PIC18F87K22 Datasheet, PDF (370/548 Pages) Microchip Technology – 64/80-Pin, High-Performance, 1-Mbit Enhanced Flash Microcontrollers with 12-Bit A/D and nanoWatt XLP Technology

PIC18F87K22 FAMILY
FIGURE 24-4:
COMPARATOR CONFIGURATIONS
Comparator Off
CON = 0, CREF = x, CCH<1:0> = xx
COE
VIN-
VIN+
Cx
Off (Read as ‘0’)
CxOUT
Pin
Comparator CxINB > CxINA Compare
CON = 1, CREF = 0, CCH<1:0> = 00
CxINB
CxINA
VIN-
VIN+
Cx
COE
Comparator CxINC > CxINA Compare^(2,3)
CON = 1, CREF = 0, CCH<1:0> = 01
CxOUT
Pin
CxINC
CxINA
VIN-
VIN+
Cx
COE
Comparator CxIND > CxINA Compare⁽³⁾
CON = 1, CREF = 0, CCH<1:0> = 10
Comparator VIRV > CxINA Compare
CON = 1, CREF = 0, CCH<1:0> = 11
C2INB/
C2IND
CxINA
VIN-
VIN+
Cx
Comparator CxINB > CVREF Compare
CON = 1, CREF = 1, CCH<1:0> = 00
COE
CxOUT
Pin
VBG⁽¹⁾
CxINA
VIN-
VIN+
Cx
COE
Comparator CxINC > CVREF Compare^(2,3)
CON = 1, CREF = 1, CCH<1:0> = 01
CxINB
CVREF
VIN-
VIN+
Cx
COE
CxOUT
Pin
CxINC
CVREF
VIN-
VIN+
Cx
COE
Comparator CxIND > CVREF Compare⁽³⁾
CON = 1, CREF = 1, CCH<1:0> = 10
Comparator VIRV > CVREF Compare
CON = 1, CREF = 1, CCH<1:0> = 11
C2INB/
C2IND
CVREF
VIN-
VIN+
Cx
COE
CxOUT
Pin
VBG⁽¹⁾
CVREF
VIN-
VIN+
Cx
COE
Note 1:
2:
3:
VBG is the Internal Reference Voltage (1.024V nominal).
Configuration is unavailable for CM1CON on 64-pin devices (PIC18F6XK22).
Configuration is unavailable for CM2CON on 64-pin devices (PIC18F6XK22).
CxOUT
Pin
CxOUT
Pin
CxOUT
Pin
CxOUT
Pin
DS39960B-page 370
Preliminary
 2010 Microchip Technology Inc.