Electron wrote: > After re-reading for the nth time all datasheets, I found it by myself: > > --- > > Note: The IPL<2:0> bits become read only bits when interrupt nesting is d= isabled. See Section 6.2.4.2 =94Interrupt Nesting=94 for more information. > > --- > > I had disabled Interrupt Nesting due to a bug of this chip revision.. :/ > > Now I have to choose from two evils. > > Greets, > Mario > = I had overlooked that as well....thanks for posting back with that, as = it will undoubtedly be useful in the near future! -- = Regards, Stephen D. Barnes -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist