yes, u can replace it. 89S52 | Microcontroller › 8051 › Celsius & Farenheit Scale Temperature meter › yes, u can replace it. 89S52 April 28, 2016 at 6:27 pm #13903 Ashutosh BhattParticipant yes, u can replace it. 89S52 is fully pin competible to 89C52/51
