Email: Password: Remember Me | Create Account (Free)

Back to Subject List

Old thread has been locked -- no new posts accepted in this thread
???
05/16/05 11:09
Read: times


 
#93484 - P3 don't need pull ups.
Responding to: ???'s previous message
Marjan
Posrt 1,2,3 have internal pull ups and don't need any external
pull ups
kai has explained port 0 pull ups before
just click in the link below
http://www.8052.com/forum/read.phtml?id=90064


List of 13 messages in thread
TopicAuthorDate
typical pull up for P3?            01/01/70 00:00      
   1K to 2.2K are good values            01/01/70 00:00      
      Mechanical switches need minimum current            01/01/70 00:00      
      ???            01/01/70 00:00      
         Dry loads            01/01/70 00:00      
   P3 don't need pull ups.            01/01/70 00:00      
      Misunderstanding!            01/01/70 00:00      
   1K is stronger not weaker.            01/01/70 00:00      
   Switch Configuration !!!            01/01/70 00:00      
      Thanx            01/01/70 00:00      
         Why 1k?            01/01/70 00:00      
            because            01/01/70 00:00      
      A Correction!            01/01/70 00:00      

Back to Subject List