Microchip enters the USB -> UART chip business:
"The MCP2200 is a USB-to-UART serial converter which enables USB
connectivity in application that have a UART interface. The device
reduces external components by integrating the USB termination
resistors. The MCP2200 also has 256-bytes of integrated user EEPROM.
The MCP2200 has eight general purpose input / output pins. Four of the
pins have alternate functions to indicate USB and communication
status."
http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en546923

-- 
Martin K.
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