Connecting GPIO to TTL

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 15, 2016 by lpcware
Content originally posted in LPCWare by fi1953 on Thu Apr 14 02:38:05 MST 2011
If I connect an LPC1114 GPIO  (either as Output or Input) to a TTL gate , do I have to disable the pull-up and/or pull down option of the GPIO  ?