> From: Eero Nurkkala [mailto:ext-eero.nurkkala@xxxxxxxxx] > On Mon, 2009-02-16 at 15:19 +0100, ext Woodruff, Richard wrote: > > Hi, > > > > > Could you please also address the question of the load on the SCL line? > > > > Are you talking about rise/fall time? > > > Sorry for being unclear; > > The I2C standard addresses also rise/fall times, but more interesting, > the tLow and tHigh (and a number of other parameters). > > It seems with the open source drivers, that somehow they're after a > "balanced I2C clock" meaning tLow == tHigh, which is very, very > dangerous. Oh, I see. I didn't look at that angle. I can inquire/look. For sure wave forms on O-Scope and LA showed variable data line times, sometimes longer then one would expect (for stop/start/ack). But yes, clocks were pretty even iirc. Regards, Richard W. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
