Phil Cross wrote : > > John Nall wrote: > >Did you look at the P18F452.INC file ? > > Yes I did. It contains the values generateded by __CONFIG, > but not by CONFIG. It does, if you're not using some old version of MPLAB, but why would you ? Here is the (start of the) rellevant part of my copy of P18F452.INC (MPLAB 7.30) : ; ========================================================================== ; ; IMPORTANT: For the PIC18 devices, the __CONFIG directive has been ; superseded by the CONFIG directive. The following settings ; are available for this device. ; ; Oscillator Selection: ; OSC = LP LP ; OSC = XT XT ; OSC = HS HS ; OSC = RC RC ; OSC = EC EC-OSC2 as Clock Out ; OSC = ECIO EC-OSC2 as RA6 ; OSC = HSPLL HS-PLL Enabled ; OSC = RCIO RC-OSC2 as RA6 ; ; Osc. Switch Enable: ; OSCS = ON Enabled ; OSCS = OFF Disabled ; and so on... -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist