Twin SerDes transmitters enhance APIX3 in-vehicle ecosystem

Twin SerDes transmitters enhance APIX3 in-vehicle ecosystem

New Products |
By Christoph Hammerschmidt

The latest members of the APIX3 family are the INAP562TAQ transmitters with HDMI 1.4a (with 3D support) and DSI 1.2 video interface and the INAP564TAQ with two DSI 1.2 video interfaces. The transmitters differ only in the video inputs and are otherwise compatible. Each of these transmitters can form two APIX3 links via STP or coaxial cable with the already available INAP562R receiver. This means that one transmitter can control two receivers with completely independent picture and data content, which previously required two transmitter components. This results in reduced system costs and less space required on the transmitter-side control unit.

The components support various EMC-friendly operating modes with fixed bandwidths of 1.5; 3 or 6 Gbit/s in single-lane operation, with a fixed return channel of 187.5 Mbit/s. The transmitter is equipped with a single-lane control unit for the transmission of the signal from the transmitter to the receiver.

The new components of the APIX3 family enable Ultra High Definition (UHD) video resolutions and colour depths of up to 30 bit due to their high bandwidth. The available DSI interfaces also allow the transmission of DSC-compressed video data with a future-proof available video bandwidth of up to 28.8 Gbps.

The devices enable the simultaneous transmission of up to eight audio channels. A special feature of the APIX technology is the media-independent interface (MII, RMII, RGMII) for 100 Mbit Ethernet according to the IEEE standard. An SPI interface for convenient configuration of the components and data transmission is also available.

The APIX3 components are backwards compatible with the APIX2 predecessor family and, like these, offer compensation functions for cable aging and temperature fluctuations. New with APIX3 is the automatic calibration (link training) of the APIX3 link to the used cable medium. This results in a very robust, stable and optimized transmission. With its many diagnostic functions, APIX3 supports safety-relevant applications and meets the requirements of the automotive industry with regard to electromagnetic immunity and resistance.

The two new APIX3 transmitters are available now. The devices are qualified according to AEC-Q100, operate in a wide temperature range from -40 °C to +105 °C and are supplied in a 151-pin aQFN package. They are pin compatible with the available single channel APIX3 transmitters INAP563TAQ and INAP565TAQ. The components are also available as variants with HDCP (High-bandwidth Digital Content Protection). The APIX3 technology was also licensed by Inova to Socionext.

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