For those still interested in the 10 MHz to 32 KHz divider issue, I offer the PIC source to a tested divider that runs in an 8-pin DIP package device:
http://www.ni6e.com/time/10M32K.html Regards, Peter Tom Van Baak wrote: > Since synchronization is more important than jitter in this > application it's easy to generate 32 kHz from 10 MHz. > > A 10 MHz clock into a PIC gives a 400 ns/instruction time. > > To produce 32.768 kHz you flip an output pin put every 38 > instructions, except that 9632 times per second you make > it 39 instructions instead. > > The result is 65536 bit flips per second (giving a frequency > of exactly 32768 Hz) consuming 2 500 000 instructions per > second. The output accuracy equals the input accuracy. > The output jitter is as most 400 ns. > > /tvb > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
