> I want to communicate LPC23xx with PC using USB Port. Now i
> am reading USB and have some doubts like USB Stack.
Quite a bit doubt.
> What is USB Stack
No idea - but we will happily sell you one. Or you could look here:
and get one for free.
Designed for Microcontrollers. More than 7000 downloads per month.
Certified by T as meeting the requirements for safety related systems.