PIC32MX1XX Datasheet, PDF (26/320 Pages) Microchip Technology – 32-bit Microcontrollers (up to 128 KB Flash and 32 KB SRAM) with Audio and Graphics Interfaces, USB, and Advanced Analog

PIC32MX1XX/2XX
TABLE 1-1:
PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Number⁽¹⁾
Pin Name _28-pin
QFN
28-pin
SSOP/
SPDIP/
SOIC
36-pin
VTLA
44-pin
QFN/
TQFP/
VTLA
Pin
Type
Buffer
Type
Description
MCLR
AVDD
AVSS
VDD
VCAP
VSS
VREF+
VREF-
Legend:
Note 1:
2:
3:
26
1
32
18
I/P
ST Master Clear (Reset) input. This pin is an
active-low Reset to the device.
25
28
31
17
P
— Positive supply for analog modules. This
pin must be connected at all times.
24
27
30
16
P
— Ground reference for analog modules
10
13 5, 13, 14, 28, 40 P
— Positive supply for peripheral logic and
23
I/O pins
17
20
22
7
P
— CPU logic filter capacitor connection
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.
27
2
33
19
I Analog Analog voltage reference (high) input
28
3
34
20
I Analog Analog voltage reference (low) input
CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels
TTL = TTL input buffer
Analog = Analog input
O = Output
PPS = Peripheral Pin Select
P = Power
I = Input
— = N/A
Pin numbers are provided for reference only. See the “Pin Diagrams” section for device pin availability.
Pin number for PIC32MX1XX devices only.
Pin number for PIC32MX2XX devices only.
DS61168D-page 26
Preliminary
© 2011-2012 Microchip Technology Inc.