https://onlinedocs.microchip.com/oxy/GUID-E0612FCE-295D-4301-A564-3C4610F2330C-en-US-8/GUID-A6391803-F4AF-4119-AB3D-3CC800E050B4.html
20 TMR1 - Timer1 Module with Gate Control
The Timer1 module is a 16-bit timer/counter with the following features: 16-bit timer/counter register pair (TMRxH:TMRxL) Programmable internal or external...
modulegatecontrol