Page 42 - DEC40053 Ebook_Timer
P. 42
Distinguish PIC Timer as a
Timer and Counter
TIMER Internal Clock Pulse (TIMER)
1/4th of the frequency of the crystal
oscillator on the OSC1 and OSC2 pins
(Fosc/4) is fed into the timer
Used to generate a time delay
External Clock Pulse (COUNTER)
Feed pulses through one of the PIC’s
pins.
Usually used as a counter
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