PIC10F200_14 Datasheet, PDF(30/88 Page) Microchip Technology – 6-Pin, 8-Bit Flash Microcontrollers

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PIC10F200_14 Datasheet, PDF (30/88 Pages) Microchip Technology – 6-Pin, 8-Bit Flash Microcontrollers

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PIC10F200/202/204/206

EXAMPLE 7-2:

CHANGING PRESCALER

(WDTï®TIMER0)

CLRWDT

MOVLW âxxxx0xxxâ

OPTION

;Clear WDT and

;prescaler

;Select TMR0, new

;prescale value and

;clock source

FIGURE 7-5:

GP2/T0CKI(2)

Pin

BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER

TCY (= FOSC/4)

Comparator

1

Output

0

0

M

U

1X

1

M

U

0X

Sync

2

Cycles

T0SE(1)

T0CS(1)

PSA(1)

CMPT0CS(3)

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.

2: T0CKI is shared with pin GP2.

3: Bit CMPT0CS is located in the CMCON0 register.

Data Bus

8

TMR0 Reg

DS40001239F-page 30

ï£ 2004-2014 Microchip Technology Inc.

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