10F200 datasheet(34/96 Pages) MICROCHIP

Part #	10F200

Description	6-Pin, 8-Bit Flash Microcontrollers

PDF	96 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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34 / 96 page

PIC10F200/202/204/206

DS41239D-page 32

To change the prescaler from the WDT to the Timer0

module, use the sequence shown in Example 6-2. This

sequence must be used even if the WDT is disabled. A

CLRWDT instruction should be executed before

switching the prescaler.

EXAMPLE 6-2:

CHANGING PRESCALER

(WDT

→TIMER0)

FIGURE 6-5:

BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER

CLRWDT

;Clear WDT and

;prescaler

MOVLW

‘xxxx0xxx’ ;Select TMR0, new

;prescale value and

;clock source

OPTION

TCY (= FOSC/4)

Sync

Cycles

TMR0 Reg

8-bit Prescaler

8-to-1 MUX

MUX

Watchdog

Timer

PSA(1)

WDT

Time-out

PS<2:0>(1)

PSA(1)

WDT Enable bit

Data Bus

PSA(1)

T0CS(1)

T0SE(1)

GP2/T0CKI(2)

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

2: T0CKI is shared with pin GP2 on the PIC10F200/202/204/206.

10F200 Datasheet(PDF) 34 Page - Microchip Technology

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