Hi, I have I2C master code which works with I2C eeproms, but i cannot speak to slave (addresses does not match). What value must be put into SSPAD : 'address' or 'address << 1' ? Ivan Cenov okto7@botev.ttm.bg, icenov@yahoo.com http://www.geocities.com/SiliconValley/Network/9276/ Do what have to do, let happens what it wants.