" The ACS communicates over serial using the
programming port on the IFI controller. During
normal operation, the IFI and the coprocessor
exchange data once every 26.2 ms, alternating
sending and receiving as the IFI receives new data.
" from Adambots kickoff presentation (
http://www.chiefdelphi.com/media/papers/1900?)
well, that seems a bit slow (38 hertz), but i guess the program can be tweaked to go faster?