Bob Camp <[email protected]> ha scritto:
Hi
I believe your second counter (the one that starts on one edge and
stops on the other) will have trouble. It is unlikely you will get
your 14 ns resolution out of it.
Are you thinking to sync logic inside the device or
other problems? (not considering "defects" like bugs or silicon errata).
The analog TDC is a fine idea. Cheap, easy,
Easy for many, not for me. This is why
I like the idea to play with the TAC, I have very
little experience with such high speed stuff, it's like
going where I've never been, so I'm curious.
and requires a few parts that are not built into the micro
controller. The simple answer is to use a cheap CPLD (possibly sub
$2) for a bunch of this stuff and move on.
A possible way to go if I cannot reach meaningful results
form the Idea I want to try.
Now I dont have pld stuff at hand, I should make a board
and buy the parts, or search for devboards,
while the micro stuff I have is there, ready to go :)
Fabio.
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