Yes. pins 22, 26, 37, and 41 are all open-drain.
--- In lpc2000@yahoogroups.com, "Gus" <gus_is_working@y...> wrote:
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>
> Hello,
>
> It seems like the LPC2138 has 2 I2C built in. Does this mean that
> now we have 4 open drain pins on this chip?
>
>
> Thanks,
>
> Gus