Timeline for GPIO: Why wire button to ground rather than +3.3v?
Current License: CC BY-SA 3.0
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| when toggle format | what | by | license | comment | |
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| Sep 11, 2013 at 15:51 | comment | added | Piotr Kula | The only problem is that during boot phases 1-3 these pins are floating (GPU to CPU handover) then on Phase 4 during Linux Kernel boot the PINs are set to the correct state. This can cause serious issues with gates waiting for logic. So it is advisable to pull them down anyway so that the floating period during boot does not make your circuits go mental! | |
| Sep 10, 2013 at 5:10 | history | answered | Milliways | CC BY-SA 3.0 |