Datasheet

© 2011-2012 Microchip Technology Inc. Preliminary DS39997C-page 207
PIC24FJ16MC101/102 AND PIC24FJ32MC101/102/104
FIGURE 20-2: COMPARATOR VOLTAGE REFERENCE BLOCK DIAGRAM
FIGURE 20-3: USER PROGRAMMABLE BLANKING FUNCTION BLOCK DIAGRAM
16-to-1 MUX
8R
R
CVREN
AV
DD
(1)
8R
R
R
R
R
R
R
16 Steps
CVRR
CVREF
CVR3 CVR2 CVR1 CVR0
CVRCON<3:0>
AVSS
(1)
CVRSRC
CVRCON<CVROE>
CVREFIN
VREFSEL
Note 1: This pin is VDD and VSS on devices that have
no AV
DD or AVSS pins.
SELSRCA<3:0>
SELSRCB<3:0>
SELSRCC<3:0>
AND
CMxMSKCON
MUX A
MAI
MBI
MCI
Comparator Output
To Digital
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