Datasheet

PIC12F609/615/617/12HV609/615
DS41302D-page 58  2010 Microchip Technology Inc.
FIGURE 7-1: TIMER1 BLOCK DIAGRAM
TMR1H TMR1L
Oscillator
T1SYNC
T1CKPS<1:0>
F
OSC/4
Internal
Clock
Prescaler
1, 2, 4, 8
1
0
0
1
Synchronized
clock input
2
Set flag bit
TMR1IF on
Overflow
TMR1
(2)
TMR1GE
TMR1ON
T1OSCEN
1
0
COUT
T1GSS
T1GINV
To Comparator Module
Timer1 Clock
TMR1CS
OSC2/T1G
OSC1/T1CKI
Note 1: ST Buffer is low power type when using LP oscillator, or high speed type when using T1CKI.
2: Timer1 register increments on rising edge.
3: Synchronize does not operate while in Sleep.
4: Alternate pin function.
5: PIC12F615/617/HV615 only.
(1)
EN
INTOSC
Without CLKOUT
1
0
T1ACS
F
OSC
0
1
T1GSEL
(2)
GP3/T1G
(4, 5)
Synchronize
(3)
det