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How to deal with ADV8005 EXT OSD and TTL input interface pin if unused

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Hi,

      As ADV8005 hardware manual descriped, ADV8005 EXT OSD and TTL input pins need "Connect this pin to ground through a 4.7kΩ resistor" if unused. but it will increase much more resistors in PCB layout.

      Our Design need not EXT OSD and TTL input interface, Can i let these pins floating or connect them to GND directly?ADV8005 OSD INTERFACE.jpgADV8005 OSD INTERFACE1.jpg


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