See JAL code and schematic here http://www.techtir.ie/node/1003699
On Sunday, July 28, 2013 3:41:24 AM UTC+1, Ing. Pavel Milanes Costa wrote: > > > I want to make a frequency counter for zero to 250 Mhz, with 2 external > prescaler, using direct counting for low freq's, med prescaler to about > 50 Mhz and a dedicated prescaler for above 50 Mhz - 250 Mhz+ > > But I have not a clue how to use the timer1 as an asynconous 16 bit > pulse counter of the PIC16F88 I have for the project. > > Output will be to a cheap 4bit LCD or UART serial to a PC, click will be > HS 20 Mhz XTAL... > > Other candidate is a PIC16F628 in my junkbox. > > Math is not a problem when I can say something like: > > <pseudo-code> > a = count(pin_b1,100) -- count pulses on pin B1 for 100ms > </pseudo-code> > > Any clue, sample code or tip is welcomed. > > 73 de CO7WT, Pavel in Cuba Island. > -- You received this message because you are subscribed to the Google Groups "jallib" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/jallib. For more options, visit https://groups.google.com/groups/opt_out.
