PIC12F635-E/MD MICROCHIP [Microchip Technology], PIC12F635-E/MD Datasheet - Page 77

• Manufacturer Part Number: PIC12F635-E/MD
• Description: 8/14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

FIGURE 7-7:
© 2007 Microchip Technology Inc.
Note 1:
Comparators Reset (POR Default Value)
CM<2:0> = 000
Legend: A = Analog Input, ports always reads ‘0’
Three Inputs Multiplexed to Two Comparators
CM<2:0> = 001
Four Inputs Multiplexed to Two Comparators
CM<2:0> = 010
Two Common Reference Comparators
CM<2:0> = 011
C1IN-
C1IN+
C2IN-
C2IN+
C1IN-
C1IN+
C2IN-
C2IN+
C1IN-
C1IN+
C2IN-
C2IN+
C1IN-
C1IN+
C2IN-
C2IN+
Reads as ‘0’, unless CxINV = 1.
I/O = Normal port I/O
A
A
A
A
A
A
A
A
I/O
A
A
A
A
A
A
A
CIS = 0
CIS = 1
V
V
V
V
CIS = 0
CIS = 1
CIS = 0
CIS = 1
V
V
V
V
IN
IN
IN
IN
COMPARATOR I/O OPERATING MODES (PIC16F636/639)
IN
IN
IN
IN
-
+
-
+
-
+
-
+
C1
C2
C1
C2
V
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
-
+
-
+
-
+
-
+
From
Off
Off
C1
C2
C1
C2
C1OUT
C2OUT
(1)
(1)
CV
REF
C2OUT
C1OUT
C1OUT
C2OUT
Module
PIC12F635/PIC16F636/639
Comparators Off (Lowest Power)
CM<2:0> = 111
Two Independent Comparators
CM<2:0> = 100
C1OUT(pin)
C2OUT(pin)
One Independent Comparator
CM<2:0> = 101
Two Common Reference Comparators with Outputs
CM<2:0> = 110
CIS = Comparator Input Switch (CMCON0<3>)
D = Comparator Digital Output
C1IN-
C1IN+
C2IN-
C2IN+
C1IN-
C1IN+
C2IN-
C2IN+
C1IN-
C2IN-
C2IN+
C1IN-
C1IN+
C2IN-
C2IN+
I/O
I/O
I/O
I/O
A
A
A
A
I/O
I/O
A
A
D
A
D
A
A
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
C1
C2
C1
C2
C1
C2
C1
C2
C1OUT
C2OUT
Off
Off
Off
C2OUT
C1OUT
C2OUT
DS41232D-page 75
(1)
(1)
(1)