The on-chip pull-ups work for most cases. On Thu, Oct 12, 2017 at 12:08 PM Dan Brown <dans.galaxym...@gmail.com> wrote:
> U4 is a USBLC6-2. > > As for the I2C pullups, I forgot to add to this board as I have them on > another. I'll add here too... > > > On Wednesday, October 11, 2017 at 11:42:43 PM UTC-4, Graham wrote: >> >> Dan: >> >> What is the part number for your U4 ? >> >> You are going to have to add some I2C pull-up resistors somewhere. >> >> Thanks, >> --- Graham >> >> == >> >> On Wednesday, October 11, 2017 at 10:08:10 AM UTC-5, Dan Brown wrote: >>> >>> If you are just trying to hook up a quick and dirty connection, then tie >>> 15 and 13 together for grounding the ID pin. Then you will tie 5 and 7 >>> together so the CPU understands there is a USB port in use and it is >>> powered. Your USB connector connects then to pins 7, 9, 11, and 15. Pin >>> 15 is already connected to system ground. >>> >>> In my circuit I am using the Power section from the BBB to do this a bit >>> cleaner. >>> >>> >>> <https://lh3.googleusercontent.com/-8E4TqZsKvhQ/Wd4zWh9Rj7I/AAAAAAAAHC8/uqalauqOj3cd1GIRW3aTOMlXAJL-1N5qQCLcBGAs/s1600/PB%2BUSB%2BEXP.png> >>> >>> On Wednesday, October 11, 2017 at 10:19:02 AM UTC-4, Andy Bushnell wrote: >>>> >>>> On the pinouts 5,7,9,11,13 and 15 are shown as USB1. So: >>>> >>>> tie ID to Gnd (15,13) and 15 to gnd on the connector >>>> There is a Vin(7) and Vbus(5). One of those are not used for the +5 >>>> connection? So +5 goes to pin Vout(13) >>>> >>>> Is Vin used when the power is flowing into the PB from the USB? >>>> >>>> Thanks >>>> Andy >>>> >>> -- > 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. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/2ddb9d68-5e67-4fe7-8de6-396189797f42%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/2ddb9d68-5e67-4fe7-8de6-396189797f42%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- https://beagleboard.org/about -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CA%2BT6QPm%2BD_7AaXt0j7KVFRzCgeNOnh82Njqihw-CTV4hLhwBQQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
