• Ports of 8051
    Hello everyone i want to know that why there are pull up resistors with only port-0 and rest ports have internally connected resistors.
  • 8051 serial port
    i want to set the baud rate of AT89S52 to 9600 to connect to a wireless module that work on the same baud rate . The output should be any number from 1 to 9. This is my code for the serial port, but...
  • write to serial-port of the 8051 :-(
    Hello, i have a Question and hope that somebody can help me. I would like to write the PSW and maybe the Register after every Instruction/Change to the Serial-Output of the 8051. Is that somehow...
  • 2input serial port with 8051
    I have a problem with interfacing two serial port with 8051 microcontroller. I have to use bar code reader and RF reciver and transmitter which both of them interfaced serially. I am thinking to add...
  • printf serial port 8051
    Hi. Why does TI need to be set before printf is called. TI = 1; printf("Hello world\n"); Whereas in assembly TI should be cleared before a char is put in SBUF, so it can be tested to see if...