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  Topic: pic 18f2580 wake up from weak analog signal
lubom

Replies: 2
Views: 3335

PostForum: General CCS C Discussion   Posted: Tue Feb 26, 2008 9:25 am   Subject: pic 18f2580 wake up from weak analog signal
it is stable 1V signal and it becomes 1.025V for about 0.1 sec.
Mersi Smile
  Topic: pic 18f2580 wake up from weak analog signal
lubom

Replies: 2
Views: 3335

PostForum: General CCS C Discussion   Posted: Tue Feb 26, 2008 3:29 am   Subject: pic 18f2580 wake up from weak analog signal
Hi,
Can anyone help me with idea how to wake up pic from very weak analog signal - between 10 and 20 mV peak on analog input pin?
I was thinking of using comparator interrupt?

Best regards,
lubo ...
  Topic: DS1338 Realtime clock
lubom

Replies: 1
Views: 5059

PostForum: General CCS C Discussion   Posted: Wed Nov 08, 2006 12:26 am   Subject: DS1338 Realtime clock
Hi,
I am trying to use ds1338 i2c realtime clock in my project.
Is there driver for it around?
Thanks in advance,
lubom
  Topic: 18f2580 with EUSART...can't wake up from sleep
lubom

Replies: 2
Views: 4326

PostForum: General CCS C Discussion   Posted: Wed Jul 12, 2006 5:50 am   Subject: 18f2580 with EUSART...can't wake up from sleep
Hi iam am trying to make 18f2580 to wake up from sleep every i send a character over pc serial port here is the part of code:


#include <18F2580>
#use delay(clock=8000000)
#use rs ...
  Topic: 18f2525, timer1 realtime clock with external 32768hz crystal
lubom

Replies: 2
Views: 4457

PostForum: General CCS C Discussion   Posted: Fri Apr 21, 2006 2:07 am   Subject: 18f2525, timer1 realtime clock with external 32768hz crystal
I checked the code in http://www.ccsinfo.com/forum/viewtopic.php?t=26177
Can you please tell me how to modify the following lines of the program to work with external crystal 32kHz connected at T1OS ...
  Topic: 18f2525, timer1 realtime clock with external 32768hz crystal
lubom

Replies: 2
Views: 4457

PostForum: General CCS C Discussion   Posted: Thu Apr 20, 2006 3:17 pm   Subject: 18f2525, timer1 realtime clock with external 32768hz crystal
Hello,
I have read a lot of threads about rtc but didn't found how to solve my problem.
I need to use timer1 on 18f2525(operating at 8MhzINTOSC) with external crystal at 32768hz to provide realtime ...
 
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