Microchip Technology MA180025 Data Sheet

 2010 Microchip Technology Inc.

DS39933D-page 307

PIC18F87J90 FAMILY

FIGURE 23-2:

COMPARATOR VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE

TABLE 23-1:

REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reset

Values

on page

CVRCON

CVREN

CVROE

CVRR

CVRSS

CVR3

CVR2

CVR1

CVR0

CMCON

C2OUT

C1OUT

C2INV

C1INV

CIS

CM2

CM1

CM0

TRISF

TRISF7

TRISF6

TRISF5

TRISF4

TRISF3

TRISF2

TRISF1

—

Legend: — = unimplemented, read as ‘0’. Shaded cells are not used with the comparator voltage reference.

REF

Output

+
–

REF

Module

Voltage

Reference

Output

Impedance

(1)

RF5

Note 1:

R is dependent upon the Comparator Voltage Reference bits, CVRCON<5> and CVRCON<3:0>.

PIC18F87J90