PIC32MX795F512LT-80ISLASHPF datasheet(159/256 Pages) MICROCHIP

159 / 256 page

DS61156G-page 159

PIC32MX5XX/6XX/7XX

25.0

COMPARATOR

The Analog Comparator module contains two compar-

ators that can be configured in a variety of ways.

Following are some of the key features of this module:

• Selectable inputs available include:

- Analog inputs multiplexed with I/O pins

- On-chip internal absolute voltage reference

(IVREF)

- Comparator voltage reference (CVREF)

• Outputs can be Inverted

• Selectable interrupt generation

A block diagram of the Comparator module is

illustrated in Figure 25-1.

FIGURE 25-1:

COMPARATOR BLOCK DIAGRAM

Note 1:

This data sheet summarizes the features

of the PIC32MX5XX/6XX/7XX family of

devices. It is not intended to be a

comprehensive reference source. To

complement the information in this

data sheet, refer to Section 19.

“Comparator”

(DS61110) in the “PIC32

Family Reference Manual”

, which is

available from the Microchip web site

(www.microchip.com/PIC32).

Some registers and associated bits

described in this section may not be

available on all devices. Refer to

Section 4.0 “Memory Organization”

this data sheet for device-specific register

and bit information.

CVREF(2)

C1IN+(1)

C1IN+

C1IN-

C1OUT

COUT (CM1CON<8>)

CREF

CCH<1:0>

CPOL

COE

C2IN+

IVREF(2)

C1OUT (CMSTAT<0>)

CVREF(2)

C2IN+

C2IN-

C2OUT

COUT (CM2CON<8>)

CREF

CPOL

COE

C1IN+

IVREF(2)

C2OUT (CMSTAT<1>)

Comparator 2

Comparator 1

CCH<1:0>

Note 1: On devices with a USB module, and when the module is enabled, this pin is controlled by the USB module,

and therefore, is not available as a comparator input.

2: Internally connected. See Section 26.0 “Comparator Voltage Reference (CVREF)”.

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