Lpc2000

I am reading two different defintions regarding the funtion of 
pin#10 on an LPC2131 in the User Manual.  In Table 48 pin#10 (P0.26)
is defined as AD0.5,or AD converter 0, input 5.  But, in Table 51: 
the Pin Function Select Register (PINSEL1), P0.26 is defined as 
reserved, meaning it can not be used for anything?

Which is it?  I really need another ADC input, so if P0.26 is indeed 
an AD input, great.  Otherwise, if it is reserved, I will have to 
figure something else out.

Can anyone please help!!

Thanks,
Dave