[time-nuts] Thought experiment on a low cost timing board
didier at cox.net
Thu Feb 23 23:17:36 EST 2006
Silabs has some 8051 cored chips that run at 100 MHz with close to 1
instruction/cycle. I use them (not for timing), they really are speedy.
The C8051C123 runs at 100 MHz with 2 built-in DACs (and a bunch of other
goodies, such as 128kB of flash, 8k of RAM, 2 x 8 input ADCs, one 8
bits/500ks/s, one 10 bits/100ks/s I believe)
For prototyping, they have the C8051F330D which runs at 25 MHz with a 10
bit DAC in a DIP package.
They have very affordable and well designed development kits too.
SAIDJACK at aol.com wrote:
>I know of a solution that uses an 8051 internal counter running at 32MHz
>(Philips LPC932 8051) to do capturing of the 1PPS pulse with 33ns resolution, no
>Some 8051's even have the DAC required to steer the OCXO built-in...
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