Datasheet

dsPIC33EPXXX(GP/MC/MU)806/810/814 and PIC24EPXXX(GP/GU)810/814
DS70616F-page 436 Preliminary © 2009-2012 Microchip Technology Inc.
FIGURE 25-2: COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
FIGURE 25-3: USER PROGRAMMABLE BLANKING FUNCTION BLOCK DIAGRAM
16-to-1 MUX
8R
R
CVREN
CVRSS = 0
AV
DD
VREF+
CVRSS = 1
8R
CVRSS = 0
V
REF–
CVRSS = 1
R
R
R
R
R
R
16 Steps
CVRR
CVREF
CVR3 CVR2 CVR1 CVR0
CVRCON<3:0>
AVSS
CVRSRC
CVRCON<CVROE>
CVREFIN
VREFSEL
SELSRCA<3:0>
SELSRCB<3:0>
SELSRCC<3:0>
AND
CMxMSKCON
MUX A
MAI
MBI
MCI
Comparator Output
To Di g i tal
Signals
Filter
OR
Blanking
Blanking
Blanking
Signals
Signals
ANDI
MASK
“AND-OR” function
HLMS
MUX BMUX C
Blanking
Logic
(CMxMSKCON<15)
(CMxMSKSRC<11:8)
(CMxMSKSRC<7:4)
(CMxMSKSRC<3:0>)
MBI
MCI
MAI
MBI
MCI
MAI