 English |
|
|
|
|
|
|
|
| PIC16F887I-PT Datasheet, PDF (100/338 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers | |||
| |||
| ◁ |
PIC16F882/883/884/886/887
FIGURE 8-8:
COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
VREF+
VRSS = 1
VRSS = 0
VDD
CVREF
To Comparators
and ADC Module
VROE
CVREF
FixedRef
To Comparators
and ADC Module
16 Stages
8R
R
R
R
R
Analog
MUX
15
0
VR<3:0>
4
VREN
C1RSEL
C2RSEL
0.6V
EN
Fixed Voltage
Reference
8R
VRR
VREF-
VRSS = 1
VRSS = 0
FVREN
Sleep
HFINTOSC enable
FIGURE 8-9:
VREF+
COMPARATOR AND ADC VOLTAGE REFERENCE BLOCK DIAGRAM
AVDD
1
0
VRSS
AVDD
1
0
VCFG0
VROE
VCFG1
CVREF
Comparator
Voltage
Reference
ADC
Voltage
Reference
VREF-
VRSS
0
AVSS
1
AVSS
0
1
VCFG1
DS41291G-page 100
ï£ 2006-2012 Microchip Technology Inc.
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese