SRM = System Reference Manual You can find it alongside the hardware design files:
http://elinux.org/Beagleboard:BeagleBoneBlack#LATEST_PRODUCTION_FILES_.28C.29 Sections 8.1.1 and 8.3 cover using the LCD/boot pins. On 2/12/2015 2:16 PM, JS-BBB wrote: > Thanks Charles, I was afraid of that. I'm learning a lot, real fast. > > SRM?? Something new, I guess it's the equivalent of "Read The Fabulous > Manual"? :-) > > So it's back to using the internal pull ups for those pins, not too bad I > guess. If I need to make another board in the future I can use a couple of > 74HC365 tristate buffers to isolate those pins at reset. > > On Friday, February 13, 2015 at 1:07:57 AM UTC+11, Charles Steinkuehler > wrote: >> >> >>> Is there some EEPROM or "fuse" settings for that? >> >> No. The boot pins are used by the hardware when it comes out of reset >> to determine the desired boot mode. If you wish to drive these pins, >> you need to insure you do so only after the system reset line goes high. >> >> This is all covered in the BBB SRM. >> >> -- >> Charles Steinkuehler >> [email protected] <javascript:> -- Charles Steinkuehler [email protected] -- 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.
