PIC16F87T/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F87T/ML

18/20/28-Pin Enhanced Flash MCUs with nanoWatt Technology

Microchip Technology 

PIC16F87/88

FIGURE 14-1:

COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM

VDD

CVREN

16 Stages

8R

R

R

R

R

8R

CVRR

RA2/AN2/CVREF/VREF- pin(1)

CVREF

Input to

Comparator

CVROE

16-to-1 Analog MUX

Note 1: VREF is available on the PIC16F88 device only.

CVR3

CVR2

CVR1

CVR0

TABLE 14-1: REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE

Address Name

Bit 7

Bit 6

Bit 5 Bit 4 Bit 3

Bit 2

Bit 1

Bit 0

Value on

POR

Value on

all other

Resets

9Dh

CVRCON CVREN CVROE CVRR — CVR3 CVR2 CVR1 CVR0 000- 0000 000- 0000

9Ch

CMCON C2OUT C1OUT C2INV C1INV CIS

CM2 CM1 CM0 0000 0111 0000 0111

Legend: x = unknown, u = unchanged, - = unimplemented, read as ‘0’. Shaded cells are not used with the comparator voltage reference.

DS30487D-page 128

 2002-2013 Microchip Technology Inc.

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