or 3, 6 or 12 Gbps in dual-lane mode with a fixed back channel of 187.5 Mbps.

In APIX3 mode the automatic link training adopts the APIX3 link to the cable medium and ensures very robust, stable and optimized transmission. With its many diagnostic features, APIX3 supports safety-related applications. The products meet the requirements of the automotive industry for electromagnetic immunity and resistance.

Typical applications for the new APIX3 chips are infotainment systems, instrument clusters and head-up displays in vehicles with multiple displays being connected in a daisy-chain to a single transmitter device, saving components and space on the head unit. The APIX3 devices are backward compatible with the APIX2 product family.

The two new APIX3 transmitters INAP567TAQ und INAP597TAQ are available now. All devices are qualified according to AEC-Q100 and operate in a wide temperature range from –40 °C to +105 °C. Inova supplies the semiconductor ICs in a 151-pin aQFN package. The APIX3 technology has also been licensed to Socionext.

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