Datasheet

PIC32MX1XX/2XX
DS61168E-page 26 Preliminary  2011-2012 Microchip Technology Inc.
MCLR 26 1 32 18 I/P ST Master Clear (Reset) input. This pin is an
active-low Reset to the device.
AV
DD 25 28 31 17 P — Positive supply for analog modules. This
pin must be connected at all times.
AV
SS 24 27 30 16 P — Ground reference for analog modules
V
DD 10 13 5, 13, 14,
23
28, 40 P — Positive supply for peripheral logic and
I/O pins
V
CAP 17 20 22 7 P — CPU logic filter capacitor connection
V
SS 5, 16 8, 19 6, 12, 21 6, 29, 39 P — Ground reference for logic and I/O pins.
This pin must be connected at all times.
V
REF+ 27 2 33 19 I Analog Analog voltage reference (high) input
VREF- 28 3 34 20 I Analog Analog voltage reference (low) input
TABLE 1-1: PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
(1)
Pin
Type
Buffer
Type
Description
28-pin
QFN
28-pin
SSOP/
SPDIP/
SOIC
36-pin
VTLA
44-pin
QFN/
TQFP/
VTLA
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 — = N/A
Note 1: Pin numbers are provided for reference only. See the “Pin Diagrams” section for device pin availability.
2: Pin number for PIC32MX1XX devices only.
3: Pin number for PIC32MX2XX devices only.