• Problems working with timers and serial ports simultaneously
    I required the usage of serial port 1 on a Dallas 89C420. In order to use it i checked the example program Interrupt-Driven Serial I/O Support for printf filename "intsio.zip". The example was adapted...
  • Problem in using the timer 0 for delay in serial interrupt
    The code is below, it run perfectly when i run it step by step during debugging. But when i run it continuously it stuck somewhere after executing the ISR. Is there any mistake i done? please...
  • Dual use of timers with serial port
    I'd like to find out if it is possible to use a timer for general purpose timing/counting and then configure it midway through the program for serial port baudrate setup,transmit data and then reconfigure...
  • problem with timer
    Can any one help me plz This is the code for some delay on p1.0 pin org 0000h mov tmod,#01h back: mov th0,#0f0h mov tl0,#0f0h setb tr0 cpl p1.0 here: jnb tf0,here clr tr0 clr tf0 jmp...
  • Timer and serial port
    I am doing a project and want to use both the serial port at 2400bps and timer 0 for timing ticking. for the serial: my setting is that: TMOD=0x20; TH1=-13; TL1=1; SCON=0x50; for the timer...