[sdiy] analogDNA

[René Schmitz]

Daniel Kruszyna wrote:
> Rob <rob at emulatorarchive.com> wrote:
> 
>>I2C is a serious contender, but I'm using SPI on the module PCB's - so maybe
>>I could mix them? CAN is certainly more complex but its becoming popular.
> 
> 
> i2c is intended for communication between chips on the same board. Not that
> you can't use it to connect modules, but it lacks differential signaling
> for noise immunity and may have a bus length limitation. (anyone know?
> CAN's is 40m at 1Mbps)

Would something speak against inventing an ad hoc physical layer? And 
then just run an i2c "protocol" on top of this?

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159