Re: [time-nuts] PIC processor CTMU module used for sub-ns TIC applications?

2011-04-16 Thread Poul-Henning Kamp
In message <4daa7be5.5060...@sfr.fr>, cook michael writes: >Le 17/04/2011 00:20, beale a =E9crit : >> The application note merely asserts the possibility, but neglects to >present a specific design. Has anyone here attempted to use a PIC CTMU >in that way? I tried it when I had a pic18f25j50 in

Re: [time-nuts] PIC processor CTMU module used for sub-ns TIC applications?

2011-04-16 Thread Bruce Griffiths
beale wrote: I see Microchip application note AN1375 at http://ww1.microchip.com/downloads/en/AppNotes/01375a.pdf suggests that the CTMU module included in some recent PIC parts, for example PIC18F46J11 can be used as a TIC building block for interpolating time intervals with sub-ns resolutio

Re: [time-nuts] PIC processor CTMU module used for sub-ns TIC applications?

2011-04-16 Thread cook michael
Le 17/04/2011 00:20, beale a écrit : The application note merely asserts the possibility, but neglects to present a specific design. Has anyone here attempted to use a PIC CTMU in that way? The app note doesn't give a complete design, but the principle of precision time measurement is explained

[time-nuts] PIC processor CTMU module used for sub-ns TIC applications?

2011-04-16 Thread beale
I see Microchip application note AN1375 at http://ww1.microchip.com/downloads/en/AppNotes/01375a.pdf suggests that the CTMU module included in some recent PIC parts, for example PIC18F46J11 can be used as a TIC building block for interpolating time intervals with sub-ns resolution. I gather thi