[time-nuts] FE-5680A Schematics (v0.1)
eb4apl at cembreros.jazztel.es
Wed Feb 15 14:56:31 UTC 2012
I've contacted with the guy who dissected his FE-5680A in YouTube. I
offered to pay the shipping and he agrees to send the board to you, so
he needs your address. Please contact directly with me.
El 15/02/2012 2:31, Elio Corbolante escribió:
> at the following address:
> you will find the 0.1 release of the FE-5680A schematics.
> New additions:
> - pinout of the unpopulated (24 pin) connector (J9) behind the DB9
> - connections between CPU/MAX3232 and the *TWO* serial ports!!!
> - component values of the 10MHz filter + option on PCB to output a square
> 10MHz wave on DB9
> - connections between CPU and MAX1246 (A/D converter)
> - connections between XC9572 and MAX392 (quad analog switch)
> - unknown pins marked as '?'
> As you can see, it seems FE-5680A fully supports 2 serial ports:
> one on DB9 and the other one on the unpopulated connector (J9) behind DB9.
> Any comments/suggestions are welcome.
> . ciao
> _ Elio.
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