PIC18F6X2X datasheet(171/386 Pages) MICROCHIP

Part #	PIC18F6X2X

Description	64/80-Pin High Performance, 64-Kbyte Enhanced FLASH Microcontrollers with A/D

PDF	386 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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171 / 386 page

 2003 Microchip Technology Inc.

Advance Information

DS39612A-page 169

PIC18F6X2X/8X2X

FIGURE 17-8:

PWM DIRECTION CHANGE

FIGURE 17-9:

PWM DIRECTION CHANGE AT NEAR 100% DUTY CYCLE

Period(1)

SIGNAL

Note

1: The direction bit in the CCP1 Control register (CCP1CON<7>) is written any time during the PWM cycle.

2: When changing directions, the P1A and P1C signals switch before the end of the current PWM cycle at intervals

of 4 TOSC, 16 TOSC or 64 TOSC, depending on the Timer2 prescaler value. The modulated P1B and P1D signals

are inactive at this time.

Period

(Note 2)

P1A (Active High)

P1B (Active High)

P1C (Active High)

P1D (Active High)

Forward Period

Reverse Period

P1A

tON

tOFF

t = tOFF – tON

P1B

P1C

P1D

External Switch D

Potential

Shoot-Through

Current

Note

1: All signals are shown as active high.

2: tON is the turn on delay of power switch QC and its driver.

3: tOFF is the turn off delay of power switch QD and its driver.

External Switch C

PIC18F6X2X Datasheet(PDF) 171 Page - Microchip Technology