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On Tue, Jan 16, 2018 at 9:06 PM, Richard Wilbur <[email protected]> wrote: >> The goal is to avoid unnecessarily impeding this return current path. >> I'm trying to avoid making the path >~200mil and putting any major >> obstruction (like a huge layer void) in the way. > > While browsing the A20 datasheet, I found that the HDMI section does > have a power pin but not labelled the way I was asking you about. ah ok > Page 18 mentions that VCC-HDMI is a power pin on ball #T13. On the > schematic it is connected to net HVP which has power decoupling > capacitor C108 which looks like "104" => 0.1uF. yep. and a VIA to the other side (BOTTOM) C108 is about as close as you can possibly get > Looks like the path from the copper on layer 2 below the HDMI pins > (balls #TUVW 22,23) on the SoC (processor) to the VCC-HDMI power pin > (#T13) is ~300mil. It doesn't look overly impeded. yehh it seems to work fine, on this design and on other boards. l. _______________________________________________ arm-netbook mailing list [email protected] http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to [email protected]
