• at89c51 and at89s52
    what is the difference between at89c51 and at89s52..
  • AT89C51, AT89C52 , AT89S51, and AT89S52
    what are the difference between AT89C51 and AT89C52? what are the difference between AT89S51, and AT89S52
  • about AT89S52
    can you help me with some programming code to have a 2 inputs. i have 4 LED in the circuit. i want different outputs or i can make 4 inputs. i really need help for this project.
  • AT89C51 and MT8888C
    Hi friends: Have to ask you other questions. Right now I am running my program on my experiment board. After resetting AT89C51, Should the initial values of P0 port be 0Xff? Why mine are 0x00? Should...
  • AT89S52
    hey.. am doing my project, i need asistance... as a biginer. i got uvision4 software. can any one give me some manul or somthing to study both. microvision4 in that there is option "select device...