PIC18F45J10 FAMILY
FIGURE 20-2:
COMPARATOR VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
PIC18F45J10
CVREF
Module
(1)
R
+
–
CVREF Output
RA2
Voltage
Reference
Output
Impedance
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
Reset
Values
on page
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CVRCON
CMCON
TRISA
CVREN
C2OUT
—
CVROE
C1OUT
—
CVRR
C2INV
TRISA5
CVRSS
C1INV
—
CVR3
CIS
CVR2
CM2
CVR1
CM1
CVR0
CM0
49
49
50
TRISA3
TRISA2
TRISA1
TRISA0
Legend: Shaded cells are not used with the comparator voltage reference.
© 2009 Microchip Technology Inc.
DS39682E-page 233
MICROCHIP [ MICROCHIP ]
