PIC18LF4610T-I Datasheet, PDF (229/376 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers

PIC18F2X1X/4X1X
FIGURE 20-2:
COMPARATOR VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
PIC18FXXXX
CVREF
Module
R⁽¹⁾
Voltage
Reference
Output
Impedance
RA2
+
–
CVREF Output
Note 1: R is dependent upon the voltage reference configuration bits, CVRCON<3:0> and CVRCON<5>.
TABLE 20-1: REGISTERS ASSOCIATED WITH COMPARATOR VOLTAGE REFERENCE
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CVRCON CVREN CVROE CVRR CVRSS CVR3 CVR2
CMCON
TRISA
C2OUT C1OUT C2INV C1INV
CIS
CM2
TRISA7⁽¹⁾ TRISA6⁽¹⁾ PORTA Data Direction Control Register
Legend: Shaded cells are not used with the comparator voltage reference.
Note 1: PORTA pins are enabled based on oscillator configuration.
CVR1
CM1
CVR0
CM0
Reset
Values
on page
53
53
54
© 2009 Microchip Technology Inc.
DS39636D-page 231