I was using 100nF and tried 4.7uF. No luck. Same behavior. Mark On 23 Oct 2004 at 13:43, Henry Carl Ott wrote: > > That 4.7 uf cap seems a little large to me. > I don't know if there is a maximum rise time on the reset signal, but > something in the .01 range might be more appropriate. > > -carl > > > At 12:25 PM 10/23/2004, you wrote: > > > > Hi, > > > > I'm having a weird problem with a Mega8 running on the > >internal clock oscilator at 1 MHz. The internal Power-on Reset > >seems not to be working. > > Every time I power up the circuit, I have to manually reset > >the Mega8. The power at the Vcc pin rises from 0 to +5V in 4mS. > >The RESET pin has a 22k to +5V and 4.7uF to GND. > > Have tried several fuses combinations but no luck. > > Am I missing something? > > > > Thanks. > > Mark Jordan > > > > > > > > > > > >Yahoo! Groups Links > > > > > > > > > > > > > > Yahoo! Groups Links > > > > > > >
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Re: [AVR-Chat] Mega8 Reset problem?
2004-10-23 by Mark Jordan
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