Neil Cherry wrote: > I'm working with external ram on an ARM processor. How do I figure > out what # of wait states I need to use to properly access the > memory? Read memory data sheet to see how much time it needs. Read processor manual to see how much time each access gets, plus how much time each wait state adds. Make sure total result of B meets or exceeds A. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist