Interface RTC pcf 8563 with 89c52 | Microcontroller › 8051 › Interface RTC pcf 8563 with 89c52 This topic has 0 replies, 1 voice, and was last updated 10 years, 1 month ago by Jenifer. Viewing 1 post (of 1 total) Author Posts March 27, 2014 at 5:24 am #2988 JeniferParticipant Hai….. I need to interface PCF 8563 with 89c52….. Can anyone help me with the ASM codes Thanks in advance Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In