As Apple MFI program Coprocessor hardware on Carberry is ready, this subsystem, in details, will implemented in following firmware releases.
Now you can read and write raw data from Apple Coprocessor.

Carberry will be sold whithout MFI Apple Coprocessor.

Some useful links:

• https://developer.apple.com/programs/mfi/
• http://en.wikipedia.org/wiki/MFi_Program