You can check the schematics for the location of the resistors. If they are not there, then they are needed to be added when those pins are to be used as I2C externally.
Gerald On Tue, Sep 30, 2014 at 7:58 PM, Britton Kerin <britton.ke...@gmail.com> wrote: > On Tue, Sep 30, 2014 at 3:01 PM, Robert Hurd <rob...@roberthurd.com> > wrote: > > Maybe this is a stupid question, but I can't seem to find an answer. > > > > Are external pull-up resistors required on the SDA & SCL I2C lines or are > > the pull-ups built into the BeagleBone Black's embedded CPU? > > There are both pull-up and pull-down resistors available internally. > Assuming they > are correctly enabled I guess they would be good enough for I2C, > though of course > you're stuck with the fixed values they provide. > > Britton > > -- > 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 beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- 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 beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
