89c51 is once programmable | Microcontroller › 8051 › 89S51 and 89C51 similarity or difference › 89c51 is once programmable June 25, 2013 at 5:39 am #10023 ABHIJIT PATTNAIKParticipant 89c51 is once programmable and you can’t erase it. but in 89s51 you can programme it many times
