Alex Herbert wrote:
> The RIOT uses the same reset line as the CPU and is reset at power on, and
> to quote the datasheet, "... a low /RES input causes a zeroing of all four
> I/O registers. This in trun causes all I/O busses to act as inputs thus
> protecting external components from possible damage and erroneous data
while
> the system is being configured under software control."
>
> So there shouldn't be any need to initialize the ports at boot unless you
> need outputs.
When turning power off and on quickly reset may not get low.
