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| Search found 5 matches |
| Author | Message |
|---|---|
 Topic: PIC 16F877 PLCC 20Mhz oscillator not working |
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| alanr Replies: 10 Views: 21700 |
 Forum: General CCS C Discussion Posted: Fri Jun 18, 2004 9:34 am Subject: PIC 16F877 PLCC 20Mhz oscillator not working |
Bingo! just checked the part we are using and it is the 4Mhz version, doh. I'd just like to qualify that I didn't build the circuit and I am a software engineer not electronics 
Thanks for a ... |
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| Topic: PIC 16F877 PLCC 20Mhz oscillator not working |
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| alanr Replies: 10 Views: 21700 |
Forum: General CCS C Discussion Posted: Fri Jun 18, 2004 9:10 am Subject: PIC 16F877 PLCC 20Mhz oscillator not working |
| Donnie,
that is what we have. Cheers, Alan |
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| Topic: PIC 16F877 PLCC 20Mhz oscillator not working |
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| alanr Replies: 10 Views: 21700 |
Forum: General CCS C Discussion Posted: Fri Jun 18, 2004 8:20 am Subject: PIC 16F877 PLCC 20Mhz oscillator not working |
| Gerrit,
Yup, I am using HS in the #fuses settings Alan |
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| Topic: PIC 16F877 PLCC 20Mhz oscillator not working |
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| alanr Replies: 10 Views: 21700 |
Forum: General CCS C Discussion Posted: Fri Jun 18, 2004 7:38 am Subject: PIC 16F877 PLCC 20Mhz oscillator not working |
| OK, we tried the inline resistor, this didn't work, I'm not sure that the scope probe theory is the problem either, we use the same 20Mhz oscillator circuit with an 18F452 and can use the scope on inp ... | |
| Topic: PIC 16F877 PLCC 20Mhz oscillator not working |
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| alanr Replies: 10 Views: 21700 |
Forum: General CCS C Discussion Posted: Thu Jun 17, 2004 4:07 am Subject: PIC 16F877 PLCC 20Mhz oscillator not working |
| I am using the PIC 16F877 PLCC to drive a keypad and lcd. We are trying to use a 20Mhz crystal oscillator connected to pins 14 & 15. However the ocillation is fine on the output pin but the input ... | |
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