PIC18F258-I/SP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18F258-I/SP

28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module

Microchip Technology 

PIC18FXX8

FIGURE 16-2:

PWM OUTPUT RELATIONSHIPS

0

ECCP1CON

<7:6>

SIGNAL

Duty

Cycle

Period

P1A Modulated, Active-High

00

P1A Modulated, Active-Low

P1A Modulated, Active-High

P1A Modulated, Active-Low

10

P1B Modulated, Active-High

P1B Modulated, Active-Low

P1A Active, Active-High

P1A Active, Active-Low

P1B Inactive, Active-High

P1B Inactive, Active-Low

01

P1C Inactive, Active-High

P1C Inactive, Active-Low

P1D Modulated, Active-High

P1D Modulated, Active-Low

P1A Inactive, Active-High

P1A Inactive, Active-Low

P1B Modulated, Active-High

P1B Modulated, Active-Low

11

P1C Active, Active-High

P1C Active, Active-Low

P1D Inactive, Active-High

P1D Inactive, Active-Low

Delay

Delay

PR2 + 1

Relationships:

• Period = 4 * TOSC * (PR2 + 1) * (TMR2 Prescale Value)

• Duty Cycle = TOSC * (CCPR1L<7:0>:CCP1CON<5:4>) * (TMR2 Prescale Value)

• Delay = 4 * TOSC * ECCP1DEL

© 2006 Microchip Technology Inc.

DS41159E-page 135

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