Datasheet

 2010 Microchip Technology Inc. DS41326E-page 41
PIC16F526
FIGURE 7-5: BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER
TCY (= FOSC/4)
Sync
2
Cycles
TMR0 Reg
8-bit Prescaler
8-to-1 MUX
M
MUX
Watchdog
Timer
PSA
(1)
0
1
0
1
WDT
Time-out
PS<2:0>
(1)
8
PSA
(1)
WDT Enable bit
0
1
0
1
Data Bus
8
PSA
(1)
T0CS
(1)
M
U
X
M
U
X
U
X
T0SE
(1)
Note 1: T0CS, T0SE, PSA, PS<2:0> are bits in the OPTION register.
T0CKI
Pin
0
1
C1TOCS
Comparator
Output