Crist=F3v=E3o Dalla Costa >> The most straightforward way of implementing what you're doing, is to >> enable >> Rx interrupt, and in the ISR put the byte you received into the TXREG >> (without enabling the Tx interrupt). > > > Why not enable both interrupts? Because it's pointless (assuming the OP is not trying to do something out o= f = the ordinary). You only use interrupts when necessary, or when they make = your life easier. Vitaliy = -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist