On Feb 25, 2:05=A0pm, "bill" <williamsmit...@[EMAIL PROTECTED]
> wrote:
> Hi All
> I am currently using a 18f4431 to control motor position. During program
> execution I have a few variables I store to the internal Data EEProm.
Some=
> of these get updated every time the motor is commanded to move, and some
> only during a calibration routine which may only happen once. But all
> variables get read during a power up. The problem is these varibles are
> getting corrupt after a power down-power up. During exectution I am
readin=
g
> the data EEProm values and outputting them to a HyperTerm =A0screen, so
it=
> appears the are being stored Okay. I have the brown out voltage enabled
to=
> 2.0 v. I don't understand how come they are not correct after a power
down=
,
> could anyone please Help.
Suggest you to increase the brown out voltage. Also i fail to
understand how you have set the BOV to 2.0 as datasheet tells me you
can't set the BOV to 2.0V for 18F4431
-dK


|