Talk:General Purpose Input/Output

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Anyone know what "compounded by the resemblance to GP1 and GP0" means? Can we clarify this?Paul Foxworthy 12:33, 4 September 2007 (UTC)

Is the input/output states (voltages) defined for GPIO? Is it a 3 or 5v TTL type input? Are they generally tied either up or down so all we need to do is ground (or short to power) to get them to trigger? Are they standard at all.... or is each person's GPIO interface unique? --CaveMole 22:49, 11 September 2007 (UTC)