On Wed, 18 Sep 2002, James Williams wrote: *>No, you are wrong it does not have to be EPP compatible. Only SPP which *>is compatibility mode, nStrobe signal, nBusy and nAck signals for write. *>You can also do nibble read. The point is it DOES NOT HAVE TO BE A EPP *>device. As long as your device does the following: *>1. Responds to an nStrobe negative pulse. *>2. Bring nBusy high in response to step one. *>3. Finally pulse nAck and bring nBusy low. Okay, I will try it out next time. But I see it as three pins on the interface, wasted. There are only 13 of them so this is a significant loss. I have made several parallel controlled devices in the past, that cannot dispense with these three pins. Peter -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads