Hi,
from much time i need that,
connoect a msp430g2553 to a serial converter or in my case to a friendly arm serial port, ttl level and simply comunicate with a i2c bus.
I have also perl library and examples.
Specific driver for io expander and 18 bit ad converter on i2c bus.
Very easy to add functions.
Developed under GPL
jkroby@p3r.info
I use maximum speed of 115200 baud but i think it can go faster.
at 115200 baud 8Mhz 3V is tested and full running every days.
It is a part of a heating system.
