Have a look here: www.cypress.com/
By the way... a picture of your schematic does not help much to find any error. Better is to post the complete project. To do so, use
Creator->File->Create Workspace Bundle (minimal)
and attach the resulting file.
Hyperterminal is a Windows application, and is part of the Windows distribution (you might need to add it from the windows component installation screen though). It is used to communicate with appliances via the serial port.