Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!iuvax!cica!tut.cis.ohio-state.edu!rutgers!cmcl2!phri!ccnysci!jhuang From: jhuang@ccnysci.UUCP (Jian Huang) Newsgroups: sci.electronics Subject: chip for step motor control Keywords: help Message-ID: <2968@ccnysci.UUCP> Date: 8 Sep 89 04:27:16 GMT Organization: City College of New York Lines: 8 I am looking for a stepper control chip. There are some good chips for DC motor such as National LM628, but only a few step motor control chips which can not meet my requirement: 100k pulse rate, changing parameters (speed, target position) on the fly. I would appreciate if anyone can give me some help. Thanks. --