• Problem on reading pin.
    I use a LCD 1261B and I don't know why I can both read and write to the LCD in ASM but I can only write but not read from LCD(even I set bit to make the pin ready to read).Do any of you have any idea...
  • interfacing MAX1232 to at89c2051?
    Hi ! How to interface(soft ware wise) MAX1232 to at89c2051? Thanks in advance, nag
  • AT89C2051, ADC, Microcontroller,
    Hello, I am a student and currently working with AT89C2051. I'm new to this microcontroller. I,m using it in a circuit in which I need to compare a variable analog input to reference voltage using analog...
  • Reading Pins
    Dear All, I've tried to read the pin of Port1 , but i failed . I should write one to it right ? , how do i read a one again ? If i tried to write the following code,it works without checking the...
  • Help Needed For AT89C2051
    Hi to all, I am an advanced sortware engineer specialising in c compiler programs. By a guided book of " Projects in C for U" . I am building my latest project but I am having errors. I have tried attach...