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Re: [lpc2000] Dumb GPIO question

2004-05-28 by Shannon Holland

Ugh, and I even knew that - hate wasting time on stupid mistakes! 
Clearly I need more coffee or beer or both.

Thanks much!

Shannon

On May 28, 2004, at 11:16 AM, MaxStream - Ryan Bedwell wrote:

> Shannon Holland wrote:
>
>> OK, I am confused. I'm using the Nohau LPC210x eval board and for some
>> reason I can't set GPIO's P0.2 and P0.3 as high output.
>
> Shannon,
>
> One of the functions assignable to P0.2 and P0.3 is that of the I2C
> clock and data.  Per the I2C standard, these have to be open-drain
> outputs, so the LPC21xx implements them as such.  This limitation still
> applies when they are used as GPIOs.
>
> Regards,
> Ryan
>
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