Datasheet

PIC18F87K22 FAMILY
DS39960D-page 372  2009-2011 Microchip Technology Inc.
FIGURE 24-4: COMPARATOR CONFIGURATIONS
Cx
V
IN-
V
IN+
Off (Read as ‘0’)
Comparator Off
CON = 0, CREF = x, CCH<1:0> = xx
COE
Cx
V
IN-
V
IN+
COE
Comparator CxINB > CxINA Compare
CON = 1, CREF = 0, CCH<1:0> = 00
CxINB
CxINA
Cx
V
IN-
V
IN+
COE
Comparator CxINC > CxINA Compare
(2,3)
CON = 1, CREF = 0, CCH<1:0> = 01
CxINC
CxINA
Cx
V
IN-
V
IN+
COE
Comparator CxIND > CxINA Compare
(3)
CON = 1, CREF = 0, CCH<1:0> = 10
C2INB/
CxINA
Cx
V
IN-
V
IN+
COE
Comparator VIRV > CxINA Compare
CON = 1, CREF = 0, CCH<1:0> = 11
VBG
(1)
CxINA
Cx
V
IN-
V
IN+
COE
Comparator CxINB > CVREF Compare
CON = 1, CREF = 1, CCH<1:0> = 00
CxINB
CV
REF
Cx
V
IN-
V
IN+
COE
Comparator CxINC > CVREF Compare
(2,3)
CON = 1, CREF = 1, CCH<1:0> = 01
CxINC
CV
REF
Cx
V
IN-
V
IN+
COE
Comparator CxIND > CVREF Compare
(3)
CON = 1, CREF = 1, CCH<1:0> = 10
CVREF
Cx
V
IN-
V
IN+
COE
Pin
Comparator VIRV > CVREF Compare
CON = 1, CREF = 1, CCH<1:0> = 11
VBG
(1)
CV
REF
CxOUT
Note 1: VBG is the Internal Reference Voltage (1.024V nominal).
2: Configuration is unavailable for CM1CON on 64-pin devices (PIC18F6XK22).
3: Configuration is unavailable for CM2CON on 64-pin devices (PIC18F6XK22).
Pin
CxOUT
Pin
CxOUT
Pin
CxOUT
Pin
CxOUT
Pin
CxOUT
Pin
CxOUT
Pin
CxOUT
Pin
CxOUT
C2IND
C2INB/
C2IND