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The ISL76321 is a serializer/deserializer of LVCMOS parallel video data. The video data presented to the serializer on the parallel LVCMOS bus is serialized into a high-speed differential signal. This differential signal is converted back to parallel video at the remote end by the deserializer. It also transports auxiliary data bi-directionally over the same link during the video vertical retrace interval. I²C bus mastering allows the placement of external slave devices on the remote side of the link. An I²C controller can be placed on either side of the link allowing bidirectional I²C communication through the link to the external devices on the other side. Both chips can be fully configured from a single controller or independently by local controllers.

Key Features

• 16-bit RGB transport over a single differential pair
• 6MHz to 50MHz pixel clock rates
• AEC-Q100 qualified component
• Bi-directional auxiliary data transport without extra bandwidth and over the same differential pair
• Hot-plugging with automatic resynchronization every HSYNC
• I2C bus mastering to the remote side of the link with a controller on either the serializer or deserializer
• Selectable clock edge for parallel data output
• DC-balanced with industry standard 8b/10b line code allows AC-coupling, providing immunity against ground shifts
• 16 programmable settings each for transmitter amplitude boost and pre-emphasis and receiver equalization, allow for longer cable lengths and higher data rates
• Slew rate control and spread spectrum capability on outputs reduce the potential for EMI
• Same device for serializer and deserializer simplifies inventory

Applications

• Video entertainment systems
• Remote cameras