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I also have a question. My company are developing a device that must be on a stand alone base where info will be recieved via the GSM network.All info will be buffered on the device and the connected to the USB port of a PC. I only have RS232 capabillities on the design and would like to add a FTDI chip USB2RS232 chip on the design to addopt the 2. Can someone please point me in the correct direction. Not all PC's have RS232, but all have USB I am not allowed to open any case to add PCI cards and adding the USB2RS232 into my design will be the cheaper option. Where do I start to look for a CHIP that can do this conversion?
You've already mentioned FTDI:
http://www.ftdichip.com/
Your question suggests that you have little or no experience in this area, so I would recommend that you particularly look at their ready-made cable assemblies:
www.ftdichip.com/.../TTL-232R-3V3.htm
and modules:
www.ftdichip.com/.../HiSpeedModules.htm
Others to look at include Silicon Labs.
And Google "USB Serial Bridge".
You mention FTDI - don't you think that you should visit their web site and check what chips they have?
http://www.ftdichip.com/ http://www.vinculum.com/