Am Donnerstag, 4. März 2004 14:21 schrieb Wolfgang Denk:
In message 04030413332001.12732@pcj86 you wrote:
This 'could' be usefull to speed up the i2c communication if there are more than one i2c devices with significant differences between the clock timing; ex. 27C32 (100kHz@3.3V) and LM75 (400kHz). Tolunay has spoken about like this. But right I see now reason to do so, too. U-Boot has to
^^^^^^^^^ OOPS, this was a small but fine typing error, should be:
" ... But right I see _NO_ reason to do so, too. ... "
(that's life)
be a boot loader not a performant operator...
Do you think it is legal to clock the I2C bus at 400 kHz when there are devices on the bus that are spec'ed only for 100 kHz? I may be wrong, but such an idea sounds awfully risky to me.
You're right, see above :-)
Best Regards, Stephan Linz