PIC18F25J50 MICROCHIP [Microchip Technology], PIC18F25J50 Datasheet - Page 391

• Manufacturer Part Number: PIC18F25J50
• Description: 28/44-Pin, Low-Power, High-Performance USB Microcontrollers with nanoWatt XLP Technology
• Manufacturer: MICROCHIP [Microchip Technology]

24.0
The comparator voltage reference is a 16-tap resistor
ladder network that provides a selectable reference
voltage. Although its primary purpose is to provide a
reference for the analog comparators, it may also be
used independently of them.
FIGURE 24-1:
 2011 Microchip Technology Inc.
COMPARATOR VOLTAGE
REFERENCE MODULE
CVRR
CVREN
COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
V
DD
16 Steps
8R
R
R
R
R
R
R
R
PIC18F46J50 FAMILY
Figure 24-1
The resistor ladder is segmented to provide two ranges
of CV
conserve power when the reference is not being used.
The module’s supply reference is provided by V
8R
REF
values and has a power-down function to
CVR<3:0>
provides a block diagram of the module.
CV
REF
DS39931D-page 391
DD
/V
SS
.