PIC16F526 Datasheet, PDF(41/122 Page) Microchip Technology – 14-Pin, 8-Bit Flash Microcontroller

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PIC16F526 Datasheet, PDF (41/122 Pages) Microchip Technology – 14-Pin, 8-Bit Flash Microcontroller

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PIC16F526

FIGURE 7-5:

BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER

TCY (= FOSC/4)

Comparator

Output

0

T0CKI

Pin

1

T0SE(1)

C1TOCS

0

M

U

1X

T0CS(1)

1

M

U

0X

PSA(1)

Sync

2

Cycles

Data Bus

8

TMR0 Reg

Watchdog

Timer

WDT Enable bit

0

M

U

1X

PSA(1)

8-bit Prescaler

8

8-to-1 MUX

PS<2:0>(1)

0

1

MUX

PSA(1)

WDT

Time-out

Note 1: T0CS, T0SE, PSA, PS<2:0> are bits in the OPTION register.

ï£ 2010 Microchip Technology Inc.

DS41326D-page 41

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