>I can see some oscillations on the
>line once in a while since I use a relatively long delay of 200ms
>between each transmission.  And by transmission, I mean the full I2C
>packets (Address, Command and 2 data bytes) that needs to be sent to the
>TC1322 DAC.

Have you captured the trace so you can see if the data is accurate?  One bit
in the address line or an inaccurate START bit will totally screw you up.
Are you addressing the DAC appropriately?  Just some simple stuff, but it
probably is something simple that's causing the malfunction.

--Andrew

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