On Jul 24, 9:39 am, John_H <newsgr...@johnhandwork.com> wrote:
> devices wrote:
> > "Jim Granville" <no.s...@designtools.maps.co.nz> wrote in message
> >news:46a51c8d$[email protected]..
>
> >> Serial EE proms, have chosen a polling system for their 'wait'
> >> requirements.
>
> >> -jg
>
> > Yeah, i notice the Ack polling in Microchip's seeproms.
>
> > By the way, are royalties still due to Philips? Or have the copyrights
> > expired. Just curious, i read something about it time ago.
>
> > bye, Jim
>
> If you limit yourself to 400 kHz and 10 bit addressing, no royalties.
> Our company contacted the Philips legal folks a couple years ago to
> clear it up for ourselves.


Do you mean no more than 400 KHz and no more than 10 bits? Or
should there be royalties for 100 KHz and 7 bit addressing?
The last time I talked with Philips they said it was okay to
use I2C if there were Philips chips on the bus. In our case
this is generally true.