Need to communicate with, or emulate, an I²C Bus slave device? iPort Message Manager, our free I²C Bus Master/Slave messaging software, makes I²C Bus communications quick and easy. 

• Use Message Manager as an I²C Bus Master to communicate with a slave device. 
• Use Message Manager as an I²C Bus Slave to automatically respond to a bus master device. 
• Use Message Manager to detect or generate Interrupt signal activity.

• Supports Master Write, Master Read, Master Write/Read, Slave Write, and Slave Read operations.
• Edit Slave Address, Message Data, Bytes to Read, with Repeated-Start and Auto-Repeat options.
• Compatible with all 7-bit addressable I²C slave devices. 
• Supports Multiple Masters, Bus Arbitration, and Interrupt Signal detection and generation. 
• Supports General Call (0x00) detection and generation.
• Configurable Serial Port and I²C Bus Clock Rates. 
• Supports all MCC I²C Bus host adapters.

Update V5.4.0 Corrections:

• None

• Add support for iPort/USB (#MIIC-204).
• Add support for iPort DLL/USB (#MIIC-201D/U).

This copyrighted product update is offered free of charge to current licensees of the iMsgMgr.EXE I²C Message Manager Program. Its use is covered by the MCC license agreement provided at the original time of purchase.

1. Click the Download link below and save the ZIP file into a new installation folder on your Windows based PC.
2. Unzip the file iMsgMgr540.zip. This ZIP file contains all iPort Message Manager files and USB Virtual Com Port drivers.
3. Double click on iMsgMgr.exe in the installation folder to start the program.
4. See the iPort Message Manager section of the I²C adapter's User's Guide for instructions on using this utility program.