8051 Architecture | Microcontroller › 8051 › 8051 Architecture This topic has 1 reply, 2 voices, and was last updated 13 years, 10 months ago by Amit Joshi. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts February 7, 2011 at 8:20 am #668 CalebParticipant hi there……………….. Why 8051 need 2 clock cycle for 1 system state? February 9, 2011 at 1:53 pm #5490 Amit JoshiParticipant i am not getting what is system state? 8051 need 12 clock cycle for a machine cycle. and there are various instruction sets in 8051 assembly which need one ,two ,three or four machine cycles Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In