Datasheet

PIC12F510/16F506
DS41268D-page 46 © 2007 Microchip Technology Inc.
FIGURE 7-1: COMPARATOR 1 BLOCK DIAGRAM FOR PIC12F510/16F506
FIGURE 7-2: COMPARATOR 2 BLOCK DIAGRAM (PIC16F506 ONLY)
Note 1: When C1ON = 0, the comparator, C1, will produce a ‘0’ output to the XOR Gate.
MUX
C1
C1POL
C1OUT
0
1
C1ON
(1)
C1PREF
1
0
C1OUTEN
0.6V
C1OUT
C1IN-
C1IN+
C1IN-
DQ
EN
CL
NRESET
C1NREF
MUX
+
-
C1WU
C1WUF
To
Data Bus
RD_CM1CON0
Q3 * RD_CM1CON0
(Internal Reference)
MUX
C2POL
C2OUT
1
0
C2PREF1
C2NREF
Note 1: When C2ON = 0, the comparator, C2, will produce a ‘0’ output to the XOR Gate.
CV
REF
DQ
EN
CL
RD_CM2CON0
To
NRESET
Data Bus
C2
C2ON
(1)
C2IN+
MUX
1
0
C2PREF2
C1IN+
C2IN-
+
-
MUX
1
0
C2IN-
C2OUT
C2OUTEN
C2WU
C2WUF
Q3 * RD_CM2CON0