PIC18F87K90 Datasheet, PDF (392/566 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC18F87K90 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
COE
CxOUT
Pin
VBG⁽¹⁾
CxINA
VIN-
VIN+ ^Cx
COE
Comparator CxINB > CVREF Compare
CON = 1, CREF = 1, CCH<1:0> = 00
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
CxINB/
CxIND
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 (PIC18F6XK90).
Configuration is unavailable for CM2CON on 64-pin devices (PIC18F6XK90).
CxOUT
Pin
CxOUT
Pin
CxOUT
Pin
CxOUT
Pin
DS39957B-page 392
Preliminary
 2010 Microchip Technology Inc.