Yes. That is to add additional optional functions to the pins on the connectors. It is explained in the System Reference Manual.
Gerald On Fri, Jan 9, 2015 at 3:15 PM, wojtekskulski via BeagleBoard < [email protected]> wrote: > Gerald: > could you please explain why are the GPIO pins shorted together on pages 3 > and 4 of the BBB schematics? What will be the impact of disconnecting these > pins and using them for something else than they are used now? Is the CPU > communication some information to itself using these pairs of GPIO pins? > > 1. Page 3, balls R13 and T13 (pins GPIO2_2 and GPIO1_16). > > 2. Page 4, balls B12 and C18 (pins GPIO3_18 and GPIO0_7). > > Additionally, on page 3 the output from U16 is connected to S1, which can > be momentarily grounded. Is there risk of damaging the U16 while pressing > the S1? > > Thank you -- Wojtek > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Gerald [email protected] http://beagleboard.org/ http://circuitco.com/support/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
