PIC18F45J10 Datasheet, PDF (229/358 Pages) Microchip Technology – 28/40/44-Pin High-Performance RISC Microcontrollers with nanoWatt Technology

PIC18F45J10 FAMILY
FIGURE 19-2:
COMPARATOR VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
PIC18F45J10
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 19-1: 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
C2OUT C1OUT C2INV C1INV
CIS
CM2
TRISA
—
—
TRISA5
—
TRISA3 TRISA2
Legend: Shaded cells are not used with the comparator voltage reference.
CVR1
CM1
TRISA1
CVR0
CM0
TRISA0
Reset
Values
on page
45
45
46
© 2007 Microchip Technology Inc.
Preliminary
DS39682C-page 227