PIC32MX1XX/2XX
TABLE 1-1:
PINOUT I/O DESCRIPTIONS
Pin Number
(1)
Pin Name
28-pin
QFN
27
28
1
2
3
4
—
—
—
23
22
21
20
(2)
6
28-pin
SSOP/
SPDIP/
SOIC
2
3
4
5
6
7
—
—
—
26
25
24
23
(2)
9
36-pin
VTLA
33
34
35
36
1
2
3
4
—
29
28
27
26
(2)
11
(3)
7
44-pin
QFN/
TQFP/
VTLA
19
20
21
22
23
24
25
26
27
15
14
11
10
(2)
36
(3)
30
Pin
Type
Buffer
Type
Description
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AN8
AN9
AN10
AN11
AN12
CLKI
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog input channels.
ST/CMOS External clock source input. Always
associated with OSC1 pin function.
CLKO
7
10
8
31
O
—
Oscillator crystal output. Connects to
crystal or resonator in Crystal Oscillator
mode. Optionally functions as CLKO in
RC and EC modes. Always associated
with OSC2 pin function.
OSC1
6
9
7
30
I
ST/CMOS Oscillator crystal input. ST buffer when
configured in RC mode; CMOS
otherwise.
OSC2
7
10
8
31
I/O
—
Oscillator crystal output. Connects to
crystal or resonator in Crystal Oscillator
mode. Optionally functions as CLKO in
RC and EC modes.
SOSCI
8
11
9
33
I
ST/CMOS 32.768 kHz low-power oscillator crystal
input; CMOS otherwise.
SOSCO
9
12
10
34
O
—
32.768 kHz low-power oscillator crystal
output.
REFCLKI
PPS
PPS
PPS
PPS
I
ST
Reference Input Clock
REFCLKO
PPS
PPS
PPS
PPS
O
—
Reference Output Clock
IC1
PPS
PPS
PPS
PPS
I
ST
Capture Inputs 1-5
IC2
PPS
PPS
PPS
PPS
I
ST
IC3
PPS
PPS
PPS
PPS
I
ST
IC4
PPS
PPS
PPS
PPS
I
ST
IC5
PPS
PPS
PPS
PPS
I
ST
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
section for device pin availability.
2:
Pin number for PIC32MX1XX devices only.
3:
Pin number for PIC32MX2XX devices only.
DS61168D-page 20
Preliminary
©
2011-2012 Microchip Technology Inc.
MICROCHIP [ MICROCHIP TECHNOLOGY ]
