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Jan Waclawek
01/16/13 06:56
Read: 857 times
Bratislava
Slovakia


 
#189190 - what about negative reset?
Responding to: Koen De Ganck's previous message
I know they claim compatibility, but as negative reset is the prevailing norm these days, what if Atmel did not really test the positive one?

Could you try to replace the xx810 for the complementary xx809 (and change the EA connection accordingly)?

JW


List of 24 messages in thread
TopicAuthorDate
Reset issue with new Atmel AT89LP51ED2      Koen De Ganck      01/16/13 02:42      
   Do never use a ┬ÁC from which only a preliminary...      Kai Klaas      01/16/13 05:48      
      configuration settings      Koen De Ganck      01/16/13 05:59      
         what about negative reset?      Jan Waclawek      01/16/13 06:56      
            good idea but      Koen De Ganck      01/16/13 07:23      
   Some things to check...      Jim Granville      01/16/13 12:38      
      also try no LM810 at all      Jim Granville      01/16/13 13:02      
         reset is inverted      Koen De Ganck      01/16/13 13:30      
      no strange signals      Koen De Ganck      01/16/13 13:18      
         Extra modes ?      Jim Granville      01/16/13 16:30      
            pull-up on PSEN solves the problem      Koen De Ganck      01/17/13 03:01      
               small capacitor ?      Jim Granville      01/17/13 13:06      
                  small capacitor      Koen De Ganck      01/17/13 14:10      
   side-stepping the problem?      Jan Waclawek      01/17/13 01:34      
      SST could be an option      Koen De Ganck      01/17/13 03:08      
   final status AT89LP51ED2 reset      Koen De Ganck      01/17/13 07:43      
      Clarifies       Jim Granville      01/17/13 12:59      
         loads on PSEN      Koen De Ganck      01/17/13 14:06      
            An isolated PSEN works fine ?      Jim Granville      01/17/13 14:30      
               GAL causes problem      Koen De Ganck      01/17/13 15:41      
                  ATF16V8CZ has Pin-keeper      Jim Granville      01/17/13 16:02      
                     'Z' indeed      Koen De Ganck      01/17/13 16:35      
                        ATF16V8BQL has Icc of ~1.5mA      Jim Granville      01/17/13 16:54      
                           'BQL' version could be an option      Koen De Ganck      01/17/13 17:50      

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