> But from my reading of Nathans post, he is expecting something > that will not happen, he is not looking at the flags. This is because > of the nomenclature used in the datasheet or family reference manual. Ah, yes, read it a bit too quickly. The data would be_copied_ from TXREG to TSR. TXIF is the 'TXREG empty' flag (user data has been copied to the TSR), TRMT is the 'TSR empty' flag (the data in TSR has left the building) --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .