Messages in this thread | | | Subject | Re: A/D converter | Date | Wed, 21 Apr 1999 13:59:48 +0100 | From | Philip Blundell <> |
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>The maximum number available is slightly less than 50,000. This is >on my fastest dual-pentium 400 Mhz. Other machines I have tested are >slower.
That equates to one interrupt every 20us, which seems pretty slow. Did you attempt to discover what the bottleneck was? You might find that the parallel port circuitry is slowing things down -- the ACK pin doesn't connect directly to an interrupt line.
p.
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