Microchip Technology MCP1631RD-MCC2 Data Sheet

PIC16F882/883/884/886/887

DS41291G-page 138

 2006-2012 Microchip Technology Inc.

FIGURE 11-7:

EXAMPLE ENHANCED PWM OUTPUT RELATIONSHIPS (ACTIVE-LOW STATE)

Period

Signal

PR2+1

P1M<1:0>

P1A Modulated

P1B Modulated

P1A Active

P1B Inactive

P1C Inactive

P1D Modulated

P1A Inactive

P1B Modulated

P1C Active

P1D Inactive

Pulse
Width

(Single Output)

(Half-Bridge)

(Full-Bridge,

Forward)

(Full-Bridge,

Reverse)

Delay

(1)

Delay

(1)

Relationships:

• Period = 4 * T

OSC

* (PR2 + 1) * (TMR2 Prescale Value)

• Pulse Width = T

OSC

* (CCPR1L<7:0>:CCP1CON<5:4>) * (TMR2 Prescale Value)

• Delay = 4 * T

OSC

* (PWM1CON<6:0>)

Note 1:

Dead-band delay is programmed using the PWM1CON register (