70402RE: [softrock40] Re: Did I kill my Si570?
- Nov 25, 2012Pull the AVR ... take it out of the equation. With power only to the Si570 it should oscillate at its default freq ... check with scope ... both input data lines should be high.
Date: Sun, 25 Nov 2012 19:28:56 +0000
Subject: [softrock40] Re: Did I kill my Si570?
--- In email@example.com, MIKE DURKIN <Patriot121@...> wrote:
>Done - twice
> Re-flow the si570
>remove most of the solder and recheck...Yup,
>might be a solder bridge ...Don't think so
>or wrong startup freq.Well it appears to be OK 28.2MHz
> Got a scope? See if it has output on the output pins(pin if Cmos)Yes, and no in that order :-( well there might be fleeting bits of signal as the xo jumps to a 'sensible' value than the off again.
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