Lea wrote:
>         Hi, all.
> I'm on a proyect to build a small and very dumb controller to drive a stepper
> motor, the program just start when one pin go to low state and move the
> motor at about 80pps for 10 seconds, that part is O.k. works fine,
> but It must work fine at the space for about a week, shuttle nominal
> altitude, so the question is: which kind of device to do this is better:
> EEPROM, EPROM or FLASH??.
[snip]

Go for the Flash.  Sooner than you can think the other devices will be
extinct. Probably the IAAAE (International Association Against Animal
Extinction) will be trying to keep them alive in captive zoos or
jurassic islands.... :)
--------------------------------------------------------
Wagner Lipnharski - UST Research Inc. - Orlando, Florida
Forum and microcontroller web site:  http://www.ustr.net
Microcontrollers Survey:  http://www.ustr.net/tellme.htm