Datasheet

dsPIC33EPXXXGP50X, dsPIC33EPXXXMC20X/50X AND PIC24EPXXXGP/MC20X
DS70657G-page 26  2011-2013 Microchip Technology Inc.
C1IN1-
C1IN2-
C1IN1+
OA1OUT
C1OUT
I
I
I
O
O
Analog
Analog
Analog
Analog
—
No
No
No
No
Yes
Op Amp/Comparator 1 Negative Input 1.
Comparator 1 Negative Input 2.
Op Amp/Comparator 1 Positive Input 1.
Op Amp 1 Output.
Comparator 1 Output.
C2IN1-
C2IN2-
C2IN1+
OA2OUT
C2OUT
I
I
I
O
O
Analog
Analog
Analog
Analog
—
No
No
No
No
Yes
Op Amp/Comparator 2 Negative Input 1.
Comparator 2 Negative Input 2.
Op Amp/Comparator 2 Positive Input 1.
Op Amp 2 Output.
Comparator 2 Output.
C3IN1-
C3IN2-
C3IN1+
OA3OUT
C3OUT
I
I
I
O
O
Analog
Analog
Analog
Analog
—
No
No
No
No
Yes
Op Amp/Comparator 3 Negative Input 1.
Comparator 3 Negative Input 2.
Op Amp/Comparator 3 Positive Input 1.
Op Amp 3 Output.
Comparator 3 Output.
C4IN1-
C4IN1+
C4OUT
I
I
O
Analog
Analog
—
No
No
Yes
Comparator 4 Negative Input 1.
Comparator 4 Positive Input 1.
Comparator 4 Output.
CV
REF1O
CVREF2O
O
O
Analog
Analog
No
No
Op amp/comparator voltage reference output.
Op amp/comparator voltage reference divided by 2 output.
PGED1
PGEC1
PGED2
PGEC2
PGED3
PGEC3
I/O
I
I/O
I
I/O
I
ST
ST
ST
ST
ST
ST
No
No
No
No
No
No
Data I/O pin for Programming/debugging Communication Channel 1.
Clock input pin for Programming/debugging Communication Channel 1.
Data I/O pin for Programming/debugging Communication Channel 2.
Clock input pin for Programming/debugging Communication Channel 2.
Data I/O pin for Programming/debugging Communication Channel 3.
Clock input pin for Programming/debugging Communication Channel 3.
MCLR
I/P ST No Master Clear (Reset) input. This pin is an active-low Reset to the
device.
AV
DD P P No Positive supply for analog modules. This pin must be connected at all
times.
AV
SS P P No Ground reference for analog modules. This pin must be connected at all
times.
V
DD P — No Positive supply for peripheral logic and I/O pins.
V
CAP P — No CPU logic filter capacitor connection.
V
SS P — No Ground reference for logic and I/O pins.
VREF+ I Analog No Analog voltage reference (high) input.
V
REF- I Analog No Analog voltage reference (low) input.
TABLE 1-1: PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
(4)
Pin
Type
Buffer
Type
PPS Description
Legend: CMOS = CMOS compatible input or output Analog = Analog input P = Power
ST = Schmitt Trigger input with CMOS levels O = Output I = Input
PPS = Peripheral Pin Select TTL = TTL input buffer
Note 1: This pin is available on dsPIC33EPXXXMC20X/50X and PIC24EPXXXMC20X devices only.
2: This pin is available on dsPIC33EPXXXGP/MC50X devices only.
3: This is the default Fault on Reset for dsPIC33EPXXXMC20X/50X and PIC24EPXXXMC20X devices. See
Section 16.0 “High-Speed PWM Module (dsPIC33EPXXXMC20X/50X and PIC24EPXXXMC20X
Devices Only)” for more information.
4: Not all pins are available in all packages variants. See the “Pin Diagrams” section for pin availability.