PIC16F883 Microchip Technology Inc., PIC16F883 Datasheet - Page 97

• Manufacturer Part Number: PIC16F883
• Description: 28/40/44-pin Flash-based, 8-bit Cmos Microcontrollers With Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

FIGURE 8-8:
FIGURE 8-9:
© 2007 Microchip Technology Inc.
CV
V
To Comparators
and ADC Module
REF
DD
Note 1: Care should be taken when using V
V
V
CV
VRSS = 1
VRSS = 0
To Comparators
and ADC Module
V
REF
REF
REF
REF
FixedRef
+
+
VROE
-
AV
COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
COMPARATOR AND ADC VOLTAGE REFERENCE BLOCK DIAGRAM
VCFG1
VROE
AV
VRSS
DD
SS
8R
VREN
C1RSEL
C2RSEL
0
1
1
0
15
Analog
0
MUX
0.6V
VRSS
4
R
CV
VR<3:0>
REF
PIC16F882/883/884/886/887
REF
Fixed Voltage
Reference
- with Comparator.
Preliminary
(1)
R
EN
16 Stages
Comparator
Reference
Voltage
AV
R
DD
R
AV
1
0
SS
VCFG0
Sleep
HFINTOSC enable
FVREN
8R
0
1
VCFG1
Reference
Voltage
DS41291D-page 95
ADC
VRSS = 1
VRSS = 0
V
REF
V
-
RR