you have to use EEPROM | Microcontroller › AVR › how to program mc 89c55 › you have to use EEPROM February 4, 2016 at 10:13 am #13695 Ashutosh BhattParticipant you have to use EEPROM programmer becuase all available ATMEL programmers are for 89C51/89C52/89S52 only
