• at89c51 and at89s52
    what is the difference between at89c51 and at89s52..
  • AT89C51 and AT89S52
    How many registers present in AT89C51 and AT89S52
  • AT89S51
    Any one know the circuit diagram for in-system programing of AT89S51.For sending hex file to IC which software we can use?
  • Chip conversion AT89C52 to AT89S52
    I am using keil ver 6.12 and it does not support the newer chip AT89S52. All i want is to transfer my written program into it and do not realy requires the the functions provided in upgrading the software...
  • Serial Communication w/ AT89C51 or AT89C52
    I want to have a simple program to print something out using hyperterminal. Also it would be nice to receive a character and echo it back. I have been able to do this in assembly but I can't get it to...