PIC16F631 Datasheet, PDF (89/294 Pages) Microchip Technology – 20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F631/677/685/687/689/690
FIGURE 6-2:
T1CKI = 1
when TMR1
Enabled
TIMER1 INCREMENTING EDGE
T1CKI = 0
when TMR1
Enabled
Note 1: Arrows indicate counter increments.
2: In Counter mode, a falling edge must be registered by the counter prior to the first incrementing rising edge of the clock.
© 2007 Microchip Technology Inc.
DS41262D-page 87