Ian McLean wrote: > -I think you have missed my point. Try putting the PIC into a tight > loop sending characters to the USART (no receive). Then plug the USB > cable into the FT chip and watch via a terminal emulator. The first > couple of characters out are garbled. I assume you mean the PIC UART is connected to the FT232 chip. When does this "tight loop" start? Obviously the FT232 chip won't fully function until it is enumerated and set up by the USB driver on the host system, which won't happen immediately after the USB cable is plugged in. You are waiting until the chip is fully enumerated and set up, right? ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.