On Thu, 26 Mar 1998 19:42:37 -0800 Peter writes: >Hi, >Use the 16C554 It's a 14-bit chip too. The only serially-programmable 12-bit PICs are the 12C50X. The 554 or the 61 is a good choice as a 14-bit equivalent to the 54. The 16C54 code will have to be reassembled, and maybe a few changes made for the different special function registers. _____________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely free e-mail from Juno at http://www.juno.com Or call Juno at (800) 654-JUNO [654-5866]