Lpc2000

On 20 Jan 2005 at 21:03, lpcarmed wrote:

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> The I2C lines are not configured to open drain by default. P0.2 and
> P0.2 will be in GPIO mode after reset. User manual, page 117, last
> column, Reset Value=00

Even though these pins are configured as GPIO lines, they remain
open-drain. They are not only configured as open-drain when the
I2C functionality is selected.

Regards
   Anton Erasmus



> --- In lpc2000@yahoogroups.com, "lpc2100_fan" <lpc2100_fan@y...>
> wrote: > > Hi, > > after reset no matter whether programmed or not, in
> general ports are > input, I2C ports are open drain. > After
> programming, ports that you define as outputs will eb driving >
> according to the high / low level you programmed > > Cheers, Bob > >
> --- In lpc2000@yahoogroups.com, "scottkelsall" <scottkelsall@y...>
> wrote: > > > > Hi > > > > Does anyone know what the default port logic
> levels are for the > > LPC2212 when the device is blank and energised
> ready for programming > > > > Also what are the default levels for all
> ports during energisation > > when the device is programmed with sw >
> > > > Thanks for your help > > > > Scott
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-- 
A J Erasmus