Microchip Technology IC MCU 8BIT PIC18F65K22-I/PT TQFP-64 MCP PIC18F65K22-I/PT Data Sheet
Product codes
PIC18F65K22-I/PT
2009-2011 Microchip Technology Inc.
DS39960D-page 377
PIC18F87K22 FAMILY
FIGURE 25-2:
COMPARATOR VOLTAGE REFERENCE OUTPUT BUFFER EXAMPLE
TABLE 25-1:
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
CVRSS
CVR4
CVR3
CVR2
CVR1
CVR0
CM1CON
CON
COE
CPOL
EVPOL1
EVPOL0
CREF
CCH1
CCH0
CM2CON
CON
COE
CPOL
EVPOL1
EVPOL0
CREF
CCH1
CCH0
CM3CON
CON
COE
CPOL
EVPOL1
EVPOL0
CREF
CCH1
CCH0
TRISF
TRISF7
TRISF6
TRISF5
TRISF4
TRISF3
TRISF2
TRISF1
—
TRISA
TRISA7
TRISA6
TRISA5
TRISA4
TRISA3
TRISA2
TRISA1
TRISA0
ANCON0
ANSEL7
ANSEL6
ANSEL5
ANSEL4
ANSEL3
ANSEL2
ANSEL1
ANSEL0
ANCON1
ANSEL15
ANSEL14 ANSEL13 ANSEL12
ANSEL11
ANSEL10
ANSEL9
ANSEL8
Legend:
— = unimplemented, read as ‘0’. Shaded cells are not used with the comparator voltage reference.
CV
REF
Output
+
–
–
CV
REF
Module
Voltage
Reference
Output
Impedance
R
(1)
PIC18F87K22
Note
1:
R is dependent upon the Voltage Reference Configuration bits, CVRCON<3:0> and CVRCON<5>.
RF5