At 20:38 04/26/99 +0100, n4174867 wrote:
>Hello , I face a similar problemPIC16C73, I use 1k pullups for the SDA and
SCL.
>However I read somewhere, "From: Vincent.Himpe@ping.be (Vincent Himpe)
>Subject: I2C FAQ Version 1.6" that the values for these resisorts should be in
>the vicinity of 4.7 to 47K depending on the distance and the oscillator.
>So, I want to ask is this correct?

all your devices have to have output driver which are able to carry the
necessary current; ie. if your bus voltage is 5V, they have to be able to
pull down at least 5mA.

ge