Microchip Technology MCP1631RD-MCC2 Data Sheet
PIC16F882/883/884/886/887
DS41291G-page 100
2006-2012 Microchip Technology Inc.
FIGURE 8-8:
COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
FIGURE 8-9:
COMPARATOR AND ADC VOLTAGE REFERENCE BLOCK DIAGRAM
V
RR
8R
VR<3:0>
Analog
8R
R
R
R
R
16 Stages
MUX
Fixed Voltage
VREN
CV
REF
Reference
EN
FVREN
Sleep
HFINTOSC enable
HFINTOSC enable
0.6V
FixedRef
To Comparators
and ADC Module
and ADC Module
To Comparators
and ADC Module
and ADC Module
15
0
4
V
REF
+
V
DD
VRSS = 0
VRSS = 1
V
REF
-
VRSS = 0
VRSS = 1
CV
REF
VROE
C1RSEL
C2RSEL
V
REF
+
VCFG0
AV
DD
V
REF
-
VCFG1
AV
SS
VROE
VCFG1
CV
REF
Comparator
ADC
AV
DD
AV
SS
Voltage
Reference
Voltage
Reference
VRSS
VRSS
0
1
0
1
0
1
0
1