In message <34A5FC61.38E1@worldnet.fr>, ZyLog writes >Hello ! > >Do you think we could use the value inside the RAM on a Power On Reset >like a true RANDOM number ! > In my experience, RAM bits generally reset to similar values each time, and wouldn't satisfy the criteria for pseudo-random numbers. Leon -- Leon Heller: leon@lfheller.demon.co.uk http://www.lfheller.demon.co.uk Amateur Radio Callsign G1HSM Tel: +44 (0) 118 947 1424 See http://www.lfheller.demon.co.uk/dds.htm for details of my AD9850 DDS system - schematic and software.