Re: How to add I2C device disable preamble?

As Bob Paddock wrote:

> In the past I have used the 10-pin ISP connector to do exactly what
> you propose.  Plugging in the ISP cable changed the state of a
> multiplexer.  Alas I don't have the space for that in this design,
> unless someone has a zero space way to implement it?

Not a zero-space way, but if it's possible to fit a 4066 still onto
the PCB, couldn't you use the /RESET signal to cut off the SPI
interface from the I²C lines when /RESET is pulled low?

-- 
cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)