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  Topic: trouble replacing internal osc with xtal in 18F2620
leporid

Replies: 2
Views: 5057

PostForum: General CCS C Discussion   Posted: Wed Jun 30, 2010 8:19 pm   Subject: trouble replacing internal osc with xtal in 18F2620
Wow, that was a quick reply! Thank you.


Post a link to the web page for the board.


The board was designed by someone long gone, it's not
not a publicly available part.

I'll try the high ...
  Topic: trouble replacing internal osc with xtal in 18F2620
leporid

Replies: 2
Views: 5057

PostForum: General CCS C Discussion   Posted: Wed Jun 30, 2010 7:34 pm   Subject: trouble replacing internal osc with xtal in 18F2620
I have a board using a PIC18F2620 that has pads for an SMD
crystal. Previously, this board was used without the
crystal and with the internal oscillator. There are no
capacitors with the crystal; I ...
  Topic: BROWNOUT on dsPIC 33J128GP802?
leporid

Replies: 2
Views: 5565

PostForum: General CCS C Discussion   Posted: Thu May 27, 2010 3:18 pm   Subject: Brownout and VCAP/VDDCORE
Great lead, and prompt response, thanks.

I looked up your references
and then learned that the board has a .01uF
cape on the VCAP/VDDCORE pin, not the 1-10
uF specified. I didn't design it, bu ...
  Topic: BROWNOUT on dsPIC 33J128GP802?
leporid

Replies: 2
Views: 5565

PostForum: General CCS C Discussion   Posted: Thu May 27, 2010 11:47 am   Subject: BROWNOUT on dsPIC 33J128GP802?
I am getting a BROWNOUT reset code (=1) from reset_cause()
on a dsPIC 33J128GP802? after a few (varies) seconds of
normal operation. I can't find any info on BROWNOUT for
this chip, and BROWNOUT_EN ...
  Topic: Odd addresses generated for PIC33F CLR instruction- OK?
leporid

Replies: 2
Views: 3146

PostForum: General CCS C Discussion   Posted: Mon May 10, 2010 1:57 pm   Subject: Odd addresses generated for PIC33F CLR instruction- OK?
Thanks, maybe an interrupt routine can help me learn more.
But the odd addresses seem like a real problem.
I have filed a bug report.
  Topic: Odd addresses generated for PIC33F CLR instruction- OK?
leporid

Replies: 2
Views: 3146

PostForum: General CCS C Discussion   Posted: Sun May 09, 2010 11:41 pm   Subject: Odd addresses generated for PIC33F CLR instruction- OK?
Hi-
I am a dsPIC newbie, and have been trying to nail down the cause of a
restart loop in PCI33F code that I inherited. The ASM code that apparently
causes the reset is:


.................... ...
 
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