16 bit timer programming of PIC18 microcontroller 16 bit timer programming of PIC18 microcontroller. https://www.youtube.com/watch?v=dbetENngFYM&list=PLacdleb4rX69e30ycbaNYVSsAYxpn4mHc&index=6 Also watch here https://eevibes.com/pic16f4550-microcontroller/how-to-create-a-square-wave-program-in-pic-using-assembly-language/ How to create a square wave program in PIC using assembly language