No. The boot pin sensing is fundamental to how the processor works. It can not boot without that function. The proper question to ask is how do I prevent my I-O from disturbing the boot process. The solution is probably something like adding transmission gates that does not connect your I-O until System_Reset goes high.
--- Graham == On Wednesday, April 10, 2019 at 8:48:04 AM UTC-5, alanmt...@icloud.com wrote: > > > Hi All... > > I use pin 8_44 for digital input to the PRU. For those new to this issue, > that is one of several pins that can change the boot behavior of the BBB, > but the bottom line is that it should not be connected on startup. I > didn't know that when I started my project, but it wouldn't have made a > difference in my selection since input/output to the PRUs is fundamental to > what I need to do and I would use any PRU pin I can get access to. > > Currently, I have to disconnect the BBB every time I reboot the > Beaglebone. This was not a problem at first, but now I use the device > remotely quite a lot, and sometimes I have to reboot the entire PC that is > local to the Beaglebone. I've tried rearranging the circuitry, but because > I use a protection diode to allow >3.3V as a digital input, I have been > unable to find a balance between high enough impedance to prevent boot > issues and low enough to consistently recognize the digital inputs I need > to measure. > > Is there a simple way to disable the feature that looks for boot options > on this pin (and any others)? > > Thanks so much, > > Alan > -- 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/c2648207-2100-4d5c-a0f4-9d09dc7a8fd6%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
