#### Krumlink

##### New Member

8mhz/4=2MIPS

1/2M = 1.25*10^-7 (1 second divided by 2 MIPS = seconds per cycle)

1.5/1000 = 0.0015 (1.5msc desired divided by 1000msc = 0.0015)

0.0015/(1.25*10^-7)=3000 cycles

Then to get the 1.5msc pulses I divide by 2, so 1500 clock cycles per wavelength.

Using a similar method, I have tried to create 38khz IR signals but the IR receiver hooked up to receive the signals does not indicate a pulse. Is my math right?

/////////////////////////////////////////////////////////////////

38khz timing

/////////////////////////////////////////////////////////////////

1/2MIPS = 5*10^-7

1/38khz = 2.631578947368^-5

38khzanswer/2MIPSanswer = 52.6316 cycles

divide by 2 = 26.3158 cycles per wavelength