PIC16C71 datasheet(32/176 Pages) MICROCHIP

No. de pieza	PIC16C71

Descripción Electrónicos	8-Bit CMOS Microcontrollers with A/D Converter

PDF	176 Pages

Scroll/Zoom	100%

Fabricante Electrónico	MICROCHIP [Microchip Technology]

Página de inicio	http://www.microchip.com

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32 / 176 page

PIC16C71X

DS30272A-page 32

FIGURE 6-3:

TIMER0 TIMING: INTERNAL CLOCK/PRESCALE 1:2

FIGURE 6-4:

TIMER0 INTERRUPT TIMING

PC+6

PC-1

Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4

(Program

Counter)

Instruction

Fetch

TMR0

PC+1

PC+2

PC+3

PC+4

PC+5

PC+6

NT0+1

MOVWF TMR0

MOVF TMR0,W

Write TMR0

executed

Read TMR0

reads NT0

Read TMR0

reads NT0

Read TMR0

reads NT0

Read TMR0

reads NT0

Read TMR0

reads NT0 + 1

T0+1

NT0

Instruction

Execute

OSC1

CLKOUT(3)

Timer0

T0IF bit

(INTCON<2>)

FEh

GIE bit

(INTCON<7>)

INSTRUCTION

Instruction

fetched

PC +1

0004h

0005h

Instruction

executed

Inst (PC)

Inst (PC-1)

Inst (PC+1)

Inst (PC)

Inst (0004h)

Inst (0005h)

Inst (0004h)

Dummy cycle

FFh

00h

01h

02h

Note 1: Interrupt ﬂag bit T0IF is sampled here (every Q1).

2: Interrupt latency = 4Tcy where Tcy = instruction cycle time.

3: CLKOUT is available only in RC oscillator mode.

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