• Problem In PCA timer
    Hi to all For My project using 89c51ed2 controller.In this I need 4 timers (Two for counter&Delay purpose.Timer0 for Serial port).So I decideded to use PCA as software timer.Problem is I cannot understand...
  • interupt problem with PCA
    Hi, I have written a interuppt program for 1 second time delay. I am inserting the code with this mail, I am using pca with timer0 overflow as time base for pca. the timer 0 overflows at every 250us...
  • P89C51RD2 PCA interrupt problem
    Hi everybody, I'm working on P89V51RD2 at 11.0592Mhz from NXP with Keil uVision3, and I have got a problem on the PCA interrupts. The code I'm going to show you, is the simplified version of my...
  • PWM using PCA in AT89C51CC01
    hello all, I am working with AT89C51CC01.I want to see o/p of PWM using PCA. The code is as follows. void main() { CMOD = 0x02; // Setup PCA timer CL = 0x00; CH = 0x00; CCAP0L = 0x40; /...
  • ..how to stop PCA..
    hello all, I m working with AT89C51CC01. My task is to generate PWM as required n stop when not required. For this i had make one program in Keil uVision4. Check the code as follows. #include...