DSPIC33FJMC202ESS datasheet(155/330 Pages) MICROCHIP

155 / 330 page

DS70283K-page 155

dsPIC33FJ32MC202/204 and dsPIC33FJ16MC304

14.0 OUTPUT COMPARE

The Output Compare module can select either Timer2

or Timer3 for its time base. The module compares the

value of the timer with the value of one or two compare

registers depending on the operating mode selected.

The state of the output pin changes when the timer

value matches the compare register value. The Output

Compare module generates either a single output

pulse or a sequence of output pulses, by changing the

state of the output pin on the compare match events.

The Output Compare module can also generate

interrupts on compare match events.

The Output Compare module has multiple operating

modes:

• Active-Low One-Shot mode

• Active-High One-Shot mode

• Toggle mode

• Delayed One-Shot mode

• Continuous Pulse mode

• PWM mode without fault protection

• PWM mode with fault protection

FIGURE 14-1:

OUTPUT COMPARE MODULE BLOCK DIAGRAM

Note 1: This data sheet summarizes the features

of the dsPIC33FJ32MC202/204 and

dsPIC33FJ16MC304 family of devices. It

is not intended to be a comprehensive

reference source. To complement the

information in this data sheet, refer to

Section

13.

“Output

Compare”

(DS70209) of the “dsPIC33F/PIC24H

Family Reference Manual”, which is

available from the Microchip web site

(www.microchip.com).

2: Some registers and associated bits

described in this section may not be

available on all devices. Refer to

Section 4.0 “Memory Organization” in

this data sheet for device-specific register

and bit information.

OCxR

Comparator

Output

Logic

OCM<2:0>

OCx

Set Flag bit

OCxIF

OCxRS

Mode Select

OCTSEL

OCFA

TMR2

TMR3

Rollover

Output

Logic

Output

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