Nope. You would if you were accessing the pin through the PORT register, which is= what you normally use for output. The PIN register is usually used for input, which avoids the problem that l= ed to the infamous PIC "Read-Modify-Write" Problem. I can set a pin with a heavy capacitive load high with the PORT register, t= hen read PIN and get the pin state low, then high as the cap charges. All that aside, writing a 1 to the pin toggles the output pin. -----Original Message----- From: piclist-bounces@mit.edu On Behalf Of mike b= rown Sent: Friday, July 13, 2018 10:29 AM To: Microcontroller discussion list - Public. Subject: [PIC] RE: Xpress PIC16F18446 Evaluation Board >The AVR is faster than that.. > Sbi pinX,# ; Toggle pin > Sbi pinX,# ; Toggle pin > Sbi pinX,# ; Toggle pin > Sbi pinX,# ; Toggle pin > ... Don't you need some CBI instructions in there? ;) [OT] PIC chips have their place in the world, but once I moved to the Arduino (M= ega328), I haven't really missed them. I can't think of an uglier assembly= language except maybe the RCA 1802. The Atmel instruction set is soooo mu= ch easier. Being able to use a decent/free C compiler is even better. ARM= assembly is cool too. Wow, I was just looking at the archive and saw a post I made in early 2001.= Where have the years gone? :( I wish I could remember all the stuff I "= learned" from you guys. -- http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/chang= e your membership options at http://mailman.mit.edu/mailman/listinfo/piclis= t --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .