Inova Semiconductors Supplies New APIX3^® SerDes Devices with DisplayPort Video Interface and HDCP 2.3 Encryption

Inova Semiconductors expands its APIX3^® SerDes family with new video interfaces and encryption technologies. Transmitter devices enable simultaneous transmission of video, audio, Ethernet and data in real time at up to 12 Gbit/s.

Inova Semiconductors announces the release of their INAP566TAQ and INAP596TAQ 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 with a bandwidth of up to 12 Gbit/s and supports HD and Ultra HD displays.

The new INAP566TAQ and INAP596TAQ transmitter offer a DisplayPort 1.4 video interface. Up to four data paths with a maximum of 5.4 Gbit/s each (HBR2), as well as an AUX data channel with 1 Mbit/s, are available. The INAP596TAQ additionally supports the encryption of audiovisual content according to the new HDCP 2.3 standard. In terms of HDCP standardization, the INAP596TAQ works as a so-called repeater. This means that the video encrypted by the video source is decrypted after the DisplayPort input and encrypted again according to HDCP 2.3 before being transmitted to a corresponding APIX3 receiver component. All necessary HDCP keys are stored individually in each component.

Each of the two transmitting components can establish an APIX3 link with all APIX3-compatible receivers via a QTP, STP or coaxial 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.

The new devices of the APIX3 family are designed for popular displays (e.g., 2880 x 1080 x 24 bit, 60 Hz) in cars. Nonetheless, video resolutions up to Ultra High Definition (UHD) and colour depths up to 30 bit are also possible. The ICs support the transmission of DSC-compressed video data.

All the devices enable the simultaneous transmission of up to eight audio channels. A special feature of the APIX technology its media-independent interface (MII, RMII) for 100 Mbit Ethernet according to the IEEE standard. An SPI interface for convenient component configuration and data transfer is also available. Switching signals can also be transmitted directly to the receiver via four existing GPIOs (General Purpose Input Output) using the APIX3 link.

The APIX3 devices are backward compatible with the APIX2 predecessor family and, like these, offer compensation functions for cable aging and temperature fluctuations. A new feature of APIX3 is the automatic calibration (link training) of the APIX3 link to the cable medium used. This ensures very robust, stable and optimized transmission. With its many diagnostic features, APIX3 supports safety-related applications and meets the requirements of the automotive industry for electromagnetic immunity and resistance.

Typical applications for the new APIX3 chips are infotainment and entertainment systems, as well as instrument clusters and head-up displays in vehicles.

Availability
The two new APIX3 transmitters INAP566TAQ und INAP596TAQ 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.

www.inova-semiconductors.com

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