Datasheet

dsPIC33EPXXXGM3XX/6XX/7XX
DS70000689D-page 366  2013-2014 Microchip Technology Inc.
FIGURE 26-2: OP AMP/COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
16-to-1 MUX
R
CVREN
CVRSS = 0
AV
DD
VREF+
CVRSS = 1
8R
R
R
R
R
R
R
16 Steps
CVRR0
CVREF1O
CVR3 CVR2 CVR1 CVR0
CVR1CON<3:0>
CV
RSRC
CVREFIN
VREFSEL
1
0
16-to-1 MUX
R
CVREN
CVRSS = 0
AV
DD
VREF+
CVRSS = 1
8R
R
R
R
R
R
R
16 Steps
CVRR0
CVREF2O
CVR3 CVR2 CVR1 CVR0
CVR2CON<3:0>
CVROE
VREFSEL
0
1
8R
CVRR1
AVSS
AVSS
CVRR1
CVRSRC
8R
CVROE
(CVR1CON<4>)
(CVR1CON<4>)
(CVR1CON<7>)
(CVR1CON<11>)
(CVR1CON<5>)
(CVR2CON<4>)
(CVR2CON<4>)
(CVR2CON<4>)
(CVR2CON<11>)
(CVR2CON<5>)
(CVR1CON<6>)
(CVR2CON<10>)
(CVR2CON<6>)
(CVR1CON<10>)