Dec 30, 2013 #1 Z zahiy Newbie level 3 Joined Mar 24, 2009 Messages 3 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,298 Hello, is there any way I can configure CD40103BE (presettable down counter) to stop after Carry Out? like one shot counter. After a trigger it needs to count the Jam, when it gets to 0 it gives me Carry Out signal and STOPS! I dont want it to count again. any help? thank you.
Hello, is there any way I can configure CD40103BE (presettable down counter) to stop after Carry Out? like one shot counter. After a trigger it needs to count the Jam, when it gets to 0 it gives me Carry Out signal and STOPS! I dont want it to count again. any help? thank you.
Dec 30, 2013 #2 andre_luis Super Moderator Staff member Joined Nov 7, 2006 Messages 9,601 Helped 1,190 Reputation 2,399 Reaction score 1,208 Trophy points 1,403 Location Brazil Activity points 55,712 Although not properly recommended due to don´t employ a synchronous approach, you could try firstly connecting a XOR 2-port gate. +++
Although not properly recommended due to don´t employ a synchronous approach, you could try firstly connecting a XOR 2-port gate. +++
Dec 31, 2013 #3 Z zahiy Newbie level 3 Joined Mar 24, 2009 Messages 3 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,298 andre_teprom said: Although not properly recommended due to don´t employ a synchronous approach, you could try firstly connecting a XOR 2-port gate. +++ Click to expand... thank you for your help, can you be more specific, where to connect the XOR gate?
andre_teprom said: Although not properly recommended due to don´t employ a synchronous approach, you could try firstly connecting a XOR 2-port gate. +++ Click to expand... thank you for your help, can you be more specific, where to connect the XOR gate?
Dec 31, 2013 #4 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 52,503 Helped 14,757 Reputation 29,796 Reaction score 14,127 Trophy points 1,393 Location Bochum, Germany Activity points 298,438 Feed back inverted CARRY OUT# to CI/CE#.
Dec 31, 2013 #5 andre_luis Super Moderator Staff member Joined Nov 7, 2006 Messages 9,601 Helped 1,190 Reputation 2,399 Reaction score 1,208 Trophy points 1,403 Location Brazil Activity points 55,712 Try this way: Connect 1st gate input to external measured signal Connect 2nd gate input to counter output Connect gate output to counter input Correction: Not a XOR gate, but a NOR. +++
Try this way: Connect 1st gate input to external measured signal Connect 2nd gate input to counter output Connect gate output to counter input Correction: Not a XOR gate, but a NOR. +++
Jan 1, 2014 #6 Z zahiy Newbie level 3 Joined Mar 24, 2009 Messages 3 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,298 Thank you, i will try it tomorrow and post the result
Jan 1, 2014 #7 andre_luis Super Moderator Staff member Joined Nov 7, 2006 Messages 9,601 Helped 1,190 Reputation 2,399 Reaction score 1,208 Trophy points 1,403 Location Brazil Activity points 55,712 Solution purposed at post #4 by FvM is quite better, due do not require external gates. +++