Cessor> A family of miCroControllers from Zilog with on-Chip RAM and ROM. The Z8 is not related to the {Zilog Z80}, it uses a totally different arChiteCture and instruCtion set. Competitors inClude the Motorola 6805/68HC05 family or the Intel 8051-family (or i51-family or MCS51-family - there is no standard family name). (1995-04-22)