HDCP GMSL chipset

25 May 2011 Telecoms, Datacoms, Wireless, IoT

Maxim has added new members to its high-speed LVDS serialiser/ deserialiser (SerDes) family: the MAX9263/MAX9265 serialisers and MAX9264 deserialiser.

This gigabit multimedia serial link (GMSL) chipset features high-bandwidth digital content protection (HDCP) and forms a complete, secure, bidirectional digital-video link (HDCP-GMSL) for transmission of digital video and audio over a single DC-balanced twisted-pair or differential line. The chipset manages all HDCP protocol transactions, supports touch-screen communications and eliminates the CAN/LIN bus for diagnostics. The MAX9263/MAX9265 and MAX9264 HDCP-GMSL chipset is optimised for automotive infotainment and rear-seat entertainment applications.

The system’s programmable spread-spectrum modulation reduces EMI, making it easier to pass automotive compliance tests. Other protective features include isolation between the serialiser and deserialiser through AC coupling. Integrated hot-swap capability increases fault tolerance and allows on-the-fly frequency programming. Line-fault detection and integrated self-test features check for link integrity at system power-up.

The MAX9263/MAX9265 operate from a 1,8 V core supply, while the MAX9264 operates from a 3,3 V supply. These devices feature a separate input supply for interfacing to 1,8 V to 3,3 V logic levels. The MAX9265 serialiser features an LVDS system interface; the MAX9263/MAX9264 have parallel interfaces.

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