Lpc2000

> From the LPC2148 documentation it is not clear how the P0.31 pin
> should be used for CONNECT feature.
> Particularly, in the schematic p.32 of datasheet the pin is connected
> to GND trough the relay winding, thus disabling the JTAG port, see
> p.10 of the datasheet.

The page 32 diagram is referencing a pull-up.  Refer to section 7.1.5.1 of
the USB specification.  

> Is there a schematic of a working connection of pin P0.31?

http://www.olimex.com/dev/pdf/LPC-P2148.pdf

When PINSEL0 P0.31 is configured for CONNECT, refer to page 225 of the User
Manual for control of this pin.


Joel