View Full Version : Pb with VDIP1 of FTDI ( in mode spi ) usb key not detected

07-04-2009, 12:07 AM

I use VDIP1 of FTDI

I want use VDIP1 only
I connect the alimentation 0 + 5V
I set the Pin AD3 on 0V with a resistor·(value 1k)

see attachement

I insert the USB key ( I have try with several keys differents )
When the J3=0 and J4 = 3,3V the VDIP1 don't detect the USB key
When the J3=3,3V and J4 = 3,3V the VDIP1· detect the USB key and the Key is enumerate

Have you an explanation ?
Could you help me ?


07-08-2009, 09:17 PM
There is someone for help me ?