3.3V tolerant configuration interface Spartan 3

This is with reference to page 33 of Xilinx's Spartan 3 Family: Functional Description. Paraphrasing from the documentaion: "To power the Dual-purpose config. pins apply 3.3v to VCCO_4 and VCCO_5. For the Dedicated Configuration pins apply 2.5V to the VCCAUX lines. In order to acheive 3.3V tolerance, the dedicated inputs requires series resistors that limit the incoming current to 10mA or less".

OK.

So on my board, I have hard-wired all the VCCO banks to 3.3V, VCCAUX to

Am I am missing something here or why would use resistors on the Dedicated pins which are already operating at 2.5V while the dual-purpose pins are 3.3V.

I know it something really small print I have forgotten to catch.

I appriciate all your help.

Thanks Yaju N

------- BYU ECEN Dept. Provo Utah