William

If I power my IO through the 3.3V bus on the BB Blue, which turns on as the 
BB Blue turns on, will that be sufficient to protect the GPIO?

Clark

On Friday, March 31, 2017 at 3:48:04 PM UTC-5, William Hermans wrote:
>
> For instance, if you had any IO connected to this board through any of the 
> GPIO, or other periphery pins while you powered the board up, or down. You 
> could have damaged the processor. So all the pins need to be isolated in 
> that case. Ethernet, USB, and the serial debug port are exceptions to this 
> rule. But are not what I'd exactly consider "periphery" in the context of 
> embedded systems.
>
>

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