reboot periodically at startup

      reboot periodically at startup

      Hi,
      4 years ago we have developped a mother card based on SKIT card with PicoCOM2
      Now, we change PicoCOM2 with PicoCOM4 and we have a boot problem with some PicoCOM4 cards
      When we switch on, our led (equivalent LED2 SKIT on POWER SUPPLY sheet) is blinking periodically (3 or 4 hz)
      The only way to resolve this problem is to remove R8 connected to the negatif RES signal from PicoCOM4 connector
      after this we cannot resset manually
      do you have some feedback or solution for this problem
      thank you for your support
      best regards
      Bernard

      Re: reboot periodically at startup

      Which reset generator do you use? Is it TLC7733 or TL7733? You must use TLC7733.
      There was an error in early SKIT schematics where the reset generator was labeled TL7733.
      On SKIT hardware there was always used TLC7733.
      F&S Elektronik Systeme GmbH
      As this is an international forum, please try to post in English.
      Da dies ein internationales Forum ist, bitten wir darum, Beiträge möglichst in Englisch zu verfassen.