2 PIC's 1 ceramic resonator?

- I
- Imma Roadrunner
  
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posted
19 years ago

Sun, Jul 11, 2004 8:44 PM

Hello Guys Can I use one 3 pin ceramic resonator (20Hz) wired to 2 PICs, a

16F876 and a 16F877 or is it best to use a ceramic resonator on each PIC ?.... thanks....... Imma

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- E
- e7
  
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posted
19 years ago

Mon, Jul 12, 2004 12:19 AM

Best to use a ceramic resonator each. Reduces power glitches.

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- Spehro Pefhany
  
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posted
19 years ago

Mon, Jul 12, 2004 11:28 AM

Yes, you can use one, but I would not run the clock out line more than a couple of inches without buffering it. It also provides more chance for EMI to get in/out of your system, so try to run it over a ground plane.

Best regards, Spehro Pefhany

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