
2007-2012 Microchip Technology Inc.
DS70292G-page 17
dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04
AVSS
P
No
Ground reference for analog modules.
VDD
P
—
No
Positive supply for peripheral logic and I/O pins.
VCAP
P
—
No
CPU logic filter capacitor connection.
Vss
P
—
No
Ground reference for logic and I/O pins.
VREF+
I
Analog
No
Analog voltage reference (high) input.
VREF-
I
Analog
No
Analog voltage reference (low) input.
TABLE 1-1:
PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
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
TTL = TTL input buffer
PPS = Peripheral Pin Select