How to implement software UART in AT89S52 using Keil | Projects › Projects › How to implement software UART in AT89S52 using Keil This topic has 1 reply, 2 voices, and was last updated 10 years, 1 month ago by AJISH ALFRED. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts February 23, 2014 at 9:31 am #2886 ManuParticipant I want to implement software UART in Keil with AT89S52 but don’t know how to set required port pin as Tx and Rx and how to set baud rate and the way of communication it is a interesting part so please any one give suggestions. March 1, 2014 at 5:09 am #11141 AJISH ALFREDParticipant Hi, It depends on the software (code) which you are using. Could you please post it here to get better help? 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