How to install the extension DLLs
The DLLs work only with Vision2 V2.30 or higher versions. 
1. Copy the DLLs in the subdirectory \keil\c51\bin.
2. Open the file TOOLS.ini in subdirectory \keil and include the following part in the section [C51]:

 AGSI3=I2C.DLL ("I2C simulation")

!!!!If Vision2 is open during the procedure you have to restart it.


How the extension DLLs work
After starting the simulation you will find the following new entries in the folder Peripherals:
I2C-simul

