• Question about Timer & UART?
    Program: void main(void) { unsigned char t_f = 0; TMOD = 0X21; TH0 = 0XB8; //0XB800 ---> 20ms TL0 = 0X00; // TH1 = 0XFD; //0XFD ---> 9600,T1, // TL1 = TH1; RCAP2L = 0Xdc; //dc-- 11.0592...
  • A question about XC167CI simulator speed
    Hello all, I have used dave to setup a CPU speed to 20Mhz, by PLLCON = 0x7814; // load PLL control register To my surprise, while simulating a XC167CI, an interrupt that was programmed to occur every...
  • A question about timer configuration
    Hi all, I am relatively new to the ARM family and I didn't find an answer in the documentation, unfortunately... I am trying to change the interrupt rate of my STR7's timer 0. I have an 16[Mhz] external...
  • "using 0" and R0 fun (repost with product field filled in this time)
    With apologies for my oversight, I repost this for the benefit of someone searching the forum by product. We just figured out that placing "using 0" after an interrupt handler definition is a bad idea...
  • Wind speed sensor question
    I am using the C51 compiler and have code for the silabs C8051F120. I have built a wind speed sensor with a rotary encoder but it seems to top out at 42mph. I know there have been gusts greater than...