The L6203 is an H-bridge power stage. As such it does not have anything to do with the step and direction timing requirements. They would be determined by the earlier stage of the signal path, often referred to as the " translator".
Steve Stallings > -----Original Message----- > From: Jeff Epler [mailto:jep...@unpythonic.net] > Sent: Tuesday, May 19, 2009 8:19 AM > To: Enhanced Machine Controller (EMC); '@unpythonic.net > Subject: Re: [Emc-users] I Need help optimizing the step > generation -I found some specs? > > On Mon, May 18, 2009 at 11:39:40PM -0700, Michael Jones wrote: > > LOGIC CONTROL TO POWER DRIVE TIMING > > Symbol Parameter Test Conditions Min. Typ. Max. Unit > > Source Current Turn-off Delay 300 ns > [...] > > > > Does this help in deciding on the "correct" values to plug > in to EMC? > > No. These appear to be specifications of timings internal to > the chip, not specifications of the input timing requirements > of the chip. > > Jeff > > -------------------------------------------------------------- > ---------------- > Crystal Reports - New Free Runtime and 30 Day Trial Check out > the new simplified licensing option that enables unlimited > royalty-free distribution of the report engine for externally > facing server and web deployment. > http://p.sf.net/sfu/businessobjects > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Crystal Reports - New Free Runtime and 30 Day Trial Check out the new simplified licensing option that enables unlimited royalty-free distribution of the report engine for externally facing server and web deployment. http://p.sf.net/sfu/businessobjects _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users