[Tinyos-devel] more bugging about current consumption on Mica Z
in tinyos-2.x
Murray, Ben
Ben.Murray at thalesgroup.com
Wed Aug 1 10:40:36 PDT 2007
> > With the BOD disabled I get the same results as originally posted
> > (hundreds
> > of uA at 3.0V, hundreds or tens of uA in the 2.5-2.8V
> region, <10uA
> > at about
> > 2.3-2.4V, and hundreds again at 2.1-2.2V) With BOD fully enabled
> > (wr_fuse_l=24) the current stuck at around 8-9mA (note: mA,
> not uA)
> > and with
> > it part-enabled (wr_fuse_l=A4) the same pattern as the
> original was
> > observed
> > between 2.7-3.0V but at anything less than 2.7V the current jumps
> > up to the
> > several-mA region.
> >
>
> I ran tests on some micaZs here and didn't see the same
> behavior. The
> current jumped to the mA region at about 2.2V, but before that point
> was 2-6uA.
>
> Other folks in core who have micazs are going to test them.
>
> Phil
>
Thanks for trying...I thought it'd just be me!
...but I have no idea why. Dodgy motes aside, are there any other settings
aside from the fuses that might be interfering with mcusleep.sleep? Perhaps
something setting an interrupt that shouldn't be, or something I have failed
to initialise?
Standard T2 install, unmodified makefiles, unmodified .nc files.
can I ask what your default fuse settings are for fuse_h fuse_l and fuse_e?
Ben
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