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On 27/01/11 05:55, PICdude wrote:
> Found this recently and tried the mosfet solution, and it works well =20
> for I2C 3.3V to 5V level conversion... =20
> http://www.sparkfun.com/tutorials/65
>=20
> Cheers,
> -Neil.
>=20
>=20

That idea (originating at Philips IIRC) works well for low speed buses,
however a jellybean FET (with a large gate C) and high value pullup
resistor can be very slow. I used to use this between my clone ICD2
(which only had 5v support) and 3.3V PICs. Programming would work fine,
however debugging failed to even start.
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