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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/2ddb9d68-5e67-4fe7-8de6-396189797f42%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
