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Hi Brian,
The core does handle 10bit addresses, since this
addressing scheme is an extension using the original 7bit scheme.
"10-bit addressing is compatible with, and can be
combined with, 7-bit addressing. Using 10 bits for addressing exploits the
reserved combinatin 1111xxx for the first seven bits of the first byte following
a start or repeated star condition."
(taken from the philips I2C-rev3
specs).
The core, as it is right now, supports a
single master configuration only in which the core is the master. It is a master
only, meaning it does not support slave operation and hence has no need for an
ID.
Richard
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