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| Search found 5 matches |
| Author | Message |
|---|---|
 Topic: Restart problem / BROWNOUT question |
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| pfaerber Replies: 8 Views: 9326 |
 Forum: General CCS C Discussion Posted: Thu Mar 29, 2007 3:52 am Subject: Restart problem / BROWNOUT question |
| After a funny day of testing I have found it :-)
I have your program changed and can than see the error in a endlees loop. In this loop I found on the scope a smal (20ns) spike in VCC down to 4,2V. ... |
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| Topic: Restart problem / BROWNOUT question |
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| pfaerber Replies: 8 Views: 9326 |
Forum: General CCS C Discussion Posted: Wed Mar 28, 2007 1:19 am Subject: Restart problem / BROWNOUT question |
| I assume that you changed the fuses to add NOLVP. Like this:
#fuses EC,NOWDT,BORV45,PUT,NOPROTECT,BROWNOUT,NOLVP,NOWRT Do you still have the slow startup ? Yes I have the LVP change to ... |
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| Topic: Restart problem / BROWNOUT question |
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| pfaerber Replies: 8 Views: 9326 |
Forum: General CCS C Discussion Posted: Wed Mar 28, 2007 12:21 am Subject: Restart problem / BROWNOUT question |
| #fuses EC,NOWDT,BORV45,PUT,NOPROTECT,BROWNOUT,LVP,NOWRT
The EC fuse implies that you are using an oscillator. Are you ? Yes I use a 16Mhz oscillator. The signal is connected to pin 39(OSC1 ... |
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| Topic: Restart problem / BROWNOUT question |
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| pfaerber Replies: 8 Views: 9326 |
Forum: General CCS C Discussion Posted: Tue Mar 27, 2007 12:38 am Subject: Restart problem / BROWNOUT question |
| thanks for the fast replay
Look in the 18F6720 data sheet, in the Electrical Characteristics section. Here's the information from that section: Min Max VBOR B ... |
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| Topic: Restart problem / BROWNOUT question |
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| pfaerber Replies: 8 Views: 9326 |
Forum: General CCS C Discussion Posted: Mon Mar 26, 2007 7:02 am Subject: Restart problem / BROWNOUT question |
| Hello I has a problem when starting my board.
Sometimes it does not start, sometimes it run perfekt. If I switch BRONWOUT off or to BORV42 all run perfect. Can someone explain this? my t ... |
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