In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Alex Tee wrote: I use the FTDI232MB chip to made a USB Interfece for my SX20 SS chip, its function. Then i made the scand Interface, its same whit first one, but it can not function. When i plug it in, the SX power supply up from the USB 5V and can programmed by the SXKey. But on the computer Windows 2000 at ' Divice Manager, Universal Serial Bus controllers ' was detac " ! USB Device " its means computer can detac the USB interface but can not function. Then i pulg it out then pulg in the first one USB Interfsce, it function. Computer detac the USB Interface at ' Ports(COM & LPT) ' come out "USB Serial Port" and at the ' Universal Serial Bus controllers ' come out " USB Serial Converter"... What happen to my scand USB Interface? Its same whit the first one, but its can not use. what problem? ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=90573#m91553 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)