Datasheet

 2009-2018 Microchip Technology Inc. DS30009960F-page 191
PIC18F87K22 FAMILY
bit 0 TMR1ON: Timer1 On bit
1 = Enables Timer1
0 = Stops Timer1
REGISTER 14-1: T1CON: TIMER1 CONTROL REGISTER (CONTINUED)
Note 1: The FOSC clock source should not be selected if the timer will be used with the ECCP capture/compare features.