• Interrupt problem
    hi, I use a 8051 core micro controller in one of my applications where i am suppose to control the motion of a motor. I have used encoder feedback as a measure of motion. The encoder pulses are given...
  • interrupt problem
    Scenario : Need to generate a 15Khz clock and enable the serial port . Individually both work but I cant get this to work , help. void init_timer() { SCON = 0x50; TMOD = 0x22; TH1 = 0xFA;...
  • Still problem with SPI Interrupt
    Using Atmel AT89C51CC03, and having very strange problem with SPI. My interrupt routine is like this: void SPIISR(void) interrupt 10 { if (SPSCR == 0x88) {P1_0 = ~P1_0;} tmpchar = SPDAT; SPDAT...
  • Interrupt exit problem
    hi all... i am using 89s52 with 3.7v li-io battery. i have made a small circuit in which i want to exit idle mode.... as soon as the power is switch on my 89s52 with enter the idle mode. so to exit...
  • external interrupt problem
    Hello, This problem begins to drive me crazy : With a 87LPC767, I try to transmit a square signal via TXD. With a button, I choose the period of the signal. The button is linked to the interrupt...